An Introduction to EntomologyThe characteristics of insects and their near relatives; The external anatomy of insects; The structure of the body-wall; The head; The thorax; The abdomen; The internal anatomy of insects; The hypoermal structures; The muscles; The alimenary canal and its appendages; The respiratory system; The circulatory system; The blood; The adipose tissue; The nervous system; The organs of touch; The organs of taste and smell. The organs of sight; The organs of hearing; Sense-organs of unknown functions; The reproductive organs; The suspensoria of the viscera; Supplementary definitions; The metamorphosis of insects; The development of appendages; The development of the head in the muscidae; The transformation of the internal organs; The classfication and thelife-histories of insects. |
Contents
CHAPTER I | 1 |
The segmentation of the body | 34 |
THE THORAX | 48 |
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abdomen abdominal segment adult American species anal vein antennæ apex appendages basal base beetles belong body bristles brown butterflies caudal chitinized coalesce cocoon color common species compound eyes costal coxæ cross-veins Cu₁ Cu₂ cuticula described developed Diptera discal cell distinct dorsal eggs elytra extending fauna female Figure flies fore wings front wings galls genera genus greatly habits hairs head hind wings Hymenoptera includes infests insects instar known labium larva larva feeds larvæ leaves legs length Lepidoptera live lobe M₁ M₂ male mandibles margin maxillæ maxillary membrane mesothorax metamorphosis moths mouth-parts nests nymphs ocelli organs outer ovipositor pair palpi parasitic pest plants posterior pronotum prothorax pupa pupæ R₁ R₂ represented resemble scales sclerites setæ side slender spines spiracles spots subfamily suborder surface suture tarsi termed thorax tibiæ trachea transverse trees usually venation ventral vestigial wingless yellow