ENTO 210 Midterm: Lab Practical 1 Study Guide

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Symptoms: affected area becomes dusky and becomes a deep open sore as the skin around the bite dies (necrosis) Phylum of all organisms looked at in this class: arthropoda. 1 pair of legs per body segment. 2 pairs of legs per body segment. Vectors for food poisoning and intermediate hosts for disease and helminths; direct pain/physical injury. Antennae: segmentedl, movable appendages located on the front or sides of the head. Compound eye: generally large and consist of many hexagonal facts. Ocelli: located between compound eyes, variable in number but no more. Aid in light detection; cannot form images. Hypopharynx: tongue like structure inside mouth through which salivary glands open. Each has a 5 segmented appendage (maxillary palp) These wings are used to protect flight wings (mesothoracic wings) These wings are used to fly (metathoracic wings) Made of series of divisions, between each is a joint/point of flexion. Needed for movement; exoskeleton is very rigid.

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