An Introduction to Entomology, Part 1 |
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abdomen abdominal segment adult insects agamic alimentary canal anal antennæ base belong beneath body body-wall bugs caudal end characters claws color common species compound eyes costal coxæ crickets developed distal dorsal Dragon-flies eggs entomologists excretion extend female four-jointed front wings furnished genera genus Grasshoppers greatly head Hemiptera Heteroptera HEXAPODA Hind wings inch infested insects jointed Katydid labium larva larvæ lateral legs length less Locust longitudinal male mandibles margin maxillæ membrane mesothorax metamorphosis moult Mouth-parts formed nearly Neuroptera nymph occur ocelli organs Orthoptera ovipositor pair of wings palpi pests plant-lice plants Plate posterior pronotum prothorax Pseudoneuroptera represented resemble rostrum rudimentary scale sclerites scutellum second pair side skin slender spines structure sub-family sub-order sucking surface tarsi tegmina termed thorax three-jointed Thysanura tibiæ tracheal gills transverse trees tube usually veins ventral vertex wing-covers wingless