1.23.08 - 1.23.08 Generalized insect morphology body...

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1.23.08 Generalized insect morphology  – body divided into three regions (head, thorax,  and abdomen) Head: eyes, mouthparts, antennae Head orientation: o Hypognathous Vertical, e.g. grasshopper, cockroach o Prognathous Horizontal, e.g. predacious ground beetle o Opistognathous (opisthorhynchous) Oblique, extended back, e.g. aphids, cicada) Eyes: 2 types (ocelli and compound eyes) o Ocelli (simple, single lens eyes) 3+, located on the upper front part of the head, used for  sensing light/dark o Compound eyes 2, made up of smaller eyes called ommatidia, can see  movement Mouthparts: consists of different parts: o Labrum (1 upper lip) o Labium (1 lower lip) o Maxillae (1 pair, moves food towards the mouth) o Mandibles (1 pair, jaws) o Hypopharynx (1 tongue-like) o Types and Modifications of Mouthparts (2 basic: chewing and  sucking)
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Chewing Laterally (sideways) moving mandibles
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This note was uploaded on 04/23/2008 for the course ENTM 4020 taught by Professor Fadamiro during the Spring '08 term at Auburn University.

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1.23.08 - 1.23.08 Generalized insect morphology body...

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