Wing of Heptagenia interpunctata. From Comstock (fig. 218) The wings of insects,
, Ithaca, N.Y., (1918)
[1].
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Heptagenia interpunctata, wing
Wing of Heptagenia interpunctata. From Comstock (fig. 218) The wings of insects,
, Ithaca, N.Y., (1918)
[1].
