A study on the taxonomy and distribution of Brahmaea certhia species group (Lepidoptera: Brahmaeidae) using an integrative approach and websites data Author Beljaev, Еvgeniy A. Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, pr-t 100 - let Vladivostoka, 159, Vladivostok, 690022, Russia. Author Makhov, Ilya A. Zoological Institute of Russian Academy of Sciences, Universitetskaya embankment, 1, St. Petersburg, 199034, Russia text Zootaxa 2025 2025-10-28 5715 1 53 105 https://doi.org/10.11646/zootaxa.5715.1.7 journal article 313678 10.11646/zootaxa.5715.1.7 9f7f0b83-07eb-4d87-b768-3d83bf7ea032 1175-5326 17888816 9E3C40A8-E2C0-47CB-A99D-05C46E33FA5D

TABLE 3. Diagnostic characters Brahmaea tancrei tancrei and Brahmaea tancrei diastemata.

Morphological	Alternative characters
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structure	Brahmaea tancrei tancrei	Brahmaea tancrei diastemata
Forewing dorsal pattern:	postmedial band packet between veins	postmedial band packet between veins
	CuA2 and 1A+2A with prominent notch	CuA2 and 1A+2A with less deep notch,
	comparable in depth to its width between	significantly smaller than its width between
	these veins; first (proximal) line of this	these veins; first (proximal) line of this
	packet between vein 1A+2A and posterior	packet between vein 1A+2A and posterior
	margin of wing usually slightly convex	margin of wing usually slightly concave and
	or almost straight, without tooth on vein	with small tooth on vein 1A+2A (original
	1A+2A (original character)	character)
Hindwing dorsal pattern:	first (proximal) line of postmedial band	first (proximal) line of postmedial band
	packet not separated distantly from other	packet separated from the other lines (Zhang
	lines (Zhang & Yang 1993, Brachygnatha	& Yang 1993, Brachygnatha diastemata)
	jilinensis)	[note: this character is not reliable, is present
		only in the holotype and, evidently, it is a
		rare aberration]
	inner margin of postmedial band packet	inner margin of the postmedial band packet
	veins CuA2 and anal margin of wing	between veins CuA2 and anal margin of
	strongly inclined outward (Zhu & Wang	wing curved weakly or almost straight (Zhu
	1983, B. certhia) [note: this character is not	& Wang 1983, B. christophi and B. ledereri)
	much reliable, there are exceptions]	[note: this character is not much reliable,
		there are exceptions]
structure	Brahmaea tancrei tancrei	Brahmaea tancrei diastemata
Male genitalia:	uncus with notch on apex (Zhang & Yang	uncus with pointed apex (Zhang & Yang
	1993, Brachygnatha jilinensis)	1993, Brachygnatha diastemata) [note: the
		character is not reliable; probably the authors
		did not see a notch on the apex of the uncus
		due to the orientation of the uncus apex on a
		glass slide towards the observer]
	median dilation of gnathos with convex	median dilation of gnathos with less
	or straight posterior margin (original	deep notch on posterior margin (original
	character)	character)
	process of harpe long and directed dorsally	process of harpe short and deflected medially
	(Zhang & Yang 1993, Brachygnatha	Zhang & Yang 1993, Brachygnatha
	jilinensis)	diastemata)