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. 2018 Oct 10:(789):19-35.
doi: 10.3897/zookeys.789.27829. eCollection 2018.

A new feather mite species of the genus Trouessartia Canestrini, 1899 (Acarina, Trouessartiidae) - an integrative description (morphology and DNA barcoding data)

Ioana Cristina Constantinescu  1 , Oana Paula Popa  1 , Luis Ovidiu Popa  1 , Ioana Cobzaru  2 , Mukhim D Khlur B  3 , Costică Adam  1
Affiliations

A new feather mite species of the genus Trouessartia Canestrini, 1899 (Acarina, Trouessartiidae) - an integrative description (morphology and DNA barcoding data)

Ioana Cristina Constantinescu et al. Zookeys. .

Abstract

A new species of the feather mite genus Trouessartia (Trouessartiidae) is described from the Large NiltavaNiltavagrandis (Blyth) (Passeriformes, Muscicapidae) in Northeast India (Meghalaya, Jaintia Hills, Shnongrim village). Trouessartianiltavae Constantinescu, sp. n. is morphologically closely related (no phylogenetic meaning) to T.bulligera Gaud, 1968 from Clytorhynchushamlini (Mayr) (Passeriformes: Monarchidae), sharing in males a unique character within the genus, by having setae e on legs IV hemispheroid, with spine-shaped apex. Males of the new species have the prodorsal shield without ornamentation, the prohysteronotal shield and lobar shield connected, and the terminal cleft parallel sided. Females have the posterior half of the hysteronotal shield ornamented with large ovate lacunae in central area and small elliptical lacunae marginally. To the morphological description of this new feather mite species we added sequence data on the mitochondrial cytochrome c oxidase subunit I gene fragment (COI). The phylogenetic relationships between Trouessartia species are briefly discussed.

Keywords: Trouessartia; Feather mite; new species; taxonomy.

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Figures

Figure 1.
Figure 1.
Trouessartianiltavae Constantinescu, sp. n., male holotype: dorsal view of idiosoma.
Figure 2.
Figure 2.
Trouessartianiltavae Constantinescu, sp. n., male holotype: ventral view of idiosoma.
Figure 3.
Figure 3.
Trouessartianiltavae Constantinescu, sp. n., A–D details of male legs, dorsal view: A–leg I, B–leg II, C–leg III, D–leg IV; E–opisthosoma of male, ventral view. Abbreviations: bs – basal sclerite, ea – epiandrum, gp – genital papillae, pm – parameres, pp – postgenital plaque.
Figure 4.
Figure 4.
Trouessartianiltavae Constantinescu, sp. n., female paratype: dorsal view of idiosoma.
Figure 5.
Figure 5.
Trouessartianiltavae Constantinescu, sp. n., female paratype: ventral view of idiosoma.
Figure 6.
Figure 6.
Trouessartianiltavae Constantinescu, sp. n., A–D details of female legs, dorsal view: A–leg I, B–leg II, C–leg III, D–leg IV; E–spermatheca and spermaducts of female; Abbreviations: hs – head of spermatheca; pd – primary spermaduct; sd – secondary spermaduct.
Figure 7.
Figure 7.
Evolutionary relationship between Trouessartia species inferred using the Neighbor-Joining method. The bootstrap test result (10000 replicates) is shown next to each branch.
Figure 8.
Figure 8.
Evolutionary relationship between Trouessartia species inferred using the Maximum Likelihood method based on the Tamura-Nei model. The bootstrap test (10000 replicates) shown next to the branches.
See this image and copyright information in PMC

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