Kwik-Key to Insect Orders

Select "A" or "B" for your specimen:

A.   Median caudal filament (arrow) is longer than lateral cerci.  Body is round in cross-section.


A: Order Archeognatha


B.   Cerci and median caudal filament are similar in length.   Body is relatively flat in cross-section.


B: Order Zygentoma


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