Unionicola (Wolcottatax) Weni N. Sp.andU. (Wolcottatax) ArcuatoidesVidrine (Acari: Unionicolidae) From Freshwater Mussels in China

Abstract

Utiionicola ( Wolcottatrrx) ic.erii n. sp. (Acari: Hydrachnidia: Unionicolidae) is described from freshwater mussels Arcoriaia Ianceolata from Nanchang, Jiangxi Province, China. The new mite resembles U. fetigchengensis Wen and Zhu, 1996, but it can be distinguished by the number of genital acetabula and the morphology of the tarsus ofthe fourth walking legs. Both species are readily distinguished from U. arcimta (Wolcott, 1898) and U. arciratoides Vidrine, 1986 by the shape of the tarsal claws and the morphology of the walking legs. Utiiorticola arciratoides, previously known only from Japan, is reported from Acirticosta chitierisis from Nanchang, Jiangxi Province, China.

Taxonomic richness and host range of tropical Asian mussel‐associated mite assemblages (Acari: Unionicolidae) with a description of a new subgenus and species of parasitic mite from freshwater pearl mussels (Unionida: Margaritiferidae)

“…The mite family Unionicolidae contains specific parasites and commensals of freshwater animals having a global distribution on all continents except Antarctica (Vidrine, 1986b, 1996; Vidrine et al., 2007, 2008). The genus Unionicola is the largest taxon with 57 subgenera and approximately 250 species (Edwards & Vidrine, 2013; Savatenalinton & Smit, 2017).…”

“…Available studies indicate that five freshwater mussel families, that is, the Unionidae, Hyriidae, Mycetopodidae, Iridinidae, and Etheriidae, support diverse and largely host‐specific Unionicola associations (Downes, 1989; Edwards & Vidrine, 2006, 2013; Vidrine, Joubert, et al., 2008; Wu et al., 2012). Interestingly, none of Unionicola mites is known to be associated with the family Margaritiferidae.…”

Sequence analysis of mtDNA COI gene and molecular Phylogeny of Parasitic Unionicolid Mites (Acari: Unionicolidae: Unionicola) in China

“…Currently, there are 209 species of unionicolid mites globally distributed. There are only 20 species of unionicolid mites recorded in China, which belong to 8 subgenera [3], such as U. arcuata, U. ypsilophora, U. chelate, U. agilex sp. nov. Morphological differences among species of parasitic unionicolid mites are comparatively minor, with taxonomic distinctions among most members of the taxon based on subtle differences in one or two morphological characters.…”

New water mites of Torrenticolidae (Acari, Hydrachnidia) from Jiangxi Province, P. R. China

“…The water mite fauna of Jiangxi Province, P. R. China is mainly studied by Chungen Wen (Nanchang University, Nanchang, P. R. China), who described 12 species of Unionicola and two species of Limnesia with his colleagues (Jin et al 2010). In addition, Vidrine (Louisiana State University, Los Angeles, USA), Xiaoping Wu (Nanchang University, Nanchang, P. R. China) and others colleagues described two species of Unionicola (Vidrine et al 2008), in addition Ding et al (2019a) (Guizhou University, Guizhou, P. R. China) described one more species of Unionicola. This paper adds three new species of Torrenticolidae.…”