Colonies of Bumble Bees (Bombus impatiens) Produce Fewer Workers, Less Bee Biomass, and Have Smaller Mother Queens Following Fungicide Exposure

by Olivia M. Bernauer, Hannah R. Gaines-Day, Shawn A. Steffan
Published 2015-06-01

Variable Isotopic Compositions of Host Plant Populations Preclude Assessment of Aphid Overwintering Sites

by Michael S. Crossley, Shawn A. Steffan, David J. Voegtlin, Krista L. Hamilton, David B. Hogg
Published 2017-12-01

A new insight into isotopic fractionation associated with decarboxylation in organisms: implications for amino acid isotope approaches in biogeoscience

by Yuko Takizawa, Yoshinori Takano, Bohyung Choi, Prarthana S. Dharampal, Shawn A. Steffan, Nanako O. Ogawa, Naohiko Ohkouchi, Yoshito Chikaraishi
Published 2020-09-01

Flight Synchrony among the Major Moth Pests of Cranberries in the Upper Midwest, USA

by Shawn A. Steffan, Merritt E. Singleton, Jayne Sojka, Elissa M. Chasen, Annie E. Deutsch, Juan E. Zalapa, Christelle Guédot
Published 2017-02-01

Microbial Diversity Associated with the Pollen Stores of Captive-Bred Bumble Bee Colonies

by Prarthana S. Dharampal, Luis Diaz-Garcia, Max A. B. Haase, Juan Zalapa, Cameron R. Currie, Chris Todd Hittinger, Shawn A. Steffan
Published 2020-04-01

Trophic hierarchies illuminated via amino acid isotopic analysis.

by Shawn A Steffan, Yoshito Chikaraishi, David R Horton, Naohiko Ohkouchi, Merritt E Singleton, Eugene Miliczky, David B Hogg, Vincent P Jones
Published 2013-01-01

Large bugs damage pistachio nuts most severely during midseason

by Kent M Daane, Glenn Y Yokota, Rodrigo Krugner, Shawn A Steffan, Paul G da Silva, Robert H Beede, Walter J Bentley, Gary B Weinberger
Published 2005-04-01