entomology 10-16

entomology 10-16 - Lepidoptera Lepido-scale Ptera- wings...

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Lepidoptera Lepido-scale Ptera- wings Common name: butterflies and moths Species: 200,000 Lepidoptera Complete metamorphosis *siphoning mouthparts Wings have scales *scales are actually modified hairs Larvae feed on plants Larvae spin silk *greatest color variation Major agricultural pest Butterfly Greek-psyche French- papillon Etymology: study of words. Morpho Butterfly Morpho- beautiful or well-made Upper wings are iridescent blue Lower wings are plain brown Lepidopteran Larvae 1. leaf-eating machines 2. must molt 4-5 times 3. have soft cuticle 4. need defense: a) camouflage b) warning coloration c) toxic spines Lepidopteran Adults 1. feed to get flight fuel 2. mate abdomen to abdomen 3. female lays eggs on host plant Butterflies: 20,000 species Moths: 180,000 species
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Dan Janzen: Identify all moths of Costa Rica 1. rear larvae to adults and then identify 2. use light screen at night to collect adults Moth scales can cause allergies. (How big should a biodiversity park be?)
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entomology 10-16 - Lepidoptera Lepido-scale Ptera- wings...

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