Ecdysozoa Insects and Crustaceans
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Lab 13. BIO-240
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14 Terms
Larva variations in insects
beetles= grubs
flies= maggots
butterflies/moths= catepillars
holometabola
complete pupal stage
larva : pupae : adult
hemimetabola
no pupal stage
larger wings every molt
ametabola
no metamorphsis
Zygentoma
ex. silverfish
no wings
long thin antennae and tail bristles
Odonata
ex. dragonflys
2 pair long translucent wings
antennae small
Coleoptera
ex. beetles
2 pair wings
four wings modified into a hard covering
Hymenoptera
ex. ant, bees, wasps
no wings or 2 wings (may look like 1)
thin “waists“
ants= bent antennae
Lepidoptera
ex. butterflies (day), moths (usually night)
2 pair wings
wings covered in scales
butterflies= wings pointed up at rest
moths= wings laid flat at rest
Orthoptera
ex. grasshoppers, crickets, katydids
drumstick leg
Hemiptera
“true bugs“
2 pairs wings
tips cross
Diptera
ex. mosquito, (flies)
one pair wings
Dermaptera
ex. earwigs (pincherbugs)
pincher like appendages
Blattoidea
ex. cockroaches, termites
Note 
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