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Chapter 16-part 2

mandible a paired chewing mouthpart found in insects and some other arthropods
spiracle one of the small pores in an insect's body that function in breathing
malpighian tubule one of numerous threadlike tubules in insects that extracts wastes from the blood and empties them into the intestine
pheromone a chemical released by an animal which influences the behavior of another animal of the same species
complete metamorphosis a common type of insect development; has four stages-egg, larva, pupa, adult
incomplete metamorphosis a type of insect development in which eggs hatch into nymphs that eventually grow into adults. Three stages-egg, nymph, adult
naiad an aquatic insect nymph that possesses gills
chrysalis a protective case found in the pupal stage of metamorphosis of some insects, especially lepidopterans
caste among social insects, one of the groups in a colony that performs a particular function
insecticide a chemical or agent that destroys insects
tympanum tympanic membrane of some insects (allows for hearing sound)
ptera means "wing", suffix on many orders of insects
Orders of Insects O. Orthoptera: grasshoppers, crickets O. Odonata: dragonflies, damselflies O. Coleoptera: beetles O. Lepidoptera: butterflies, moths O. Hymenoptera: bees, ants, wasps O. Diptera: flies, mosquitoes, gnats
Created by: marlynp