During a field survey in 2019, three new species of eriophyoid mites were collected from Melicope pteleifolia, in Rongan county, Guangxi Zhuang Autonomous Region, China. Aceria melicope sp. nov. causes blister-like galls on the upper side of the leaves, forming thickened, wrinkled and distorted leaves. Phyllocoptruta pteleifoliae sp. nov. and Diptilomiopus ronganensis sp. nov. are vagrant on the leaves and no apparent symptom was observed.

Two new Diptacus species and one new Trimeroptes species (Acari: Eriophyoidea: Diptilomiopidae) are described and illustrated from China: Diptacus suichangensis sp. nov. on Aralia chinensis L. (Araliaceae) and Diptacus pyracanthae sp. nov. on Pyracantha fortuneana (Maxim.) Li (Rosaceae), and Trimeroptes longlinensis sp. nov. on Carpinus sp. (Betulaceae). These new species were found to be vagrant on the lower surface of their associated plants leaves, albeit with no apparent damage observed.

In this paper, three new species of eriophyoid mites belonging to the subfamily Nothopodinae from Guangxi are described and illustrated. They are Nothopoda maesae sp. nov. collected on Maesa perlaria (Lour.) Merr. (Myrsinaceae), Nothopoda camelliae sp. nov. collected on Camellia oleifera Abel (Theaceae), and Nothopoda nepalense sp. nov. collected on Alnus nepalensis D. Don (Betulaceae). All the species are vagrants on the lower leaf surface, causing no apparent damage to their host plants. http://www.zoobank.org/urn:lsid:zoobank.org:pub:4AC5CCA4-22FD-4B9B-B76D-35CDA24392C4

Two new species of the genus Leipothrix Keifer, 1966 from China are described and illustrated. These species are Leipothrix pilosae sp. nov. , from Bidens pilosa L. (Compositae), and Leipothrix sarcandrae sp. nov. , from Sarcandra glabra (Thunb.) Nakai (Chloranthaceae). Both the new species described herein were found to be vagrant on their host plants without visible damage symptoms observed.

Chlorophytum comosum is a perennial ornamental plant in the family Liliaceae, it is also a valuable medicinal plant. To enrich the genetic resources of C. comosum, its chloroplast genome was determined by Illumina sequencing data. The chloroplast genome is a typical quadripartite structure with a size of 153,983 bp, of which the LSC region is 83,471 bp, the SSC region is 18,010 bp, and the pair of IR regions is 26,251 bp. The overall GC content is 37%. It contains 131 genes, including 85 protein-coding genes, 38 tRNA genes, and 8 rRNA genes. Phylogenetic analyses showed that C. comosum is closely related to Chlorophytum rhizopendulum. However, it can be distinguished from other plants. This study enriches the sequence resources of C. comosum and provides important data for the development of molecular identification markers.

Three new Aceria species from South China are described and illustrated. Aceria bischofiaesp. nov. was collected on Bischofia javanica Blume (Phyllanthaceae), inducing galls on surfaces of the leaves; Aceria cryptocaryaesp. nov. was collected on Cryptocarya metcalfiana Allen (Lauraceae), causing the formation of erinea on the undersurface of the leaves; and Aceria buddlejaesp. nov. was collected as a vagrant on Buddleja lindleyana Fort. (Scrophulariaceae) leaves, and no symptoms were observed on the host plant.