ENVS 3090 Study Guide - Quiz Guide: Archaeognatha, Caddisfly, Furcula
11 Mar 2017
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One pair of wings plus a pair of halters; no caudal filaments. Forewing with front part thickened, tip is membranous. 2 pairs of wings; forewing thickened, leathery or hard; hind. 2 pairs of wings; forewing thickened, leathery or hard; hind wing membranous wing membranous. Forewing same texture throughout; meet in a straight line. Forewings overlapping, leathery or parchment-like, with network of veins. Fore and hind wings alike in structure, membranous, network of veins. Fore and hind wings alike in structure, membranous, Long cerci or wings with many veins sometimes scaled or hairy. Hind wing as large as front wing, cerci short. Antennae longer than head, wings folded over body. Lacewings and allies (easily confusable with trichoptera) crossveins. Head prolonged ventrally, mandibles at the end of a beak. Cerci short or absent; costal area with at most 2 or 3. Cerci short or absent; costal area with at most 2 or 3 crossveins. Mouthparts in an elongate beak usually projecting behind.
