Cordulegaster sayi, base of hind wing
Submitted by Adam Tofilski on Tue, 2009-09-22 18:00
Hind wing base of Cordulegaster sayi. From Comstock (fig. 230) [1].
References
- Comstock J.H.
(1918) The wings of insects. The Comstock Publishing Company, Ithaca, N.Y.
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