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Glossary of Entomology Midterm 1

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What class do insects belong too?
Hexapoda
What are the three tagmata?
Head, thorax, and abdomen
How many pairs of legs does the Hexapoda class have on its Thorax?
3
How many pairs of antennae does the Hexapoda class have on its head?
1
Respiration occurs through what in the Hexapoda class?
Trachea
What are the two life cycle groups of the Hexapoda class?
Simple Metamorphosis and Complete Metamorphosis
What is the difference between Complete and Simple Metamorphosis?
Simple Metamorphosis, or "Incomplete" metamorphosis, enters a nymph stage after the egg stage, while complete metamorphosis progresses thorugh the larva stage and then the pupua stage.
What bug-like insects are part of Auchenorrhyncha, a sub-order of Hemiptera?
Cicadas, leaf, plant and tree hoppers
What are characteristics of Auchenorrhyncha?
leathery or membraneous wings, if present (often absent) long brislte like antennae and sucking mouthparts arising fromt he back of the head or from inbetween the front legs.
What bug like insects are part of Sternorrhynhca, a sub-order of Hemiptera?
Psyllids, whiteflies, aphids, mealybugs, and scales.
What two groups of insects are considered insect like and felt should be placed in an entirely different class or subclass?
Thysanura and Collembola
What makes up Thysanura?
Silverfish and Firebrats
What makes up Collembola?
Springtails
What are some characteristics of Thysanura?
They have no wings as adults, they have 2-3 caudla appendages (2 cerci and sometimes central telson) adults may molt
What are some characteristics of Collembola?
No wings as adults, their caudal appendage is designed for jumping, and the adults may molt.
Ephemeroptera
Simple Metamorphosis

Mayflies, shadflies, Canadian Soldiers
Odonata
Simple Metamorphosis

dragonflies and damselflies
Orthoptera
Simple Metamorphosis

grasshoppers, crickets, and katydids
Dermaptera
Simple Metamorphosis

earwigs
Plecoptera
Simple Metamorphosis

stoneflies
Isoptera
Simple Metamorphosis

termites

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