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14 July 2015 Description of the male, new geographical record, and biological notes on the small resin bee Hypanthidioides (Ctenanthidium) bifasciata (Urban, 1993) (Hymenoptera: Megachilidae)
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Abstract

We describe and figure the previously unknown male of Hypanthidioides (Ctenanthidium) bifasciata (Urban, 1993) based on specimens reared from a trap nest along with a female. This species, originally known only from the type specimen collected in Colonia, Uruguay, is also newly recorded from Buenos Aires, Argentina. We provide for the first time information on the nest structure and, based on the analysis of pollen grains from brood cells, record five host plant species belonging to the families Apiaceae, Asteraceae, Brassicaceae, and Fabaceae. Most pollen grains belong to an undetermined species of the genus Melilotus L. (Fabaceae).

Leopoldo J. Alvarez, Mariano Lucia, Silvana P. Durante, Lilian M. Passarelli, and Victor H. Gonzalez "Description of the male, new geographical record, and biological notes on the small resin bee Hypanthidioides (Ctenanthidium) bifasciata (Urban, 1993) (Hymenoptera: Megachilidae)," The Pan-Pacific Entomologist 91(2), (14 July 2015). https://doi.org/10.3956/2015-91.2.184
Received: 24 March 2015; Published: 14 July 2015
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