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6 Cards in this Set
- Front
- Back
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Collembola (Springtails)
wingless, entognathous (mouthparts within folds of head), antennae present, forked jummping organ (furkula), without cerci, legs four segmented |
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Diplura (Diplurans)
wingless, eyeless, enthognathous, long antannae like string of beads, legs five segmented, terminal cerci filiform to forceps-like |
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Protura (Proturans)
very small, wingless, eyeless, without antennae, forelegs held forward, legs five segmented, without cerci |
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Archaeognatha (bristletails) or microcoryphia
wingless, humped thorax, hypognathous (mouthparts directed downward), large compound eyes in near contact, three "tails", paired cerci smaller than median caudal appendage |
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Zygentoma (silverfish)
wingless, hypognathous to prognathous, compund eyes small and widely separated or absent, three "tails" paired cerci nearly as long as median caudal appendage |
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Ephemeroptera (mayflies)
winged with large triangular forewings and small hind wings, mouthparts reduced, complex eyes large, short filiform antennae, three "tails" paired cerci often as long as median caudal appendage, immature stages aquatic |