David H. Collins

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The shift from solitary to social behavior is one of the major evolutionary transitions. Primitively eusocial bumblebees are uniquely placed to illuminate the evolution of highly eusocial insect societies. Bumblebees are also invaluable natural and agricultural pollinators, and there is widespread concern over recent population declines in some species.(More)
The Techniques Department is interested in publishing short descriptions of Techniques which improve the logistics of information processing. To quote from the policy statement, Communications of the A C M 1 (Jan. 1958), 5: "It is preferable that techniques contributed be factual and in successful usage, rather than speculative or theoretical. One of the(More)
In eusocial Hymenoptera (ants, bees and wasps), queen and worker adult castes typically arise via environmental influences. A fundamental challenge is to understand how a single genome can thereby produce alternative phenotypes. A powerful approach is to compare the molecular basis of caste determination and differentiation along the evolutionary trajectory(More)
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