- Agapostemon virescens is communal based on the same reference - with some solitary nests. Semisocial is a reproductive division of labour among individuals ofMessage 1 of 3 , Jul 5, 2012View SourceAgapostemon virescens is communal based on the same reference- with some solitary nests.Semisocial is a reproductive division of labour among individuals ofthe same generation,communal is nest sharing with each individual acting as if solitary withinthe nest - ie digging, provisioning and ovipositing in their own brood cells.Of course, how much interference and cheating there may be in such"communal" nests is largely unknown. Though reports of fights atnest entrances, rather than welcoming "with open arms" (or more accuratelyopen mouthparts to permit food exchange as is known for Australiancommunal bees - Kukuk papers), have been made but not, to myknowledge, studied in any detail.cheerslaurence
From: Doug Yanega <dyanega@...>
Sent: Thursday, July 5, 2012 11:57:35 AM
Subject: Re: [beemonitoring] Bee nests: Lithurgus chrysurus and Halictid
In Pennsylvania, any bees about 1 cm long with green heads and thorax>On a related note, my friend has a small aggregation of halictid
>nests in his yard (photo attached). Is it possible to tell whether
>these are Agapostemon females guarding the nest? There are four
>entrances at the surface, does anyone know if they connect
>underground? Are they technically "semi social"?
and a black abdomen are Agapostemon virescens, which is reported to
be semisocial. Abrams & Eickwort published on their biology.
Doug Yanega Dept. of Entomology Entomology Research Museum
Univ. of California, Riverside, CA 92521-0314 skype: dyanega
phone: (951) 827-4315 (standard disclaimer: opinions are mine, not UCR's)
"There are some enterprises in which a careful disorderliness
is the true method" - Herman Melville, Moby Dick, Chap. 82