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THE PHYLUM ARTHROPODA
THE CLASS HEXAPODA OR INSECTS
20 other sections not shown
abdomen abdominal segment abundant adults emerge anal animals antennae appendages apple Apterygota attached bark bees beetle belong body brood burrow butterflies caterpillars cells chitinous cocoons color common species Comstock coxae developed Diptera disease dorsal eggs eggs hatch females lay flea flies flowers foliage fore wing gall glands grasshopper hairs head hibernate hind wings host housefly Hymenoptera hypopharynx insects known labium large number larvae larvae feed lay their eggs legs length louse maggots male mandibles margin mature maxillae membrane mesothorax metathorax molt mosquito moth mouthparts muscles nectar nest North America nymphs occur organs oviposit ovipositor pair palpi palpus parasite plant lice pollen posterior proboscis pronotum prothorax pupa pupal pupate salivary scale scale insects sclerite season serious pest silken skin soil spiracles spring stage structure suborder sucking surface suture tarsus thorax tibia tick trees usually veins ventral wasps weeks wingless young