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Dr. Jacinto Benhadi-Marín
Centro de Investigação de Montanha (CIMO), ESA, Instituto Politécnico de Bragança, Campus de Santa Apolónia, 5300-253 Bragança, Portugal

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0 Biostatistics
0 Modeling
0 agroecosystems
0 Functional ecology
0 Bioindicators

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Original paper
Published: 29 August 2021 in Arthropod-Plant Interactions
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Trioza erytreae, the African citrus psyllid, is a vector of Candidatus Liberibacter spp., the causal agent of the citrus greening disease or Huanglongbing (HLB). The spread of the vector throughout the Iberian Peninsula has been continuous since its introduction in mainland Spain in 2014. The patterns of host preference and feeding behaviour largely depend on olfactory cues. Understanding these patterns is crucial to prevent further dispersion and develop management measures against the pest. In this work, a series of settlement, olfactometric, probing, and feeding experiments were conducted to assess the host preference of T. erytreae for lemon or bitter orange plants. The settlement experiment provided evidence on the preference of both sexes of T. erytreae for lemon plants, whereas males did not show any significant choice pattern in the case of the olfactometric assays. Forty EPG variables were analysed to describe and compare the probing and feeding behaviour of T. erytreae on lemon and bitter orange plants. The EPG variables indicated that T. erytreae has some difficulties in accepting the phloem of bitter orange plants. This suggests that lemon plants would be a better source for the acquisition of Candidatus Liberibacter asiaticus (CLas) by T. erytreae since the psyllid spends much longer periods feeding from the phloem on lemon than on bitter orange.

ACS Style

Jacinto Benhadi-Marín; Elisa Garzo; Aránzazu Moreno; José Alberto Pereira; Alberto Fereres. Host plant preference of Trioza erytreae on lemon and bitter orange plants. Arthropod-Plant Interactions 2021, 1 -10.

AMA Style

Jacinto Benhadi-Marín, Elisa Garzo, Aránzazu Moreno, José Alberto Pereira, Alberto Fereres. Host plant preference of Trioza erytreae on lemon and bitter orange plants. Arthropod-Plant Interactions. 2021; ():1-10.

Chicago/Turabian Style

Jacinto Benhadi-Marín; Elisa Garzo; Aránzazu Moreno; José Alberto Pereira; Alberto Fereres. 2021. "Host plant preference of Trioza erytreae on lemon and bitter orange plants." Arthropod-Plant Interactions , no. : 1-10.

Journal article
Published: 15 July 2021 in Applied Sciences
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Sisal, Agave sisalana Perrine, is cultivated for fiber production, with Brazil being its leading producer. Nowadays, given the increasing interest in organic products, the market for sisal could become an economical alternative for rural areas with low economic inputs. However, sisal is threatened by different pests and diseases. Conservation biological control could contribute to the limitation of these plant enemies, but this agroecosystem is poorly known. In this context, we aimed: (i) to identify the diversity of plants and arthropods and their potential relations, (ii) to study the spatial patterns of arthropods and plants in function of the proximity to the margin of the field, and (iii) to determine the minimum sampling effort needed to record the occurring biodiversity in a sisal crop. Arthropods were sampled using pit-fall traps located close to the border and in the inner plant of the sisal crop from June to September. Simultaneously, plant species and their abundance in quadrats next to each pitfall were recorded. Diversity indexes were calculated to describe the biodiversity, a redundancy analysis was performed to analyze relations among arthropods and plants and the spatial distribution was evaluated using the non-parametric Wilcoxon rank-sum test. The redundancy analysis and the Wilcoxon test revealed a temporal and spatial distribution of arthropods and plants during the period of study. Results indicated (i) similar temporal diversity patterns from June to July for both plants and arthropods, with a maximum in July, whereas in September the biodiversity increased for arthropods and decreased for plants; (ii) the importance of particular plant species for Collembola; and (iii) that arthropods seem to colonize the sisal crop from the fields beyond the crop during the rainy season. These results provide new information about arthropods and plant biodiversity from an agroecosystem in a semi-arid region and raise further queries about the management of sisal crops.

ACS Style

Sara Da Silva Brito; María Villa; Jacinto Benhadi-Marín; Franceli da Silva; José Pereira. The Temporal and Spatial Variation of Arthropod Associations Inhabiting Non-Crop Vegetation in a Sisal Crop, Agave sisalana in the Caatinga Biome. Applied Sciences 2021, 11, 6498 .

AMA Style

Sara Da Silva Brito, María Villa, Jacinto Benhadi-Marín, Franceli da Silva, José Pereira. The Temporal and Spatial Variation of Arthropod Associations Inhabiting Non-Crop Vegetation in a Sisal Crop, Agave sisalana in the Caatinga Biome. Applied Sciences. 2021; 11 (14):6498.

Chicago/Turabian Style

Sara Da Silva Brito; María Villa; Jacinto Benhadi-Marín; Franceli da Silva; José Pereira. 2021. "The Temporal and Spatial Variation of Arthropod Associations Inhabiting Non-Crop Vegetation in a Sisal Crop, Agave sisalana in the Caatinga Biome." Applied Sciences 11, no. 14: 6498.

Original contribution
Published: 15 February 2021 in Journal of Applied Entomology
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Developing efficient sampling protocols is essential to monitor crop pests. One vector of the citrus disease HLB, the African citrus psyllid Trioza erytreae Del Guercio, 1918 (Hemiptera: Triozidae), currently threatens the lemon industry throughout the Mediterranean region. In this work, a pool of sampling methods devoted to monitoring the population of T. erytreae was compared, its spatial distribution in the orchard was assessed, and the minimum sampling effort for the best sampling method was estimated. Three lemon orchards in North‐western Portugal were sampled for one year using two types of yellow sticky traps (standard yellow and fluorescent Saturn yellow), B‐vac sampling and sweep net sampling. The method that best performed, in terms of cost‐efficiency, was the yellow sticky traps. The two colours of the sticky traps tested did not yield a significantly different number of catches. The spatial distribution throughout the orchards was found to be aggregated towards the borders. A minimum of three sticky traps per hectare was found to be enough to estimate the population at 90% accuracy for the mean during the outbreak. These results should help to monitor and anticipate outbreaks that may even colonize neighbour orchards. Studies on the local dispersion patterns of T. erytreae throughout the orchard are mandatory to further refine and optimize efficient monitoring protocols.

ACS Style

Jacinto Benhadi‐Marín; Luís F. Pereira; Isabel Rodrigues; Alberto Fereres; José Alberto Pereira. Sampling and distribution pattern of Trioza erytreae Del Guercio, 1918 (Hemiptera: Triozidae) in citrus orchard. Journal of Applied Entomology 2021, 145, 601 -611.

AMA Style

Jacinto Benhadi‐Marín, Luís F. Pereira, Isabel Rodrigues, Alberto Fereres, José Alberto Pereira. Sampling and distribution pattern of Trioza erytreae Del Guercio, 1918 (Hemiptera: Triozidae) in citrus orchard. Journal of Applied Entomology. 2021; 145 (6):601-611.

Chicago/Turabian Style

Jacinto Benhadi‐Marín; Luís F. Pereira; Isabel Rodrigues; Alberto Fereres; José Alberto Pereira. 2021. "Sampling and distribution pattern of Trioza erytreae Del Guercio, 1918 (Hemiptera: Triozidae) in citrus orchard." Journal of Applied Entomology 145, no. 6: 601-611.

Abstract
Published: 03 December 2020 in Biology and Life Sciences Forum
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The “citrus greening disease” or huanglongbing is caused by the Gram-negative bacterium Candidatus liberibacter spp. One vector of HLB, the African citrus psyllid Trioza erytreae (del Guercio, 1918), was recorded for the first time in 2014 in mainland Spain and since then it has spread throughout the Iberian Peninsula. Measures against T. erytreae include chemical treatments and quarantine although eradication programmes have been of limited success or even failed. The biological control of T. erytreae has been little developed yet. Among natural enemies, spiders may encompass a promising group of predators. The objective of this work was to assess the potential of spiders as natural enemies of T. erytreae. A Citrus limon orchard was selected in northwestern Portugal in the area colonized by T. erytreae. A total of 100 webs (50 above and 50 below 1.5 m) were visually inspected throughout the orchard in August 2020. The family of the web-builder, web size, number of adults of T. erytreae captured by each web, and the temperature and humidity were registered. Temperature and humidity did not significantly differ between the two vertical strata. Web size was significantly higher in the lower strata whereas the number of captured adults of T. erytreae was significantly higher in the upper strata. The dominant family in the upper strata was Theridiidae corresponding with the most successful webs capturing adults of T. erytreae. Our results suggest that web architecture was the only factor driving the number of captured adults of T. erytreae. Thus, space web builders could be the most successful natural enemies of T. erytreae among aerial web builders.

ACS Style

Jacinto Benhadi-Marín; Diogo Oliveira; Alberto Fereres; José Pereira. Observations on the Potential of Spiders as Natural Enemies of Trioza erytreae (del Guercio, 1918; Hemiptera: Triozidae) in the Citrus Agroecosystem in Portugal. Biology and Life Sciences Forum 2020, 4, 10 .

AMA Style

Jacinto Benhadi-Marín, Diogo Oliveira, Alberto Fereres, José Pereira. Observations on the Potential of Spiders as Natural Enemies of Trioza erytreae (del Guercio, 1918; Hemiptera: Triozidae) in the Citrus Agroecosystem in Portugal. Biology and Life Sciences Forum. 2020; 4 (1):10.

Chicago/Turabian Style

Jacinto Benhadi-Marín; Diogo Oliveira; Alberto Fereres; José Pereira. 2020. "Observations on the Potential of Spiders as Natural Enemies of Trioza erytreae (del Guercio, 1918; Hemiptera: Triozidae) in the Citrus Agroecosystem in Portugal." Biology and Life Sciences Forum 4, no. 1: 10.

Journal article
Published: 17 October 2020 in Fungal Ecology
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The factors shaping endophytic fungal assemblages in reproductive organs have been less evaluated than in vegetative organs. Here, the temporal dynamics of fungal endophytes in inflorescences and fruits of olive tree cultivars with contrasting anthracnose susceptibilities was assessed, starting before flowers open until fruit ripening. Fungal diversity assessed by rRNA sequencing of cultivable isolates revealed a higher richness and abundance of endophytes in inflorescences than in fruits. Endophytes from Sordariomycetes were dominant in inflorescences, while in fruits they were from Dothideomycetes. The overall assemblages of inflorescences and fruits were shaped mainly by the plant organ, followed by the phenological stage and lastly, by the plant cultivar. The importance of cultivar as a shaping factor varied according to the plant organ, being only significant in inflorescence-associated endophytes. A set of fungal taxa were positively associated with a particular cultivar and phenological stage, likely contributing to the plant anthracnose resistance.

ACS Style

Fátima Martins; Cristina Cameirão; Diogo Mina; Jacinto Benhadi-Marín; José Alberto Pereira; Paula Baptista. Endophytic fungal community succession in reproductive organs of two olive tree cultivars with contrasting anthracnose susceptibilities. Fungal Ecology 2020, 49, 101003 .

AMA Style

Fátima Martins, Cristina Cameirão, Diogo Mina, Jacinto Benhadi-Marín, José Alberto Pereira, Paula Baptista. Endophytic fungal community succession in reproductive organs of two olive tree cultivars with contrasting anthracnose susceptibilities. Fungal Ecology. 2020; 49 ():101003.

Chicago/Turabian Style

Fátima Martins; Cristina Cameirão; Diogo Mina; Jacinto Benhadi-Marín; José Alberto Pereira; Paula Baptista. 2020. "Endophytic fungal community succession in reproductive organs of two olive tree cultivars with contrasting anthracnose susceptibilities." Fungal Ecology 49, no. : 101003.

Journal article
Published: 04 October 2020 in Agronomy
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Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae) is a voracious predator of soft-bodied insects such as juveniles of scale insects and the black scale Saissetia oleae (Olivier) (Hemiptera: Coccidae) is an important pest of several crops, such as the olive tree. However, the predatory efficiency of C. carnea on S. oleae has been unstudied yet. The present work aimed to study the functional response of larvae of C. carnea fed on S. oleae nymphs. In a controlled laboratory environment, increasing densities of S. oleae second and third nymph stages were offered to newly emerged specimens of the three larvae instars of C. carnea. After 24 h, the number of killed S. oleae was recorded and the functional response of C. carnea was assessed. The three larval stages of C. carnea displayed a type-II functional response, i.e., killed prey increased with higher S. oleae densities up to a maximum limited by the handling time. The attack rate did not significantly differ among the three instars while the maximum attack rate was significantly higher for the third instar. The handling time of the first larval instar of C. carnea was higher than that of the third instar. Our results demonstrated that S. oleae could act as a food resource for all larval stages of C. carnea. Furthermore, the third larval stage of the predator was the most efficient in reducing S. oleae densities. These results suggest that C. carnea larvae could contribute to S. oleae control in sustainable agriculture.

ACS Style

Abdelkader Meni Mahzoum; María Villa; Jacinto Benhadi-Marín; José Alberto Pereira. Functional Response of Chrysoperla carnea (Neuroptera: Chrysopidae) Larvae on Saissetia oleae (Olivier) (Hemiptera: Coccidae): Implications for Biological Control. Agronomy 2020, 10, 1511 .

AMA Style

Abdelkader Meni Mahzoum, María Villa, Jacinto Benhadi-Marín, José Alberto Pereira. Functional Response of Chrysoperla carnea (Neuroptera: Chrysopidae) Larvae on Saissetia oleae (Olivier) (Hemiptera: Coccidae): Implications for Biological Control. Agronomy. 2020; 10 (10):1511.

Chicago/Turabian Style

Abdelkader Meni Mahzoum; María Villa; Jacinto Benhadi-Marín; José Alberto Pereira. 2020. "Functional Response of Chrysoperla carnea (Neuroptera: Chrysopidae) Larvae on Saissetia oleae (Olivier) (Hemiptera: Coccidae): Implications for Biological Control." Agronomy 10, no. 10: 1511.

Journal article
Published: 27 August 2020 in Insects
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Assessing the potential of spread of an introduced crop pest in a new country is crucial to anticipating its effects on crop production and deriving phytosanitary management toward reducing potential negative effects. Citrus production represents a key agricultural activity throughout the Mediterranean basin. The African citrus psyllid Trioza erytreae (del Guercio, 1918) (Hemiptera: Triozidae) is a natural vector of Candidatusliberibacter spp., the causal agent of the harmful disease huanglongbing (HLB) or “citrus greening disease”. In continental Europe, T. erytreae was detected for the first time in northwestern Spain in 2014. Pest risk analysis (PRA) approaches, such as modeling, consider both time and space components to predict the potential distribution of pests in a given region. In this work, we aim to parameterize a model able to predict the expected spread of T. erytreae in the Iberian Peninsula using three types of PRA models. The kernel model with two hypothetical entry points accurately predicted the distribution of T. erytreae with respect to latitude. This model should be further refined and validated to support decision-makers in the adoption of timely and successful management and regulatory measures against the spread of T. erytreae to other citrus-producing areas in Europe.

ACS Style

Jacinto Benhadi-Marín; Alberto Fereres; José Alberto Pereira. A Model to Predict the Expansion of Trioza erytreae throughout the Iberian Peninsula Using a Pest Risk Analysis Approach. Insects 2020, 11, 576 .

AMA Style

Jacinto Benhadi-Marín, Alberto Fereres, José Alberto Pereira. A Model to Predict the Expansion of Trioza erytreae throughout the Iberian Peninsula Using a Pest Risk Analysis Approach. Insects. 2020; 11 (9):576.

Chicago/Turabian Style

Jacinto Benhadi-Marín; Alberto Fereres; José Alberto Pereira. 2020. "A Model to Predict the Expansion of Trioza erytreae throughout the Iberian Peninsula Using a Pest Risk Analysis Approach." Insects 11, no. 9: 576.

Original article
Published: 18 February 2020 in Annals of Applied Biology
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ACS Style

Jacinto Benhadi‐Marín; Sónia A.P. Santos; Paula Baptista; José Alberto Pereira. Distribution of Bactrocera oleae (Rossi, 1790) throughout the Iberian Peninsula based on a maximum entropy modelling approach. Annals of Applied Biology 2020, 177, 112 -120.

AMA Style

Jacinto Benhadi‐Marín, Sónia A.P. Santos, Paula Baptista, José Alberto Pereira. Distribution of Bactrocera oleae (Rossi, 1790) throughout the Iberian Peninsula based on a maximum entropy modelling approach. Annals of Applied Biology. 2020; 177 (1):112-120.

Chicago/Turabian Style

Jacinto Benhadi‐Marín; Sónia A.P. Santos; Paula Baptista; José Alberto Pereira. 2020. "Distribution of Bactrocera oleae (Rossi, 1790) throughout the Iberian Peninsula based on a maximum entropy modelling approach." Annals of Applied Biology 177, no. 1: 112-120.

Protocol
Published: 03 February 2020 in Insects
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The olive grove is a key landscape across the Mediterranean basin. This agroecosystem is threatened by Xylella fastidiosa, the causal agent of the olive tree quick decline syndrome, Philaenus spumarius being the main vector. A way to limit pest populations relies on the use of biological control agents such as arthropods. Among them, spiders are generalist predators with different hunting strategies that feed mostly on insects and can contribute to limit pests. In this work, field and laboratory data were used to provide a protocol aiming to facilitate the selection of species of spiders among different guilds that could represent potential natural enemies of P. spumarius. Sampling of spiders was conducted in olive groves in northeastern Portugal. Two species, namely the orb-weaver Araniella cucurbitina and the ambusher Synema globosum, were selected according to the dominant guilds of spiders inhabiting the olive crop. We tested the differences of potential predatory efficiency using classical functional response tests with P. spumarius as prey. A type-II functional response was found for A. cucurbitina, whereas a type-I response was found for S. globosum. This difference uncovers a different potential efficiency among the two species as natural enemies of P. spumarius with relevant implications at high prey density in the field. A conceptual workflow to follow the fieldwork and selection of species for further work (i.e., laboratory assays) is provided and discussed. Standardized methods regarding the assessment of the suitability and efficiency of potential natural enemies are essential for the integration of results at different geographical extents and crops. Selecting functional counterparts such as different species of predators occurring at different locations that use the same prey (e.g., a pest) in the same way (e.g., hunting strategy) would facilitate developing biological control schemes.

ACS Style

Jacinto Benhadi-Marín; María Villa; Luís F. Pereira; Isabel Rodrigues; Marina Morente; Paula Baptista; José Alberto Pereira. A Guild-Based Protocol to Target Potential Natural Enemies of Philaenus spumarius (Hemiptera: Aphrophoridae), a Vector of Xylella fastidiosa (Xanthomonadaceae): A Case Study with Spiders in the Olive Grove. Insects 2020, 11, 100 .

AMA Style

Jacinto Benhadi-Marín, María Villa, Luís F. Pereira, Isabel Rodrigues, Marina Morente, Paula Baptista, José Alberto Pereira. A Guild-Based Protocol to Target Potential Natural Enemies of Philaenus spumarius (Hemiptera: Aphrophoridae), a Vector of Xylella fastidiosa (Xanthomonadaceae): A Case Study with Spiders in the Olive Grove. Insects. 2020; 11 (2):100.

Chicago/Turabian Style

Jacinto Benhadi-Marín; María Villa; Luís F. Pereira; Isabel Rodrigues; Marina Morente; Paula Baptista; José Alberto Pereira. 2020. "A Guild-Based Protocol to Target Potential Natural Enemies of Philaenus spumarius (Hemiptera: Aphrophoridae), a Vector of Xylella fastidiosa (Xanthomonadaceae): A Case Study with Spiders in the Olive Grove." Insects 11, no. 2: 100.

Journal article
Published: 06 August 2019 in Agricultural and Forest Entomology
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ACS Style

Jacinto Benhadi‐Marín; José A. Pereira; Jose Paulo Sousa; Sónia Santos. Distribution of the spider community in the olive grove agroecosystem (Portugal): potential bioindicators. Agricultural and Forest Entomology 2019, 22, 10 -19.

AMA Style

Jacinto Benhadi‐Marín, José A. Pereira, Jose Paulo Sousa, Sónia Santos. Distribution of the spider community in the olive grove agroecosystem (Portugal): potential bioindicators. Agricultural and Forest Entomology. 2019; 22 (1):10-19.

Chicago/Turabian Style

Jacinto Benhadi‐Marín; José A. Pereira; Jose Paulo Sousa; Sónia Santos. 2019. "Distribution of the spider community in the olive grove agroecosystem (Portugal): potential bioindicators." Agricultural and Forest Entomology 22, no. 1: 10-19.

Journal article
Published: 29 July 2019 in Annals of Applied Biology
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ACS Style

Jacinto Benhadi‐Marín; José A. Pereira; Jose Paulo Sousa; Sónia Santos. Functional responses of three guilds of spiders: Comparing single‐ and multiprey approaches. Annals of Applied Biology 2019, 175, 202 -214.

AMA Style

Jacinto Benhadi‐Marín, José A. Pereira, Jose Paulo Sousa, Sónia Santos. Functional responses of three guilds of spiders: Comparing single‐ and multiprey approaches. Annals of Applied Biology. 2019; 175 (2):202-214.

Chicago/Turabian Style

Jacinto Benhadi‐Marín; José A. Pereira; Jose Paulo Sousa; Sónia Santos. 2019. "Functional responses of three guilds of spiders: Comparing single‐ and multiprey approaches." Annals of Applied Biology 175, no. 2: 202-214.

Journal article
Published: 20 January 2019 in Journal of Biological Education
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ACS Style

Jacinto Benhadi-Marín; José Alberto Pereira; José Paulo Sousa; Sónia A.P. Santos. EcoPred: an educational individual based model to explain biological control, a case study within an arable land. Journal of Biological Education 2019, 54, 271 -286.

AMA Style

Jacinto Benhadi-Marín, José Alberto Pereira, José Paulo Sousa, Sónia A.P. Santos. EcoPred: an educational individual based model to explain biological control, a case study within an arable land. Journal of Biological Education. 2019; 54 (3):271-286.

Chicago/Turabian Style

Jacinto Benhadi-Marín; José Alberto Pereira; José Paulo Sousa; Sónia A.P. Santos. 2019. "EcoPred: an educational individual based model to explain biological control, a case study within an arable land." Journal of Biological Education 54, no. 3: 271-286.

Journal article
Published: 25 October 2018 in Biological Control
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Spiders are generalist predators adapted to consume a wide range of prey although their ability to exploit non-prey foods such as pollen, nectar, and honeydew has been referred but less studied. In this work, we investigated the effect of different non-prey food items (Glucose at 0.5 M; aphid honeydew; black scale honeydew; a mixture of glucose 0.5 M, phenylalanine 0.1 mM, proline 0.1 mM, and tryptophan 0.1 mM; honey at 10%, and pollen at 10%) on the survival of immature spiders of two functional groups represented by Haplodrassus rufipes (ground hunters) and Synema globosum (ambushers), and their feeding choices, in laboratory experiments. The overall survival of both species fed on non-prey foods significantly increased compared to individuals fed on water. The black-scale honeydew was the best food for H. rufipes increasing longevity up to 117 days. The highest survival reached by S. globosum was observed when fed on a mixture of glucose 0.5 M and three amino acids. When different non-prey food items were offered together, the exploring rate was significantly higher for H. rufipes than for S. globosum. H. rufipes chose to feed on honey whereas S. globosum chose the mixture treatment. The most chosen food items corresponded with those that provided the highest longevities in both species. Our results suggest that spiders could search, recognize and actively select the most beneficial non-prey food. Habitat management practices such as maintaining weed strips in the crop may provide these valuable supplementary food resources within agroecosystems contributing for biological pest control.

ACS Style

Jacinto Benhadi-Marín; José Alberto Pereira; José Paulo Sousa; Sónia A.P. Santos. Spiders actively choose and feed on nutritious non-prey food resources. Biological Control 2018, 129, 187 -194.

AMA Style

Jacinto Benhadi-Marín, José Alberto Pereira, José Paulo Sousa, Sónia A.P. Santos. Spiders actively choose and feed on nutritious non-prey food resources. Biological Control. 2018; 129 ():187-194.

Chicago/Turabian Style

Jacinto Benhadi-Marín; José Alberto Pereira; José Paulo Sousa; Sónia A.P. Santos. 2018. "Spiders actively choose and feed on nutritious non-prey food resources." Biological Control 129, no. : 187-194.

Journal article
Published: 07 August 2018 in European Journal of Entomology
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ACS Style

Jacinto Benhadi-Marin; Jose A. PEREIRA; Jose A. BARRIENTOS; Jose Paulo Sousa; Sónia Santos. Stones on the ground in olive groves promote the presence of spiders (Araneae). European Journal of Entomology 2018, 115, 372 -379.

AMA Style

Jacinto Benhadi-Marin, Jose A. PEREIRA, Jose A. BARRIENTOS, Jose Paulo Sousa, Sónia Santos. Stones on the ground in olive groves promote the presence of spiders (Araneae). European Journal of Entomology. 2018; 115 (1):372-379.

Chicago/Turabian Style

Jacinto Benhadi-Marin; Jose A. PEREIRA; Jose A. BARRIENTOS; Jose Paulo Sousa; Sónia Santos. 2018. "Stones on the ground in olive groves promote the presence of spiders (Araneae)." European Journal of Entomology 115, no. 1: 372-379.

Journal article
Published: 01 August 2018 in Biological Control
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ACS Style

Jacinto Benhadi-Marín; José Alberto Pereira; David Barreales; José Paulo Sousa; Sónia A.P. Santos. A simulation-based method to compare the pest suppression potential of predators: A case study with spiders. Biological Control 2018, 123, 87 -96.

AMA Style

Jacinto Benhadi-Marín, José Alberto Pereira, David Barreales, José Paulo Sousa, Sónia A.P. Santos. A simulation-based method to compare the pest suppression potential of predators: A case study with spiders. Biological Control. 2018; 123 ():87-96.

Chicago/Turabian Style

Jacinto Benhadi-Marín; José Alberto Pereira; David Barreales; José Paulo Sousa; Sónia A.P. Santos. 2018. "A simulation-based method to compare the pest suppression potential of predators: A case study with spiders." Biological Control 123, no. : 87-96.

Commentary
Published: 01 August 2018 in Biodiversity and Conservation
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Research on ecology commonly involves the need to face datasets that contain extreme or unusual observations. The presence of outliers during data analysis has been of concern for researchers generating a lot of discussion on different methods and strategies on how to deal with them and became a recurrent issue of interest in debate forums. Systematic elimination or data transformation could lead to ignore important ecological processes and draw wrong conclusions. The importance of coping with extreme observations during data analysis in ecology becomes clear in the context of relevant environmental aspects such as impact assessment, pest control, and biodiversity conservation. In those contexts, misinterpretation of results due to an incorrect processing of outliers may difficult decision making or even lead to failing to adopt the best management program. In this work, I summarized different approaches to deal with extreme observations such as outlier labeling, accommodation, and identification, using calculation and visualization methods, and provide a conceptual workflow as a general overview for data analysis.

ACS Style

Jacinto Benhadi-Marín. A conceptual framework to deal with outliers in ecology. Biodiversity and Conservation 2018, 27, 3295 -3300.

AMA Style

Jacinto Benhadi-Marín. A conceptual framework to deal with outliers in ecology. Biodiversity and Conservation. 2018; 27 (12):3295-3300.

Chicago/Turabian Style

Jacinto Benhadi-Marín. 2018. "A conceptual framework to deal with outliers in ecology." Biodiversity and Conservation 27, no. 12: 3295-3300.

Journal article
Published: 01 June 2016 in Ecology
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Farmland is a major land cover type in Europe and Africa and provides habitat for numerous species. The severe decline in farmland biodiversity of the last decades has been attributed to changes in farming practices, and organic and low-input farming are assumed to mitigate detrimental effects of agricultural intensification on biodiversity. Since the farm enterprise is the primary unit of agricultural decision making, management-related effects at the field scale need to be assessed at the farm level. Therefore, in this study, data were collected on habitat characteristics, vascular plant, earthworm, spider, and bee communities and on the corresponding agricultural management in 237 farms in 13 European and two African regions. In 15 environmental and agricultural homogeneous regions, 6–20 farms with the same farm type (e.g., arable crops, grassland, or specific permanent crops) were selected. If available, an equal number of organic and non-organic farms were randomly selected. Alternatively, farms were sampled along a gradient of management intensity. For all selected farms, the entire farmed area was mapped, which resulted in total in the mapping of 11 338 units attributed to 194 standardized habitat types, provided together with additional descriptors. On each farm, one site per available habitat type was randomly selected for species diversity investigations. Species were sampled on 2115 sites and identified to the species level by expert taxonomists. Species lists and abundance estimates are provided for each site and sampling date (one date for plants and earthworms, three dates for spiders and bees). In addition, farmers provided information about their management practices in face-to-face interviews following a standardized questionnaire. Farm management indicators for each farm are available (e.g., nitrogen input, pesticide applications, or energy input). Analyses revealed a positive effect of unproductive areas and a negative effect of intensive management on biodiversity. Communities of the four taxonomic groups strongly differed in their response to habitat characteristics, agricultural management, and regional circumstances. The data has potential for further insights into interactions of farmland biodiversity and agricultural management at site, farm, and regional scale.

ACS Style

Gisela Lüscher; Youssef Ammari; Aljona Andriets; Siyka Angelova; Michaela Arndorfer; Debra Bailey; Katalin Balázs; Marion Bogers; Robert G. H. Bunce; Jean-Philippe Choisis; Peter Dennis; Mario Díaz; Tetyana Dyman; Sebastian Eiter; Wendy Fjellstad; Mariecia Fraser; Jürgen K. Friedel; Salah Garchi; Ilse R. Geijzendorffer; Tiziano Gomiero; Guillermo González-Bornay; Yana Guteva; Felix Herzog; Philippe Jeanneret; Rob H. G. Jongman; Max Kainz; Norman Kwikiriza; María Lourdes López Díaz; Gerardo Moreno; Pip Nicholas-Davies; Charles Nkwiine; Julius Opio; Maurizio G. Paoletti; László Podmaniczky; Philippe Pointereau; Fernando Pulido; Jean-Pierre Sarthou; Manuel K. Schneider; Tahar Sghaier; Norman Siebrecht; Siyka Stoyanova; Sebastian Wolfrum; Sergiy Yashchenko; Harald Albrecht; András Báldi; Márta Belényesi; Jacinto Benhadi-Marín; Theo Blick; Serge Buholzer; Csaba Centeri; Norma Choisis; Gérard Cuendet; Hendrika J. De Lange; Sylvain Déjean; Christo Deltshev; Darío J. Díaz Cosín; Wenche Dramstad; Zoltán Elek; Gunnar Engan; Konstantin Evtushenko; Eszter Falusi; Oliver-D. Finch; Thomas Frank; Federico Gavinelli; David Genoud; Phillipa Gillingham; Viktor Grónás; Mónica Gutiérrez; Werner Häusler; Xaver Heer; Thomas Hübner; Marco Isaia; Gergely Jerkovich; Juan B. Jesus; Esezah Kakudidi; Eszter Kelemen; Nóra Koncz; Eszter Kovacs; Anikó Kovács-Hostyánszki; Luisa Last; Toshko Ljubomirov; Klaus Mandery; Josef Mayr; Atle Mjelde; Christoph Muster; Juri Nascimbene; Johann Neumayer; Frode Ødegaard; Francisco Javier Ortiz Sánchez; Marie-Louise Oschatz; Susanne Papaja-Hülsbergen; Mauro Paschetta; Mark Pavett; Céline Pelosi; Károly Penksza; Reidun Pommeresche; Victor Popov; Vladimir G. Radchenko; Nina Richner; Susanne Riedel; John Scullion; Daniele Sommaggio; Ottó Szalkovszki; Erich Szerencsits; Dolores Trigo; Jim Vale; Ruud van Kats; Angel Vasilev; Andrew Whittington; Jerylee Wilkes-Allemann; Tommaso Zanetti. Farmland biodiversity and agricultural management on 237 farms in 13 European and two African regions. Ecology 2016, 97, 1625 -1625.

AMA Style

Gisela Lüscher, Youssef Ammari, Aljona Andriets, Siyka Angelova, Michaela Arndorfer, Debra Bailey, Katalin Balázs, Marion Bogers, Robert G. H. Bunce, Jean-Philippe Choisis, Peter Dennis, Mario Díaz, Tetyana Dyman, Sebastian Eiter, Wendy Fjellstad, Mariecia Fraser, Jürgen K. Friedel, Salah Garchi, Ilse R. Geijzendorffer, Tiziano Gomiero, Guillermo González-Bornay, Yana Guteva, Felix Herzog, Philippe Jeanneret, Rob H. G. Jongman, Max Kainz, Norman Kwikiriza, María Lourdes López Díaz, Gerardo Moreno, Pip Nicholas-Davies, Charles Nkwiine, Julius Opio, Maurizio G. Paoletti, László Podmaniczky, Philippe Pointereau, Fernando Pulido, Jean-Pierre Sarthou, Manuel K. Schneider, Tahar Sghaier, Norman Siebrecht, Siyka Stoyanova, Sebastian Wolfrum, Sergiy Yashchenko, Harald Albrecht, András Báldi, Márta Belényesi, Jacinto Benhadi-Marín, Theo Blick, Serge Buholzer, Csaba Centeri, Norma Choisis, Gérard Cuendet, Hendrika J. De Lange, Sylvain Déjean, Christo Deltshev, Darío J. Díaz Cosín, Wenche Dramstad, Zoltán Elek, Gunnar Engan, Konstantin Evtushenko, Eszter Falusi, Oliver-D. Finch, Thomas Frank, Federico Gavinelli, David Genoud, Phillipa Gillingham, Viktor Grónás, Mónica Gutiérrez, Werner Häusler, Xaver Heer, Thomas Hübner, Marco Isaia, Gergely Jerkovich, Juan B. Jesus, Esezah Kakudidi, Eszter Kelemen, Nóra Koncz, Eszter Kovacs, Anikó Kovács-Hostyánszki, Luisa Last, Toshko Ljubomirov, Klaus Mandery, Josef Mayr, Atle Mjelde, Christoph Muster, Juri Nascimbene, Johann Neumayer, Frode Ødegaard, Francisco Javier Ortiz Sánchez, Marie-Louise Oschatz, Susanne Papaja-Hülsbergen, Mauro Paschetta, Mark Pavett, Céline Pelosi, Károly Penksza, Reidun Pommeresche, Victor Popov, Vladimir G. Radchenko, Nina Richner, Susanne Riedel, John Scullion, Daniele Sommaggio, Ottó Szalkovszki, Erich Szerencsits, Dolores Trigo, Jim Vale, Ruud van Kats, Angel Vasilev, Andrew Whittington, Jerylee Wilkes-Allemann, Tommaso Zanetti. Farmland biodiversity and agricultural management on 237 farms in 13 European and two African regions. Ecology. 2016; 97 (6):1625-1625.

Chicago/Turabian Style

Gisela Lüscher; Youssef Ammari; Aljona Andriets; Siyka Angelova; Michaela Arndorfer; Debra Bailey; Katalin Balázs; Marion Bogers; Robert G. H. Bunce; Jean-Philippe Choisis; Peter Dennis; Mario Díaz; Tetyana Dyman; Sebastian Eiter; Wendy Fjellstad; Mariecia Fraser; Jürgen K. Friedel; Salah Garchi; Ilse R. Geijzendorffer; Tiziano Gomiero; Guillermo González-Bornay; Yana Guteva; Felix Herzog; Philippe Jeanneret; Rob H. G. Jongman; Max Kainz; Norman Kwikiriza; María Lourdes López Díaz; Gerardo Moreno; Pip Nicholas-Davies; Charles Nkwiine; Julius Opio; Maurizio G. Paoletti; László Podmaniczky; Philippe Pointereau; Fernando Pulido; Jean-Pierre Sarthou; Manuel K. Schneider; Tahar Sghaier; Norman Siebrecht; Siyka Stoyanova; Sebastian Wolfrum; Sergiy Yashchenko; Harald Albrecht; András Báldi; Márta Belényesi; Jacinto Benhadi-Marín; Theo Blick; Serge Buholzer; Csaba Centeri; Norma Choisis; Gérard Cuendet; Hendrika J. De Lange; Sylvain Déjean; Christo Deltshev; Darío J. Díaz Cosín; Wenche Dramstad; Zoltán Elek; Gunnar Engan; Konstantin Evtushenko; Eszter Falusi; Oliver-D. Finch; Thomas Frank; Federico Gavinelli; David Genoud; Phillipa Gillingham; Viktor Grónás; Mónica Gutiérrez; Werner Häusler; Xaver Heer; Thomas Hübner; Marco Isaia; Gergely Jerkovich; Juan B. Jesus; Esezah Kakudidi; Eszter Kelemen; Nóra Koncz; Eszter Kovacs; Anikó Kovács-Hostyánszki; Luisa Last; Toshko Ljubomirov; Klaus Mandery; Josef Mayr; Atle Mjelde; Christoph Muster; Juri Nascimbene; Johann Neumayer; Frode Ødegaard; Francisco Javier Ortiz Sánchez; Marie-Louise Oschatz; Susanne Papaja-Hülsbergen; Mauro Paschetta; Mark Pavett; Céline Pelosi; Károly Penksza; Reidun Pommeresche; Victor Popov; Vladimir G. Radchenko; Nina Richner; Susanne Riedel; John Scullion; Daniele Sommaggio; Ottó Szalkovszki; Erich Szerencsits; Dolores Trigo; Jim Vale; Ruud van Kats; Angel Vasilev; Andrew Whittington; Jerylee Wilkes-Allemann; Tommaso Zanetti. 2016. "Farmland biodiversity and agricultural management on 237 farms in 13 European and two African regions." Ecology 97, no. 6: 1625-1625.

Journal article
Published: 11 April 2016 in Bulletin of Entomological Research
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Carabid beetles are important predators in agricultural landscapes feeding on a range of prey items. However, their role as predators of the olive fruit fly, Bactrocera oleae (Rossi) (Diptera: Tephritidae), one of the most serious pests of olives, is unknown. In this context, the feeding preferences and the functional responses of two carabid beetle species, Calathus granatensis (Vuillefroy) and Pterostichus globosus (Fabricius), were studied under laboratory conditions. Feeding preference assays involved exposing carabid beetles to different ratios of B. oleae pupae and an alternative prey, the Mediterranean fruit fly, Ceratitis capitata (Wiedemann). Both species fed on B. oleae pupae however, C. granatensis always showed a significant preference for that prey whereas P. globosus switched to C. capitata pupae when the offered ratio was below 0.5. The total prey biomass consumed was significantly higher for P. globosus than for C. granatensis. Functional response curves were estimated based on different densities of B. oleae pupae and both carabid beetle species exhibited a type II functional response using Rogers’ random-predator equation. P. globosus showed shorter handling time (1.223 ± 0.118 h) on B. oleae pupae than C. granatensis (3.230 ± 0.627 h). Our results suggest that both species can be important in reducing the densities of B. oleae in olive groves, although P. globosus was more efficient than C. granatensis.

ACS Style

A.M. Dinis; Jose Alberto Pereira; Jacinto Benhadi-Marín; S.A.P. Santos. Feeding preferences and functional responses of Calathus granatensis and Pterostichus globosus (Coleoptera: Carabidae) on pupae of Bactrocera oleae (Diptera: Tephritidae). Bulletin of Entomological Research 2016, 106, 701 -709.

AMA Style

A.M. Dinis, Jose Alberto Pereira, Jacinto Benhadi-Marín, S.A.P. Santos. Feeding preferences and functional responses of Calathus granatensis and Pterostichus globosus (Coleoptera: Carabidae) on pupae of Bactrocera oleae (Diptera: Tephritidae). Bulletin of Entomological Research. 2016; 106 (6):701-709.

Chicago/Turabian Style

A.M. Dinis; Jose Alberto Pereira; Jacinto Benhadi-Marín; S.A.P. Santos. 2016. "Feeding preferences and functional responses of Calathus granatensis and Pterostichus globosus (Coleoptera: Carabidae) on pupae of Bactrocera oleae (Diptera: Tephritidae)." Bulletin of Entomological Research 106, no. 6: 701-709.

Journal article
Published: 01 April 2016 in BioControl
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Chrysoperla carnea s.l. (Stephens) (Neuroptera: Chrysopidae) larvae are generalist predators feeding on many crop pests while adults feed on non-prey food. The knowledge about the nutritional suitability of non-prey food for adults in agroecosystems is crucial to establish conservation biological control strategies and is poorly known in olive groves, where C. carnea s.l. larvae prey on different pests. In this study, the effect of honeydew secreted by two hemipteran olive tree secondary pests and 11 plant species on the life-history parameters (survival, reproduction and development time) of C. carnea s.l. were analyzed. Insect pest honeydew from the olive agroecosystem and several plant species, blooming throughout the year, were found to improve C. carnea s.l. adult survival. Pollen consumption seems to be essential for reproduction. These findings are important for designing and implementing new conservation biological control approaches.

ACS Style

María Villa; Sónia Santos; Jacinto Benhadi-Marín; António Mexia; Albino António Bento; José Alberto Pereira. Life-history parameters of Chrysoperla carnea s.l. fed on spontaneous plant species and insect honeydews: importance for conservation biological control. BioControl 2016, 61, 533 -543.

AMA Style

María Villa, Sónia Santos, Jacinto Benhadi-Marín, António Mexia, Albino António Bento, José Alberto Pereira. Life-history parameters of Chrysoperla carnea s.l. fed on spontaneous plant species and insect honeydews: importance for conservation biological control. BioControl. 2016; 61 (5):533-543.

Chicago/Turabian Style

María Villa; Sónia Santos; Jacinto Benhadi-Marín; António Mexia; Albino António Bento; José Alberto Pereira. 2016. "Life-history parameters of Chrysoperla carnea s.l. fed on spontaneous plant species and insect honeydews: importance for conservation biological control." BioControl 61, no. 5: 533-543.

Journal article
Published: 01 February 2016 in Chemosphere
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Araniella cucurbitina (Araneae: Araneidae) is a widespread orb-weaver spider commonly found in agroecosystems. Mineral particle films such as kaolin, due to their protective or anti-feeding action, can represent an alternative to pesticides, especially in organic farming systems, but little is known about its effects on A. cucurbitina. Therefore, we tested the effect of kaolin sprays on the life span of A. cucurbitina under laboratory conditions. Four treatments were tested encompassing different exposure routes. Thus, kaolin sprays were applied on (i) the surface, (ii) the prey (fly), (iii) the spider and (iv) both spider & prey. A control group was tested with water in each treatment. Results showed that sprays of kaolin significantly affected the survival of A. curcubitina when applications were done on the surface and on both spider & prey registering a reduction of 48% and 56%, respectively. Spiders in control obtained higher probability of reaching alive at the end of the assay than those treated with kaolin. Differences observed can be explained by the feeding behavior of the species and may depend on the consumption of the web by the spider and the ratio spider/fly for body size.

ACS Style

Jacinto Benhadi-Marín; José Alberto Pereira; Sónia A.P. Santos. Effects of kaolin particle films on the life span of an orb-weaver spider. Chemosphere 2016, 144, 918 -924.

AMA Style

Jacinto Benhadi-Marín, José Alberto Pereira, Sónia A.P. Santos. Effects of kaolin particle films on the life span of an orb-weaver spider. Chemosphere. 2016; 144 ():918-924.

Chicago/Turabian Style

Jacinto Benhadi-Marín; José Alberto Pereira; Sónia A.P. Santos. 2016. "Effects of kaolin particle films on the life span of an orb-weaver spider." Chemosphere 144, no. : 918-924.