Trictenotoma davidi Deyrolle, 1875 and T. formosanaKriesche, 1919 are the only insular Palaearctic Trictenotomidae. Both species are related and T. formosana was originally defined on the basis of unstable morphological features and originally described as a subspecies of T. davidi. In this paper, a detailed redescription of T. formosana is provided, male and female genital organs are described and illustrated for the first time and the lectotype is designated. Hainan (China) records of T. davidi are presented and morphological variability of this taxon is discussed. The first observation of Trictenotomidae mating behaviour is briefly described.
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30 December 2020
Taxonomic Revision of the Genus Trictenotoma Gray, 1832 (Coleoptera: Trictenotomidae). Part 2 – Species from Hainan and Taiwan
Dmitry Telnov,
Fang-Shuo Hu,
Alain Drumont
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Annales Zoologici
Vol. 70 • No. 4
December 2020
Vol. 70 • No. 4
December 2020
behaviour
distribution
Hainan
identification
morphology
Palaearctic islands
Taiwan