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“Ventral aspect of male cockroach with the wings extended. An imaginary median line has been inserted. A., antennae; E., eye; P.T., prothorax; W1, first pair of wings; W2, second pair of wings; C., cercus; St., style; Co., coxa; Tr., trochanter; F., femur; Ti., tibia; Ta., tarsus.” -Thomson, 1916


J. Arthur Thomson, M.A., LL.D. Outlines of Zoology (New York, NY: D. Appleton & Company, 1916)


TIFF (full resolution)

2400×2318, 805.4 KiB

Large GIF

1024×989, 156.2 KiB

Medium GIF

640×618, 83.7 KiB

Small GIF

320×309, 28.4 KiB