Matthew MacManes, this is a reminder for
IB Seminar-The regulation of foraging in harvester ants
Thu Mar 13 4pm – 5pm
(Timezone: Pacific Time)
2060 VLSB (map)
Calendar: Bio Events
Deborah M. Gordon
Professor of Biology, Stanford University
ABSTRACT:
A 25-year study of a population of about 350 colonies of the red harvester ant (Pogonomyrmex barbatus) colonies in southeastern Arizona examines how colonies operate without central control and how colony behavior develops. Foraging is regulated by a network of interactions among workers. Workers respond to brief antennal contact in which they assess the task-specific hydrocarbon profile of their nestmates. Colonies vary in the sensitivity of foraging activity to fluctuations in food availability. Combining behavioral measures of foraging activity with data on the reproductive success of known, individual colonies, we are now asking whether how variation in foraging is related to reproductive success.
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