First description of the female of Calamaria andersoni Yang & Zheng, 2018 (Squamata, Calamariidae), with an expanded diagnosis

Zhang, T.; Xu, Y.; Nguyen, T.V.; Poyarkov, N.; Peng, L.; Deng, J.; Wang, X.; Huang, S.

Авторы: Zhang T., Xu Y., Nguyen T.V., Poyarkov N., Peng L., Deng J., Wang X., Huang S.
Журнал: Biodiversity Data Journal
Том: 13
Год издания: 2025
Издательство: Pensoft Publishers
Местоположение издательства: Bulgaria
Первая страница: 1
Последняя страница: 17
Номер статьи: e165597
DOI: 10.3897/BDJ.13.e165597
Аннотация: Calamaria andersoni Yang & Zheng, 2018, was originally described from a single adult male collected in Dehong Prefecture, Yunnan Province, China. Until now, no female specimens had been reported, limiting understanding of sexual dimorphism and diagnostic variation. Based on newly collected material from Mangshi City and Lianghe County, we identified five males and one female as C. andersoni through morphological comparisons and mitochondrial cytochrome b gene analysis. We provide the first morphological description of the female and revise the species diagnosis based on both sexes. The female is distinguishable by a higher number of ventrals and fewer subcaudals. Genetic data confirmed all specimens as belonging to a well-supported clade of C. andersoni, which is 9.8–10.1% divergent from C. yunnanensis. The known distribution of the species is extended to lower elevations (1,185–1,315 m a.s.l.) within tropical evergreen forests of Dehong. Given its relatively broad elevational range and occurrence in mature forests but no apparent population threats, we propose its conservation status as Least Concern (LC) under IUCN criteria. These findings provide new insight into sexual dimorphism, distribution, and species-level boundaries in Calamaria, emphasising the importance of continued surveys in underexplored montane regions of Yunnan and adjacent northern Myanmar.
Добавил в систему: Поярков Николай Андреевич

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First description of the female of Calamaria andersoni Yang & Zheng, 2018 (Squamata, Calamariidae), with an expanded diagnosisстатья

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