22SocInsects - Announcements D e a d lin e s In s e c t c o...

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1 Announcements • Deadlines – Insect collection May 14 (morning) – Field Journal May 14 (morning) – Lab notebook due at Final Exam • Extra time for collection – Today from 12:00-1:30 – Tuesday a.m. 9:30-11:30 • Need quiz 2 scores, version in spreadsheet file missing Aggregations as subsocial behavior – food exploitation • bark beetles – roosting • Aposematism –monarch butterflies –ladybird beetles – chemical defenses –Sawflies – parental care Subsocial Aphids and Thrips • Aphids – Behavioral and morphological differences – Soldiers • All first instar – molt into normal feeding individuals – Reproduction delayed if molt is delayed • Special caste of soldiers • Gall making Thrips – Dispersers & soldiers in colony in gall – Soldiers defend gall against other thrip species and usually reproduce less than dispersers http://www.aist.go.jp/aist_e/latest_research/2004/20040803/20040803.html Soldiers injecting venom into predatory lacewing larva Pictures from Michael Schwarz lab in Australia
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This note was uploaded on 03/02/2012 for the course BIOLOGY 323 taught by Professor Rank during the Spring '08 term at Sonoma.

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22SocInsects - Announcements D e a d lin e s In s e c t c o...

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