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202 Exam 2
Hexopods
21
Biology
Undergraduate 2
02/18/2009

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Term
Hexapoda
Definition
6 legs on abd, head/mouth distinctive, monophyletic
Term
Collembola
Definition
springtails: globular/long, 6,000 species, sister to insecta
Term
Thysanura
Definition
silverfish and firebrats abt 300-400 species, terrestrial sister to pterygota
Term
Pterygota
Definition
winged insects, aquatic larvae
Term
Ephemerata
Definition
mayflies; aquatic nymphs feed on algae 2500 adults don't feed
Term
Odonata
Definition
dragonflies/damselflies 5000 aquatic predac nymphs, adults pred
Term
Orthoptera
Definition
grasshoppers, crickets, katydids 20,000 mostly herb
Term
Dictyoptera
Definition
cockroaches,termites,mantids, 4000,4000,2500 only mantids pred.
Term
Psocodea
Definition
9000 lice, booklice
Term
Hemiptera
Definition
80,000 bugs, cicadas aphids etc. piercing/suck mouth, herb/pred, half-membranous wings
Term
Endopterygota
Definition
insects with complete metamorphosis: larvae, pupae, adult. include neuro, coleo, hymeno, diptera, tricho, lepido
Term
Coleoptera
Definition
*350,000 herb, pred, para, decomp, beetles.
Term
Diptera
Definition
flies, 2 forewings, 150,000 pred,para,dec aquatic larvae
Term
Lepidoptera
Definition
scales on wings, 120,000 moths/butter, herb larvae, adult pollin
Term
Hymenoptera
Definition
wasps, ants, bees, sawflies 125,000 herb pred para
Term
Neuroptera
Definition
10,000 predaceous: lacewings, antilions, owflies?
Term
Trichoptera
Definition
caddisflies: hairy wings, aquatic larvae, herb, 7000
Term
Neoptera
Definition
bugs, beetles, wasps moths, etc. "newer wings" minus odonata ephemera
Term
Thysanoptera
Definition
5000 herbivorous, some pred, wingless nymphs "fringed mouth"
Term
Insecta
Definition
Insects minus collembola
Term
Hemipteroid
Definition
contains Psocodea, hemiptera, thysanoptera
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