1. Determination of accumulation of degree days required for the emergence of Osmia cornifrons (Megachillidae) in Pennsylvania;Adams,2001
2. Developing and establishing bee species as crop pollinators: the example of Osmia spp. (Hymenoptera: Megachilidae) and fruit trees;Bosch;Bull. Entomol. Res.,2002
3. Life cycle ecophysiology of Osmia mason bees used as crop pollinators;Bosch,2008
4. Temperature requirements of some aphids and their parasites;Campbell;J. Appl. Ecol.,1974
5. Monitoring solitary bees in modified wildland habitats: implications for bee ecology and conservation;Frankie;Environ. Entomol.,1998