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

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2/10/14 1 Insect Recogni1on M. Rei Scampavia Dr. Ed Lewis 2/10/2014 ENT 104 Insects are not people! Anthropomorphize : to ascribe human traits and/or personali1es to nonhumans NO: “want” “think” “feel” “believe” Outline What is recogni1on? Sociality Ma1ng
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2/10/14 2 What is recogni1on? Recogni/on : iden1fica1on of an item previously encountered Associa1ve learning Innate Insect recogni/on : one insect recognizes another Modes of Recogni1on Visual Chemical Tac1le Auditory Outline What is recogni1on? Sociality Ma1ng
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2/10/14 3 Social Insects and Recogni1on Why might recogni1on be par1cularly important in social insects? Social Insects and Recogni1on Repeated encounters Social Insects and Recogni1on Reciprocity Iden1fying cheaters Coopera1ve tasks Kin selec1on Caste/reproduc1ve enforcement
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2/10/14 4 Nestmate recogni1on Coopera1ve tasks Foraging Brood care Colony defense Compe11on for resources Mechanisms of Nestmate Recogni1on Chemical cues (mostly tac1le) Cu1cular hydrocarbons (CHCs) Hydrocarbons Transferred through contact Honey bees – wax comb Some termites – trophallaxis www.bugguide.net Nestmate Recogni1on ‐ Ants First line colony defense “Colony odor” ‐ unique CHC blend Antenna1on – compare “self‐smell” to “other‐smell” h_p://www.antwiki.org
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2/10/14 5 Supercolonies‐ Argen1ne Ants (
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