Popular in Introduction to Insect Behavior
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This 2 page Study Guide was uploaded by Heidi Jones on Sunday March 20, 2016. The Study Guide belongs to ENTM 21000-001 at Purdue University taught by Linda Mason in Spring 2016. Since its upload, it has received 22 views. For similar materials see Introduction to Insect Behavior in Entomology at Purdue University.
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Date Created: 03/20/16
Ametabolous no metamorphosis, remain same after molt (1,2,3) avoidance take over prevents take over of other males incomplete metamorphosis. Hemimetabolous immature = nymph = resemble adults wings external hemocoelic insemination sperm injected through females body into wall of hemocoel complete metamorphosis Holometabolous immature = larva = don't resemble adults wings internal pupa stage Intersexual differ in ability to attract member of opposite sex Intrasexual same sex differ in their ability to compete for mates territoriality & sperm competition mating plug mucus plug in genital chamber after insemination Mating signals Visual Auditory (stridulation in crickets) Tactile ovoviviparity eggs retained with female paedogenesis immature capable of producing offspring parthenogenesis zygote from unfertilized egg passive phases male attaches to female, no genital contact polyembryony more than one embryo from 1 egg prolonged cupulation prevents other males from inseminating sperm precedence displacing ejaculate of previousmales viviparity same as ovoviviparity only young are born fully developed
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