image is a derivative work of the following images: File:Corydalus_cornutus_illustration.png licensed with PD-US 2009-08-13T15:49:46Z BetacommandBot 751x1262...
DescriptionCorydalus cornutus illustration (rotated).png Illustration of a dobsonfly. The original caption read: Fig. 511.--Corydalus cornutus, hellgrammite...
DescriptionCorydalus cornutus illustration.png Illustration of a dobsonfly. The original caption read: Fig. 511.--Corydalus cornutus, hellgrammite, male...
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