RECOGNITION OF COMMON ORDERS OF INSECTS

RECOGNITION OF COMMON ORDERS OF INSECTS

Odonata - dragonflies and damselflies

        long slender membranous wings with many cross-veins

         hind wings similar to forewings

        chewing mouthparts

        long, slender abdomen

         larvae are aquatic

Orthoptera - grasshoppers, kaydids, and crickets

         forewings leathery and narrow

         chewing mouthparts

         many have hind legs modified for jumping

Blattaria - cockroaches

         forewings elongate, often thickened (leathery)

         chewing mouthparts

         running legs

         cerci

         long antennae

Phasmida - walkingsticks

        chewing mouthparts

         looks like a stick

Mantodea - praying mantids

         forewings elongate, often thickened (leathery)

         chewing mouthparts

         enlarge forelegs for grasping prey

         distinctive neck

Hemiptera - true bugs

         forewings thickened at base

         hind wings membranous

         piercing-sucking mouthparts

Neuroptera - lacewings, ant lions

         fore and back wings membranous with many veins

        chewing mouthparts

       antennae long and many segmented

Coleoptera - beetles

         hardened forewing (elytra)

        hind wings membranous

         chewing mouthparts

         elytra meet in straight line down back

Lepidoptera - butterflies and moths

         fore and hind wings with scales

         antennae long and many segmented

         adults - siphoning mouthparts

         larvae - chewing mouthparts

Diptera - flies and mosquitoes

         forewings membranous

         hind wings absent, replaced with balancing organs called halteres

       different types of mouthparts

Hymenoptera - bees, wasps, and ants

         fore and hind wings membranous

         antennae usually threadlike

        chewing mouthparts with modification for sucking