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Katarina Maryann Mikac
Faculty of Science, Medicine and Health, School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, NSW 2522, Australia

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Journal article
Published: 27 August 2021 in Genes
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Petaurus breviceps and Petaurus norfolcensis have produced hybrids in captivity, however there are no reported cases of Petaurus hybridisation in the wild. This study uses morphological data, mitochondrial DNA, and nuclear genome-wide SNP markers to confirm P. breviceps breviceps × P. norfolcensis hybridisation within their natural range on the central coast of New South Wales, Australia. Morphological data identified a potential hybrid that was confirmed with next-generation sequencing technology and 10,111 genome-wide SNPs. Both STRUCTURE and NewHybrid analyses identified the hybrid as a P. norfolcensis backcross, which suggests an initial F1 hybrid was fertile. The mitochondrial DNA matched that of a P. b. breviceps, indicating that a P. b. breviceps female initially mated with a P. norfolcensis male to produce a fertile female offspring. Our study is an important example of how genome-wide SNPs can be used to identify hybrids where the distribution of congeners overlaps. Hybridisation between congeners is likely to become more frequent as climate changes and habitats fragment, resulting in increased interactions and competition for resources and mates.

ACS Style

Monica L. Knipler; Mark Dowton; Katarina Maryann Mikac. Genome-Wide SNPs Detect Hybridisation of Marsupial Gliders (Petaurus breviceps breviceps × Petaurus norfolcensis) in the Wild. Genes 2021, 12, 1327 .

AMA Style

Monica L. Knipler, Mark Dowton, Katarina Maryann Mikac. Genome-Wide SNPs Detect Hybridisation of Marsupial Gliders (Petaurus breviceps breviceps × Petaurus norfolcensis) in the Wild. Genes. 2021; 12 (9):1327.

Chicago/Turabian Style

Monica L. Knipler; Mark Dowton; Katarina Maryann Mikac. 2021. "Genome-Wide SNPs Detect Hybridisation of Marsupial Gliders (Petaurus breviceps breviceps × Petaurus norfolcensis) in the Wild." Genes 12, no. 9: 1327.

Original article
Published: 09 July 2021 in Mammalian Biology
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Sympatric species with similar niches compete for common resources, often resulting in spatio-temporal avoidance. To date, little is known about the spatio-temporal interactions of ungulates in forested habitats. Using camera traps, we investigated the spatio-temporal responses of alpine chamois to the presence of red deer in the mountain forests of northern Croatia during the four seasons of 2018/2019. We hypothesized that chamois activity patterns should be affected by the presence of red deer, leading to either temporal or spatial segregation between the species. Our results showed that chamois tended to be more active during the day when red deer were absent, and showed contrasting patterns of activity across seasons, from bimodal to multimodal. However, temporal overlap coefficients between chamois and red deer were moderate throughout the study period, ranging from 0.57 in summer to 0.68 in autumn. Conversely, we found inconsistent/random occupancy patterns of chamois and red deer at different camera trap locations in different seasons. Our results are among the few available data on the interaction of these two species in forested areas and suggest weak effects of red deer on the spatio-temporal behaviour of Alpine chamois. However, finer-scale data may be required to better understand the relationship between these species.

ACS Style

Krešimir Kavčić; Tena Radočaj; Luca Corlatti; Toni Safner; Ana Gračanin; Katarina M. Mikac; Nikica Šprem. Spatio-temporal response of forest-dwelling chamois to red deer presence. Mammalian Biology 2021, 1 -9.

AMA Style

Krešimir Kavčić, Tena Radočaj, Luca Corlatti, Toni Safner, Ana Gračanin, Katarina M. Mikac, Nikica Šprem. Spatio-temporal response of forest-dwelling chamois to red deer presence. Mammalian Biology. 2021; ():1-9.

Chicago/Turabian Style

Krešimir Kavčić; Tena Radočaj; Luca Corlatti; Toni Safner; Ana Gračanin; Katarina M. Mikac; Nikica Šprem. 2021. "Spatio-temporal response of forest-dwelling chamois to red deer presence." Mammalian Biology , no. : 1-9.

Journal article
Published: 24 June 2021 in Agriculture
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The western corn rootworm (WCR), is one of the most serious pests of maize in the United States. In this study, we aimed to find a reliable pattern of difference related to resistance type using population genetic and geometric morphometric approaches. To perform a detailed population genetic analysis of the whole genome, we used single nucleotide polymorphisms (SNPs) markers. For the morphometric analyses, hindwings of the resistant and non-resistant WCR populations from the US were used. Genetic results showed that there were some differences among the resistant US populations. The low value of pairwise FST = 0.0181 estimated suggests a lack of genetic differentiation and structuring among the putative populations genotyped. However, STRUCTURE analysis revealed three genetic clusters. Heterozygosity estimates (HO and HE) over all loci and populations were very similar. There was no exact pattern, and resistance could be found throughout the whole genome. The geometric morphometric results confirmed the genetic results, with the different genetic populations showing similar wing shape. Our results also confirmed that the hindwings of WCR carry valuable genetic information. This study highlights the ability of geometric morphometrics to capture genetic patterns and provides a reliable and low-cost alternative for preliminary estimation of population structure. The combined use of SNPs and geometric morphometrics to detect resistant variants is a novel approach where morphological traits can provide additional information about underlying population genetics, and morphology can retain useful information about genetic structure. Additionally, it offers new insights into an important and ongoing area of pest management on how to prevent or delay pest evolution towards resistant populations, minimizing the negative impacts of resistance.

ACS Style

Martina Kadoić Balaško; Katarina Mikac; Hugo Benítez; Renata Bažok; Darija Lemic. Genetic and Morphological Approach for Western Corn Rootworm Resistance Management. Agriculture 2021, 11, 585 .

AMA Style

Martina Kadoić Balaško, Katarina Mikac, Hugo Benítez, Renata Bažok, Darija Lemic. Genetic and Morphological Approach for Western Corn Rootworm Resistance Management. Agriculture. 2021; 11 (7):585.

Chicago/Turabian Style

Martina Kadoić Balaško; Katarina Mikac; Hugo Benítez; Renata Bažok; Darija Lemic. 2021. "Genetic and Morphological Approach for Western Corn Rootworm Resistance Management." Agriculture 11, no. 7: 585.

Journal article
Published: 30 May 2021 in Sustainability
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Alternatives and replacements for synthetic chemical-based plant protectants are required. In this study biopolymeric microspheres containing arthropod-derived apitoxin are explored as a possible novel environmentally friendly formulation for plant protection. Here we document the optimization process for microencapsulation of apitoxin into a stable formulation, for ready use in agricultural applications. Efficacy trials were carried out on three different beetle species at various developmental stages (Leptinotarsa decemlineata (Say, 1824.), Tenebrio molitor (Linnaeus, 1758.), Sitophilus granarius (Linnaeus, 1758.)). The encapsulated apitoxin has a steady initial and long residual effect, due to the slow release of apitoxin which is one of its main advantages over other conventional control methods. Microspheres loaded with apitoxin have a detrimental effect on insects, of which it is significantly better gastric compared to contact action (due to pH). The results showed that the highest and fastest mortality was obtained when the highest concentrations (0.6%) were applied, chosen to be economically acceptable. These important findings contribute to knowledge on the application and development of encapsulated apitoxin formulations, and their effectiveness, as an alternative eco-friendly control method in agricultural production.

ACS Style

Darija Lemic; Matej Orešković; Katarina Mikac; Marijan Marijan; Slaven Jurić; Kristina Vlahoviček-Kahlina; Marko Vinceković. Sustainable Pest Management Using Biodegradable Apitoxin-Loaded Calcium-Alginate Microspheres. Sustainability 2021, 13, 6167 .

AMA Style

Darija Lemic, Matej Orešković, Katarina Mikac, Marijan Marijan, Slaven Jurić, Kristina Vlahoviček-Kahlina, Marko Vinceković. Sustainable Pest Management Using Biodegradable Apitoxin-Loaded Calcium-Alginate Microspheres. Sustainability. 2021; 13 (11):6167.

Chicago/Turabian Style

Darija Lemic; Matej Orešković; Katarina Mikac; Marijan Marijan; Slaven Jurić; Kristina Vlahoviček-Kahlina; Marko Vinceković. 2021. "Sustainable Pest Management Using Biodegradable Apitoxin-Loaded Calcium-Alginate Microspheres." Sustainability 13, no. 11: 6167.

Journal article
Published: 20 May 2021 in Genes
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The use of genetic information in conservation biology has become more widespread with genetic information more readily available for non-model organisms. It has also been recognized that genetic information from invasive species can inform their management and control. The red fox poses a significant threat to Australian native fauna and the agricultural industry. Despite this, there are few recently published studies investigating the population genetics of foxes in Australia. This study investigated the population genetics of 94 foxes across the Illawarra and Shoalhaven regions of New South Wales, Australia. Diversity Array sequencing technology was used to genotype a large number of single nucleotide polymorphisms (N = 33,375). Moderate genetic diversity and relatedness were observed across the foxes sampled. Low to moderate levels of inbreeding, high-levels of identity-by-state values, as well as high identity-by-descent values were also found. There was limited evidence for population genetic structure among the foxes across the landscape sampled, supporting the presence of a single population across the study area. This indicates that there may be no barriers hindering fox dispersal across the landscape.

ACS Style

Kalynda Watson; Katarina Mikac; Sibylle Schwab. Population Genetics of the Invasive Red Fox, Vulpes vulpes, in South-Eastern Australia. Genes 2021, 12, 786 .

AMA Style

Kalynda Watson, Katarina Mikac, Sibylle Schwab. Population Genetics of the Invasive Red Fox, Vulpes vulpes, in South-Eastern Australia. Genes. 2021; 12 (5):786.

Chicago/Turabian Style

Kalynda Watson; Katarina Mikac; Sibylle Schwab. 2021. "Population Genetics of the Invasive Red Fox, Vulpes vulpes, in South-Eastern Australia." Genes 12, no. 5: 786.

Journal article
Published: 03 December 2020 in Sustainability
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The brown marmorated stink bug (Halyomorpha halys Stål, 1855) is an invasive polyphagous species that threatens fruit growing both in the United States and Europe. Many pesticide active ingredients have been studied in H. halys management, but for sustainable fruit growing, which implies the reduction of chemical harm to the environment, new safe insecticides should be implemented into the practice. For this purpose, novel green insecticide based on natural polyphenols of species Stevia rebaudiana (Bertoni) Bertoni and Aronia melanocarpa (Michx.) Elliott 1821 was developed. Stevia leaves (SLE) and Aronia pomace (APE) aqueous extracts were prepared using the ultrasound-assisted extraction method. Optimal extraction conditions for bioactive compounds (total polyphenols, flavonoids, anthocyanins, and flavan-3-ols, respectively) and antioxidant activity were determined using response surface methodology. Bioactive compounds rich SLE and APE were encapsulated in calcium alginate microparticles by the ionic gelation method. Physicochemical characteristics (morphology, size, encapsulation efficiency, loading capacity, and swelling) of microparticles showed very good properties with especially high encapsulation efficiency. Fitting to simple Korsmeyer–Peppa’s empirical model revealed that the underlying release mechanism of polyphenols is Fickian diffusion. SLE loaded microparticles showed very good pesticidal efficiency against Halyomorpha halys, especially on younger larval stages after both contact and digestive treatment. Microparticles loaded with APE did not achieve satisfactory digestive efficiency, but a certain toxic impact has been observed at contact application on all H. halys growth stages. Microparticles loaded with SLS exhibited prolonged insecticidal action against H. halys and could be a potential candidate as a green insecticide whose application could increase fruit growing safety.

ACS Style

Ivana Živković; Slaven Jurić; Marko Vinceković; Marija Galešić; Marijan Marijan; Kristina Vlahovićek-Kahlina; Katarina Mikac; Darija Lemic. Polyphenol-Based Microencapsulated Extracts as Novel Green Insecticides for Sustainable Management of Polyphagous Brown Marmorated Stink Bug (Halyomorpha halys Stål, 1855). Sustainability 2020, 12, 10079 .

AMA Style

Ivana Živković, Slaven Jurić, Marko Vinceković, Marija Galešić, Marijan Marijan, Kristina Vlahovićek-Kahlina, Katarina Mikac, Darija Lemic. Polyphenol-Based Microencapsulated Extracts as Novel Green Insecticides for Sustainable Management of Polyphagous Brown Marmorated Stink Bug (Halyomorpha halys Stål, 1855). Sustainability. 2020; 12 (23):10079.

Chicago/Turabian Style

Ivana Živković; Slaven Jurić; Marko Vinceković; Marija Galešić; Marijan Marijan; Kristina Vlahovićek-Kahlina; Katarina Mikac; Darija Lemic. 2020. "Polyphenol-Based Microencapsulated Extracts as Novel Green Insecticides for Sustainable Management of Polyphagous Brown Marmorated Stink Bug (Halyomorpha halys Stål, 1855)." Sustainability 12, no. 23: 10079.

Research article
Published: 01 December 2020 in Austral Ecology
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This study aimed to provide accurate and current distribution and density estimates of the greater glider population size at Seven Mile Beach National Park, New South Wales Australia from extensive spotlight surveys. Distribution mapping of greater gliders and ArcGIS modelling allowed effective visual representation of the population’s distribution and provided preliminary evidence of a vegetation preference for the species within the study area. Spotlight surveys revealed the population ranged from 0 to 1.13 (±0.34) greater gliders per hectare; with an average of 0.41 greater gliders per hectare across Seven Mile National Park. An estimated total of 335 greater gliders could reside in the area. Vegetation surveys confirmed there was a higher encounter rate of greater gliders within Eucalyptus pilularis, blackbutt dominated forest. As expected, the number of suitable hollows was also an important factor affecting greater glider distribution. These findings have site‐specific implications for a number of suitable management options (e.g. nest boxes, road crossing structures and glider poles).

ACS Style

Simon G. Vinson; Aidan P. Johnson; Katarina M. Mikac. Current estimates and vegetation preferences of an endangered population of the vulnerable greater glider at Seven Mile Beach National Park. Austral Ecology 2020, 46, 303 -314.

AMA Style

Simon G. Vinson, Aidan P. Johnson, Katarina M. Mikac. Current estimates and vegetation preferences of an endangered population of the vulnerable greater glider at Seven Mile Beach National Park. Austral Ecology. 2020; 46 (2):303-314.

Chicago/Turabian Style

Simon G. Vinson; Aidan P. Johnson; Katarina M. Mikac. 2020. "Current estimates and vegetation preferences of an endangered population of the vulnerable greater glider at Seven Mile Beach National Park." Austral Ecology 46, no. 2: 303-314.

Review
Published: 29 October 2020 in Symmetry
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Fluctuating asymmetry (FA), in contrast with other asymmetries, is the bilateral asymmetry that represents small, random developmental differences between right and left sides. After nearly a century of using traditional morphometrics in the estimation of FA, geometric morphometrics (GM) now provides new insights into the use of FA as a tool, especially for assessing environmental and developmental stress. Thus, it will be possible to assess adaptation to various environmental stressors as particular triggers for unavoidable selection pressures. In this review, we describe measures of FA that use geometric morphometrics, and we include a flow chart of the methodology. We also describe how this combination (GM + FA) has been tested in several agroecosystems. Nutritional stress, temperature, chemical pollution, and population density are known stressors experienced by populations in agroecosystems.

ACS Style

Hugo Benítez; Darija Lemic; Amado Villalobos-Leiva; Renata Bažok; Rodrigo Órdenes-Claveria; Ivana Pajač Živković; Katarina Mikac. Breaking Symmetry: Fluctuating Asymmetry and Geometric Morphometrics as Tools for Evaluating Developmental Instability under Diverse Agroecosystems. Symmetry 2020, 12, 1789 .

AMA Style

Hugo Benítez, Darija Lemic, Amado Villalobos-Leiva, Renata Bažok, Rodrigo Órdenes-Claveria, Ivana Pajač Živković, Katarina Mikac. Breaking Symmetry: Fluctuating Asymmetry and Geometric Morphometrics as Tools for Evaluating Developmental Instability under Diverse Agroecosystems. Symmetry. 2020; 12 (11):1789.

Chicago/Turabian Style

Hugo Benítez; Darija Lemic; Amado Villalobos-Leiva; Renata Bažok; Rodrigo Órdenes-Claveria; Ivana Pajač Živković; Katarina Mikac. 2020. "Breaking Symmetry: Fluctuating Asymmetry and Geometric Morphometrics as Tools for Evaluating Developmental Instability under Diverse Agroecosystems." Symmetry 12, no. 11: 1789.

Review
Published: 01 September 2020 in Insects
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Colorado potato beetle, CPB (Leptinotarsa decemlineata Say), is one of the most important pests of the potato globally. Larvae and adults can cause complete defoliation of potato plant leaves and can lead to a large yield loss. The insect has been successfully suppressed by insecticides; however, over time, has developed resistance to insecticides from various chemical groups, and its once successful control has diminished. The number of available active chemical control substances is decreasing with the process of testing, and registering new products on the market are time-consuming and expensive, with the possibility of resistance ever present. All of these concerns have led to the search for new methods to control CPB and efficient tools to assist with the detection of resistant variants and monitoring of resistant populations. Current strategies that may aid in slowing resistance include gene silencing by RNA interference (RNAi). RNAi, besides providing an efficient tool for gene functional studies, represents a safe, efficient, and eco-friendly strategy for CPB control. Genetically modified (GM) crops that produce the toxins of Bacillus thuringiensis (Bt) have many advantages over agro-technical, mechanical, biological, and chemical measures. However, pest resistance that may occur and public acceptance of GM modified food crops are the main problems associated with Bt crops. Recent developments in the speed, cost, and accuracy of next generation sequencing are revolutionizing the discovery of single nucleotide polymorphisms (SNPs) and field of population genomics. There is a need for effective resistance monitoring programs that are capable of the early detection of resistance and successful implementation of integrated resistance management (IRM). The main focus of this review is on new technologies for CPB control (RNAi) and tools (SNPs) for detection of resistant CPB populations.

ACS Style

Martina Kadoić Balaško; Katarina M. Mikac; Renata Bažok; Darija Lemic. Modern Techniques in Colorado Potato Beetle (Leptinotarsa decemlineata Say) Control and Resistance Management: History Review and Future Perspectives. Insects 2020, 11, 581 .

AMA Style

Martina Kadoić Balaško, Katarina M. Mikac, Renata Bažok, Darija Lemic. Modern Techniques in Colorado Potato Beetle (Leptinotarsa decemlineata Say) Control and Resistance Management: History Review and Future Perspectives. Insects. 2020; 11 (9):581.

Chicago/Turabian Style

Martina Kadoić Balaško; Katarina M. Mikac; Renata Bažok; Darija Lemic. 2020. "Modern Techniques in Colorado Potato Beetle (Leptinotarsa decemlineata Say) Control and Resistance Management: History Review and Future Perspectives." Insects 11, no. 9: 581.

Journal article
Published: 16 August 2020 in Zoologischer Anzeiger
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The Mediterranean fruit fly or medfly, Ceratitis capitata (Wiedemann, 1824) is one of the most economically important fruit flies globally. Geometric morphometric methods based on principal component analyses, multivariate regressions and two blocks partial least squares analyses were used in this study to estimate patterns of sexual shape dimorphism and the influence of agroecological factors (weather conditions, soil properties) in two different populations on C. capitata in Croatia. Results shown significant differences in mean shape between C. capitata sexes, nevertheless, females did not modify they wing morphology between populations, in contrast to males where the wing shape differ between island and continent populations. Wing size and shape showed particularly differences between agroecological systems suggesting metapopulation structure of C. capitata which is currently favouring sex-specific plasticity. These results show that geometric morphometric procedures can be used to provide key insight into the biological adaptation of medfly in newly invaded habitats, a significant process that ensures invasion success.

ACS Style

Darija Lemic; Hugo A. Benítez; Mario Bjeliš; Rodrigo Órdenes-Claveria; Pave Ninčević; Katarina M. Mikac; Ivana Pajač Živković. Agroecological effect and sexual shape dimorphism in medfly Ceratitis capitata (Diptera: Tephritidae) an example in Croatian populations. Zoologischer Anzeiger 2020, 288, 118 -124.

AMA Style

Darija Lemic, Hugo A. Benítez, Mario Bjeliš, Rodrigo Órdenes-Claveria, Pave Ninčević, Katarina M. Mikac, Ivana Pajač Živković. Agroecological effect and sexual shape dimorphism in medfly Ceratitis capitata (Diptera: Tephritidae) an example in Croatian populations. Zoologischer Anzeiger. 2020; 288 ():118-124.

Chicago/Turabian Style

Darija Lemic; Hugo A. Benítez; Mario Bjeliš; Rodrigo Órdenes-Claveria; Pave Ninčević; Katarina M. Mikac; Ivana Pajač Živković. 2020. "Agroecological effect and sexual shape dimorphism in medfly Ceratitis capitata (Diptera: Tephritidae) an example in Croatian populations." Zoologischer Anzeiger 288, no. : 118-124.

Journal article
Published: 03 June 2020 in Insects
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The granary weevil, Sitophilus granarius Linnaeus 1875, is a primary pest of stored grains worldwide. Feeding damage and progeny production of S. granarius was estimated to identify the levels of resistance of the insect on different durum wheat cultivars. Insect attack on four different durum wheat cultivars was investigated over a period of 20 weeks. Durum wheats were artificially infected with 20 individuals of S. granarius. Every two weeks the sample weight, hectoliter weight, moisture and the number of live weevils, including their number of progenies, were recorded. Overall findings revealed different levels of resistance of different durum wheat cultivars to S. granarius infestation. The Primadur cultivar had the highest resistance, followed by the Marco Aurelio and Cesare cultivars followed finally by the Tito Flavio cultivar which was highly susceptible to S. granarius. For all cultivars, apart from Primadur, S. granarius metabolism increased humidity and temperature, leading to grain degradation and resulting in the potential complete loss of market value if under field conditions. Evidently, durum wheat characteristics affect the life cycle of S. granarius, primarily their progeny, and thus the damage they undertake to the wheat itself. These findings are important because they enable the strategic selection of wheat cultivars that can be stored for a longer time period, while more sensitive wheat cultivars can be selected for shorter storage time and thus faster delivery to market.

ACS Style

Darija Lemic; Katarina M. Mikac; Matej Genda; Željko Jukić; Ivana Pajač Živković. Durum Wheat Cultivars Express Different Level of Resistance to Granary Weevil, Sitophilus granarius (Coleoptera; Curculionidae) Infestation. Insects 2020, 11, 343 .

AMA Style

Darija Lemic, Katarina M. Mikac, Matej Genda, Željko Jukić, Ivana Pajač Živković. Durum Wheat Cultivars Express Different Level of Resistance to Granary Weevil, Sitophilus granarius (Coleoptera; Curculionidae) Infestation. Insects. 2020; 11 (6):343.

Chicago/Turabian Style

Darija Lemic; Katarina M. Mikac; Matej Genda; Željko Jukić; Ivana Pajač Živković. 2020. "Durum Wheat Cultivars Express Different Level of Resistance to Granary Weevil, Sitophilus granarius (Coleoptera; Curculionidae) Infestation." Insects 11, no. 6: 343.

Review
Published: 03 January 2020 in Insects
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The codling moth, Cydia pomonella L., is a serious insect pest in pome fruit production worldwide with a preference for apple. The pest is known for having developed resistance to several chemical groups of insecticides, making its control difficult. The control and management of the codling moth is often hindered by a lack of understanding about its biology and ecology, including aspects of its population genetics. This review summarizes the information about the origin and biology of the codling moth, describes the mechanisms of resistance in this pest, and provides an overview of current research of resistant pest populations and genetic research both in Europe and globally. The main focus of this review is on non-pesticide control measures and anti-resistance strategies which help to reduce the number of chemical pesticides used and their residues on food and the local environment. Regular monitoring for insecticide resistance is essential for proactive management to mitigate potential insecticide resistance. Here we describe techniques for the detection of resistant variants and possibilities for monitoring resistance populations. Also, we present our present work on developing new methods to maintain effective control using appropriate integrated resistance management (IRM) strategies for this economically important perennial pest.

ACS Style

Martina Kadoić Balaško; Renata Bažok; Katarina M. Mikac; Darija Lemic; Ivana Pajač Živković. Pest Management Challenges and Control Practices in Codling Moth: A Review. Insects 2020, 11, 38 .

AMA Style

Martina Kadoić Balaško, Renata Bažok, Katarina M. Mikac, Darija Lemic, Ivana Pajač Živković. Pest Management Challenges and Control Practices in Codling Moth: A Review. Insects. 2020; 11 (1):38.

Chicago/Turabian Style

Martina Kadoić Balaško; Renata Bažok; Katarina M. Mikac; Darija Lemic; Ivana Pajač Živković. 2020. "Pest Management Challenges and Control Practices in Codling Moth: A Review." Insects 11, no. 1: 38.

Research article
Published: 01 January 2020 in Australian Mammalogy
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This study developed and tested the efficacy of a real-time thermography technique to improve survey methods for Australian arboreal mammal species, with a focus on the greater glider. Development involved the use of thermal imaging cameras combined with spotlight transect surveys of an endangered greater glider population at Seven Mile Beach National Park. Over 30h of nocturnal spotlight transect surveys were undertaken over 14 (1km) transects within 70ha of dry sclerophyll forest. A protocol for the use of thermography to survey greater gliders was developed. The efficacy of the thermography protocol was then experimentally tested in comparison to traditional spotlighting. Overall, thermography was better at detecting arboreal mammals than spotlighting (P<0.05). However, the effect was not significant for greater gliders (P=0.79), even though there was a trend towards improved detection of the species using thermal cameras. Thermography is a novel approach to undertaking arboreal mammal surveys and future studies should consider its relevance, effectiveness and associated costs to improve survey designs, especially for threatened species.

ACS Style

Simon G. Vinson; Aidan P. Johnson; Katarina M. Mikac. Thermal cameras as a survey method for Australian arboreal mammals: a focus on the greater glider. Australian Mammalogy 2020, 42, 367 .

AMA Style

Simon G. Vinson, Aidan P. Johnson, Katarina M. Mikac. Thermal cameras as a survey method for Australian arboreal mammals: a focus on the greater glider. Australian Mammalogy. 2020; 42 (3):367.

Chicago/Turabian Style

Simon G. Vinson; Aidan P. Johnson; Katarina M. Mikac. 2020. "Thermal cameras as a survey method for Australian arboreal mammals: a focus on the greater glider." Australian Mammalogy 42, no. 3: 367.

Research article
Published: 01 January 2020 in Australian Mammalogy
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We provide the first quantitative evidence of sugar gliders (Petaurus breviceps) being detected by ground-based camera traps. We speculate that this may represent occasional movement or foraging on the ground, which has not been fully appreciated previously.

ACS Style

Ana Gracanin; Cara Cappelletti; Monica Knipler; Ryan K. K. Dallas; Katarina M. Mikac. Exploring new grounds: arboreal sugar gliders frequently observed spending time on the ground as seen on camera traps. Australian Mammalogy 2020, 42, 110 .

AMA Style

Ana Gracanin, Cara Cappelletti, Monica Knipler, Ryan K. K. Dallas, Katarina M. Mikac. Exploring new grounds: arboreal sugar gliders frequently observed spending time on the ground as seen on camera traps. Australian Mammalogy. 2020; 42 (1):110.

Chicago/Turabian Style

Ana Gracanin; Cara Cappelletti; Monica Knipler; Ryan K. K. Dallas; Katarina M. Mikac. 2020. "Exploring new grounds: arboreal sugar gliders frequently observed spending time on the ground as seen on camera traps." Australian Mammalogy 42, no. 1: 110.

Journal article
Published: 21 September 2019 in Insects
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The codling moth (CM) (Cydia pomonella L.) is the most important apple pest in Croatia and Europe. Owing to its economic importance, it is a highly controlled species and the intense selection pressure the species is under has likely caused it to change its phenotype in response. Intensive application of chemical-based insecticide treatments for the control of CM has led to resistance development. In this study, the forewing morphologies of 294 CM (11 populations) were investigated using geometric morphometric procedures based on the venation patterns of 18 landmarks. Finite element method (FEM) was also used to further investigate the dispersal capabilities of moths by modelling wing deformation versus wind speed. Three treatments were investigated and comprised populations from integrated and ecological (susceptible) orchards and laboratory-reared non-resistant populations. Forewing shape differences were found among the three treatment populations investigated. Across all three population treatments, the movement of landmarks 1, 7, 8, 9, and 12 drove the wing shape differences found. A reliable pattern of differences in forewing shape as related to control practice type was observed. FEM revealed that as wind speed (m/s-1) increased, so too did wing deformation (mm) for CM from each of the three treatments modelled. CM from the ecological orchards displayed the least deformation followed by integrated then laboratory-reared CM, which had the highest wing deformation at the highest wind speeds. This study presents an affordable and accessible technique that reliably demonstrates wing shape differences, and thus its use as a population biomarker to detect resistance should be further investigated.

ACS Style

Ivana Pajač Živković; Hugo Alejandro Benitez; Božena Barić; Zrinka Drmić; Martina Kadoić Balaško; Darija Lemic; Jose H. Dominguez Davila; Katarina Maryann Mikac; Renata Bažok. Codling Moth Wing Morphology Changes Due to Insecticide Resistance. Insects 2019, 10, 310 .

AMA Style

Ivana Pajač Živković, Hugo Alejandro Benitez, Božena Barić, Zrinka Drmić, Martina Kadoić Balaško, Darija Lemic, Jose H. Dominguez Davila, Katarina Maryann Mikac, Renata Bažok. Codling Moth Wing Morphology Changes Due to Insecticide Resistance. Insects. 2019; 10 (10):310.

Chicago/Turabian Style

Ivana Pajač Živković; Hugo Alejandro Benitez; Božena Barić; Zrinka Drmić; Martina Kadoić Balaško; Darija Lemic; Jose H. Dominguez Davila; Katarina Maryann Mikac; Renata Bažok. 2019. "Codling Moth Wing Morphology Changes Due to Insecticide Resistance." Insects 10, no. 10: 310.

Research article
Published: 01 January 2019 in Australian Mammalogy
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Activity levels of spotted-tailed quolls were investigated using camera traps over 12 months. There were 33 independent camera trap photos with 17 individual quolls identified. Latency to initial detection was 40 days. Quolls were nocturnal/crepuscular, spending 35% of the day they were detected active. Highest activity levels were recorded in summer.

ACS Style

Stephanie K. Courtney Jones; Katarina M. Mikac. Quantifying daily activity patterns of the spotted-tailed quoll (Dasyurus maculatus) using camera trap data from a stronghold population in south-eastern New South Wales. Australian Mammalogy 2019, 41, 283 .

AMA Style

Stephanie K. Courtney Jones, Katarina M. Mikac. Quantifying daily activity patterns of the spotted-tailed quoll (Dasyurus maculatus) using camera trap data from a stronghold population in south-eastern New South Wales. Australian Mammalogy. 2019; 41 (2):283.

Chicago/Turabian Style

Stephanie K. Courtney Jones; Katarina M. Mikac. 2019. "Quantifying daily activity patterns of the spotted-tailed quoll (Dasyurus maculatus) using camera trap data from a stronghold population in south-eastern New South Wales." Australian Mammalogy 41, no. 2: 283.

Review
Published: 10 November 2018 in Insects
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Western corn rootworm (WCR) is the worst pest of maize in the United States, and since its spread through Europe, WCR is now recognized as the most serious pest affecting maize production. After the beetle’s first detection in Serbia in 1992, neighboring countries such as Croatia have established a national monitoring program. For more than two decades WCR adult population abundance and variability was monitored. With traditional density monitoring, more recent genetic monitoring, and the newest morphometric monitoring of WCR populations, Croatia possesses a great deal of knowledge about the beetle’s invasion process over time and space. Croatia’s position in Europe is unique as no other European nation has demonstrated such a detailed and complete understanding of an invasive insect. The combined use of traditional monitoring (attractant cards), which can be effectively used to predict population abundance, and modern monitoring procedures, such as population genetics and geometric morphometrics, has been effectively used to estimate inter- and intra-population variation. The combined application of traditional and modern monitoring techniques will enable more efficient control and management of WCR across Europe. This review summarizes the research on WCR in Croatia from when it was first detected in 1992 until 2018. An outline of future research needs is provided.

ACS Style

Martina Mrganić; Renata Bažok; Katarina M. Mikac; Hugo A. Benítez; Darija Lemic. Two Decades of Invasive Western Corn Rootworm Population Monitoring in Croatia. Insects 2018, 9, 160 .

AMA Style

Martina Mrganić, Renata Bažok, Katarina M. Mikac, Hugo A. Benítez, Darija Lemic. Two Decades of Invasive Western Corn Rootworm Population Monitoring in Croatia. Insects. 2018; 9 (4):160.

Chicago/Turabian Style

Martina Mrganić; Renata Bažok; Katarina M. Mikac; Hugo A. Benítez; Darija Lemic. 2018. "Two Decades of Invasive Western Corn Rootworm Population Monitoring in Croatia." Insects 9, no. 4: 160.

Invasion note
Published: 06 September 2016 in Biological Invasions
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An analysis of the hind wing morphology (size and shape) within and among western corn rootworm, Diabrotica virgifera virgifera LeConte, populations over a large geographic scale in Europe was conducted. The changes in hind wing shape and size detected were related to identifiable invasion processes (i.e. multiple introduction events into Europe), first characterised using genetic markers. Overall implications from this work suggest that geometric morphometric techniques can be used to detect population changes related to invasions and could therefore serve as a cheaper and more accessible alternative ‘biomarker’ to more expensive and specialised-use genetic markers, such as microsatellites or SNPs, when investigating biological invasions.

ACS Style

Katarina Mikac; Darija Lemic; Renata Bazok; Hugo A. Benítez. Wing shape changes: a morphological view of the Diabrotica virgifera virgifera European invasion. Biological Invasions 2016, 18, 3401 -3407.

AMA Style

Katarina Mikac, Darija Lemic, Renata Bazok, Hugo A. Benítez. Wing shape changes: a morphological view of the Diabrotica virgifera virgifera European invasion. Biological Invasions. 2016; 18 (12):3401-3407.

Chicago/Turabian Style

Katarina Mikac; Darija Lemic; Renata Bazok; Hugo A. Benítez. 2016. "Wing shape changes: a morphological view of the Diabrotica virgifera virgifera European invasion." Biological Invasions 18, no. 12: 3401-3407.

Journal article
Published: 04 June 2016 in Environmental Monitoring and Assessment
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The use of the marine gastropod, Cellana tramoserica, as a biomonitor of metal exposure was investigated. The factors influencing metal concentrations, such as mass, gender, substrate, shoreline position and temporal variation were examined. Tissue metal concentrations were mostly found to be independent of mass and gender. When metal concentrations were significantly correlated with mass, correlations were low and explained little variability. The underlying substrate and position in the littoral zone had only a small influence on metal concentrations. Variation between individuals, inherent variability due to genetic variability, was the most significant contribution to the overall variation in metal concentrations, resulting in positive skewing of population distributions. The mean metal concentrations varied temporally; metal masses were relatively constant with fluctuations in metal concentrations related to fluctuations in metal body burdens. The populations from a metal-contaminated site had significantly higher tissue Cu, Zn, As and Pb concentrations than the populations from relatively uncontaminated locations. C. tramoserica therefore can be considered to be a net accumulator of metals. A sample number of >10 is required to detect changes of 25 % from the mean concentrations at uncontaminated locations. This species meets the requirements of a suitable biomonitor for metal contaminants in the environment i.e. hardy, sessile, widespread, sufficient tissue mass and a metal accumulator. As the measurement of metal concentrations in C. tramesoria were influenced by substrate and shore position and, sometimes, mass, sites with similar substrates and organisms of similar mass and shoreline position should be chosen for comparison. When comparing metal concentrations in gastropods from different locations, they should be collected over the same period to minimise variability due to mass differences, spawning and other seasonal/temporal effects.

ACS Style

W. Maher; Nicola Maher; A. Taylor; F. Krikowa; R. Ubrihien; K. M. Mikac. The use of the marine gastropod, Cellana tramoserica, as a biomonitor of metal contamination in near shore environments. Environmental Monitoring and Assessment 2016, 188, 1 .

AMA Style

W. Maher, Nicola Maher, A. Taylor, F. Krikowa, R. Ubrihien, K. M. Mikac. The use of the marine gastropod, Cellana tramoserica, as a biomonitor of metal contamination in near shore environments. Environmental Monitoring and Assessment. 2016; 188 (7):1.

Chicago/Turabian Style

W. Maher; Nicola Maher; A. Taylor; F. Krikowa; R. Ubrihien; K. M. Mikac. 2016. "The use of the marine gastropod, Cellana tramoserica, as a biomonitor of metal contamination in near shore environments." Environmental Monitoring and Assessment 188, no. 7: 1.

Research article
Published: 25 September 2015 in PLOS ONE
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This study describes the genetics of the western corn rootworm (WCR), Diabrotica virgifera virgifera LeConte in southern Europe during the introduction (1996–2001) and establishment/spread (2002–2011) phases of its invasion. The Diabrotica microsatellite core-set was used to perform traditional population genetics analyses. Our results indicated that during the introduction phase genetic diversity and population genetic structure were lower overall as compared to the establishment/spread phase. Unusually high genetic differentiation was found between the Italy and southern Europe comparisons, including high differentiation between Italian populations separated by a short distance during the establishment/spread phase. STRUCTURE analysis revealed two genetic clusters during the introduction phase and two genetic clusters during the establishment/spread phase. However, bottlenecked populations were only detected during the invasion phase. A small but significant isolation by distance effect was noted in both phases. Serbia was the geographic source of WCR to Croatia and Hungary in the introduction phase, while the United States of America was the possible source of WCR to Italy in 2001. These introductory populations were the subsequent source of individuals sampled during the establishment/spread phase. Repeated introductions and admixture events in southern Europe may have resulted in genetically diverse WCR populations that have attained 83% of all known alleles worldwide.

ACS Style

Darija Lemic; Katarina Mikac; Stephanie A. Ivkosic; Renata Bazok. The Temporal and Spatial Invasion Genetics of the Western Corn Rootworm (Coleoptera: Chrysomelidae) in Southern Europe. PLOS ONE 2015, 10, e0138796 .

AMA Style

Darija Lemic, Katarina Mikac, Stephanie A. Ivkosic, Renata Bazok. The Temporal and Spatial Invasion Genetics of the Western Corn Rootworm (Coleoptera: Chrysomelidae) in Southern Europe. PLOS ONE. 2015; 10 (9):e0138796.

Chicago/Turabian Style

Darija Lemic; Katarina Mikac; Stephanie A. Ivkosic; Renata Bazok. 2015. "The Temporal and Spatial Invasion Genetics of the Western Corn Rootworm (Coleoptera: Chrysomelidae) in Southern Europe." PLOS ONE 10, no. 9: e0138796.