research
Observations on the bionomics of the bee Andrena (Tylandrena) erythrogaster Ashmead (Hymenoptera: Andrenidae) with notes on A. (Micrandrena) personata Robertson and A. (Holandrena c. cressonii Robertson
- Publication date
- 1 January 1988
- Publisher
- Champaign, Ill. : Illinois Natural History Survey