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Insect Life Cycle Classification:
No Metamorphosis
Immature insect (young) from egg looks exactly like adult, only smaller. (Orders:
Thysanura, Collembola, Mallophaga, Anaplura)
Gradual Metamorphosis
Immature insect (nymph) from egg gradually looks more like an adult, the closer it
reaches adult size. (Orders: Orthoptera, Isoptera, Thysanoptera, Hemiptera, Homoptera,
Dermaptera)
Incomplete Metamorphosis
Immature insect (naiad) from egg does not look like an adult until it reaches adult
size in a single step. (Orders: Ephemeroptera, Odonata, Plecoptera)
Complete Metamorphosis
Immature insect from egg goes through two distinct stages (larva and pupa) before
reaching adulthood. (Orders: Neuroptera, Coleoptera, Mecoptera, Trichoptera, Lepidoptera,
Diptera, Siphonaptera, Hymenoptera)
Last edited: 03/07/98 02:04 PM
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