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Published April 20, 2026 | Version v1
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Two new species of Thymistadopsis Walker, 1865, and one new record from Xizang, China (Lepidoptera, Drepanidae, Drepaninae)

Authors/Creators

  • 1. College of Plant Science, Xizang Agriculture & Animal Husbandry University, LingZhi, Xizang 860000,China.
  • 2. Institute of Xizang Plateau Ecology, Xizang Agricultural & Animal Husbandry University, LingZhi, Xizang 860000,China.

Description

Yang, Xin-Hui, Yu, Xia, Pan, Zhaohui (2026): Two new species of Thymistadopsis Walker, 1865, and one new record from Xizang, China (Lepidoptera, Drepanidae, Drepaninae). Zootaxa 5796 (1): 169-180, DOI: 10.11646/zootaxa.5796.1.9, URL: https://doi.org/10.11646/zootaxa.5796.1.9

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Identifiers

LSID
urn:lsid:zoobank.org:pub:AF67B70D-7CCE-4F77-8B0D-A3C633CBFA60
LSID
urn:lsid:plazi.org:pub:FFCCBB54E459FFF32140FFA4FFBCEE3F
URL
http://publication.plazi.org/id/FFCCBB54E459FFF32140FFA4FFBCEE3F

Has part
Taxonomic treatment: http://treatment.plazi.org/id/03F5C32CE458FFF221D7FC76FC75E8E9 (URL)
Taxonomic treatment: http://treatment.plazi.org/id/03F5C32CE458FFF521D7F883FE42E9CC (URL)
Taxonomic treatment: 10.5281/zenodo.21169241 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/03F5C32CE45EFFFB21D7FF33FE42EDBE (URL)
Taxonomic treatment: 10.5281/zenodo.21169245 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/03F5C32CE450FFF821D7FAA3FCE3EC5E (URL)
Figure: 10.5281/zenodo.21169234 (DOI)
Figure: 10.5281/zenodo.21169239 (DOI)
Figure: 10.5281/zenodo.21169243 (DOI)
Figure: 10.5281/zenodo.21169248 (DOI)
Figure: 10.5281/zenodo.21169250 (DOI)
Figure: 10.5281/zenodo.21169256 (DOI)
Figure: 10.5281/zenodo.21169260 (DOI)

References

  • Diagnosis. The external appearance of Thymistadopsis chayuensis Pan & Yang, sp. nov. is greatly different from most other known species in the genus. The wing pattern is most similar to T. trilinearia (Figs 9-12) and is also similar to that of the drepanid genus Nordstroemia Bryk, 1943. In the male genitalia, there are some clear diagnostic characters: in the new species, the uncus is short and protruding at both ends; socius hook-like, inwardly curved, slender; the middle protrusion of gnathos is rod-shaped, with dense angular spines on it, , and the length reaches the uncus base; there is a valvule inside sacculi; there is a small bulge on the outside of the base of valvae. Middle of aedeagus becomes wider, forming a corner. Eighth sternite has a special shape, resembling a ' dart'. But in T. trilinearia, the uncus is expanded; socius flat width; the gnathos is conical, and the length is not up to uncus base; there is no valvule inside sacculi; there is no protrusion on the outside of valvae. Middle of aedeagus becomes wider and arc-shaped (Figs. 17-18). The eighth sternite has a special shape, like a ' wing '(Figs. 23-24).