| abstract | Three new species of the genus Mouchetia Gaud, 1961 are described: Mouchetia indochinensis sp. n. from Zosterops japonica (Zosteropidae), M. rumiantzevi sp. n. from Yuhina nigrimenta (Timaliidae), and M. oliferae sp. n. from Leiothrix argentaurus (Timaliidae). The key to all species of the genus Mouchetia known at present is given. The comparison of the original description of M. dolichosikya Gaud, 1961, M. viduata Gaud, 1962, and the data on these species given in «Generic revision of Pteronyssinae» - (Faccini, Atyeo, 1981) has shown that the authors of this revision had made an error in identification of these species and figured the species M. viduata instead of M. dolichosikya. The new species M. indochinensis is closely related to the two species formely described from Zosteropidae, M. dolichosikya and M. viduata. The male of this species differs from M. dolichosikya by the absence of transversal striation on the hysterosomal shield, and differs from M. viduata by trapesoid form of terminal cleft. The female of M. indochinensis differs from these closely related by short hysterosomal shield (190—206 micrometers in length), anterior part of which does not reach the level of anterior margin of trochanter III. The male of M. rumiantzevi differs from three Mouchetia species known from Zosteropidae by the rounded apex of opistosomal lobes and by the lateral setae l1, which are shorter than the distance between external scapular setae sce. The female of M. rumiantzevi differs from these three species by the position of the setae d3 posterior to the level of lateral oil glands gl, and by the close distance between setae d1, which is equal to the distance between setae d2. Both male and female of M. oliferae differ from all other species of the genus Mouchetia by fused propodosomal and scapular shields, by very short setae l1, and by the epimeres I drown close to one another. The male of this species has unique characters: the presence of the U-formed transventral sclerite connecting the epiandrium and anterior tips of epimeres IV, short opistosomal lobes, short leggs III and conical form of tarsus III. The female has some unique characters too: opistosomal lobes are long and drown close to one another, epiginium is low and bowshaped, hysterosomal shield occupies the whole medial part of hysterosoma. |