Feb+10+Lecture+revised

Feb+10+Lecture+revised - InsectRecogni1on M.ReiScampavia...

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2/10/14 1 Insect Recogni±on M. Rei Scampavia Dr. Ed Lewis 2/10/2014 ENT 104 Insects are not people! Anthropomorphize : to ascribe human traits and/or personali±es to nonhumans NO: “want” “think” “feel” “believe” Outline What is recogni±on? Sociality Ma±ng
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2/10/14 2 What is recogni±on? Recogni/on : iden±fca±on oF an item previously encountered Associa±ve learning Innate Insect recogni/on : one insect recognizes another Modes oF Recogni±on Visual Chemical Tac±le Auditory Outline What is recogni±on? Sociality Ma±ng
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2/10/14 3 Social Insects and Recogni±on Why might recogni±on be par±cularly important in social insects? Social Insects and Recogni±on Repeated encounters Social Insects and Recogni±on Reciprocity Iden±fying cheaters Coopera±ve tasks Kin selec±on Caste/reproduc±ve enforcement
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2/10/14 4 Nestmate recogni±on Coopera±ve tasks Foraging Brood care Colony defense Compe±±on for resources Mechanisms of Nestmate Recogni±on Chemical cues (mostly tac±le) Cu±cular hydrocarbons (CHCs) Hydrocarbons Transferred through contact Honey bees – wax comb Some termites – trophallaxis www.bugguide.net Nestmate Recogni±on ‐ Ants First line colony defense “Colony odor” ‐ unique CHC blend Antenna±on – compare “self‐smell” to “other‐smell” h_p://www.antwiki.org
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2/10/14 5 Supercolonies‐ Argen±ne Ants (
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Feb+10+Lecture+revised - InsectRecogni1on M.ReiScampavia...

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