Pollen Species Resources for Xylocopa (Nyctomelitta) tranquebarica (F.) A Night-Flying Carpenter Bee (Hymenoptera: Apidae) of Southeast Asia

Michael Burgett,a* Prachaval Sukumalanandb and Günter Vorwohlc

ABSTRACT: In northern Thailand the pollen species resources for the nocturnally foraging carpenter bee Xylocopa (Nyctomelitta) tranquebarica (F.) were found to be primarily indigenous tree species. The presence of anthropogenic (exotic) species capable of providing pollen was also evident. X. (N.) tranquebarica displays polylecty in its pollen foraging with at least 27 plant families represented in sampled pollen stores from 15 foundress female bees.

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^a Department of Horticulture, Oregon State University, Corvallis, OR, 97331, USA.
^b Department of Entomology, Chiang Mai University, Chiang Mai, 50200, Thailand.

* Corresponding author, E-mail: burgettm@science.oregonstate.edu

Received 22 Mar 2004, Accepted 17 Nov 2004