Orders: (Common names, mouthpart types, wing no. and type)

Order Name Common Adult Wings (no. and type) name Mouthparts Anoplura Sucking lice Piercing- absent sucking, stylet sac Blattaria Chewing Variable Coleoptera Beetles Chewing 2 pair (1st pair = elytra) Collembola Springtails Chewing Apterous Dermaptera Chewing 2 pair, front pair elytra, second membranous Diplura Diplurans Chewing lacking Diptera Flies Piercing- 1 pair, 2nd pair modified sucking, or into halteres sponging Embioptera Webspinners Chewing 2 pair or absent (Embiidina) Ephemeroptera Vestigial 2 pair, membranous Hemiptera "True bugs" Piercing- 2 pair, 1st pair hemelytra sucking Homoptera , Piercing- 2 pair, both membranous aphids, sucking but may be pigmented whiteflies , , Chewing or 2 pair, membranous wasps chewing- lapping Isoptera Chewing 2 pair or absent Moths, Siphoning or 2 pair, covered with butterflies vestigial scales or absent Mallophaga Chewing lice Chewing Absent Mantodea Praying Chewing Variable Mecoptera Scorpionflies Chewing 2 pair Megaloptera Dobsonflies Chewing 2 pair, membranous Lacewings, Chewing 2 pair, membranous mantispids Odonata Dragonflies, Chewing 2 pair, membranous damselflies , Chewing 2 pair, first pair tegmina, crickets, katydids Phasmida sticks Chewing Variable Stoneflies Chewing 2 pair Protura Proturans Chewing lacking Psocoptera Book and bark Chewing 2 pair or absent lice Siphonaptera Fleas Piercing- Always absent sucking Twisted-winged 1 pair, front pair halteres parasites or absent (ff's) Thysanoptera Thrips Rasping- 2 pair, fringed with hairs sucking Thysanura Bristletails, Chewing Apterous (none) silverfish

33 Insect Orders: (Common names, mouthpart types, wing no. and type) Trichoptera Caddisflies Chewing 2 pair, frequently hairy or with scales Zorapterans Chewing 2 pair or absent

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