Jacob Pithan

Jacob Pithan is a PhD candidate working in Dr. Greenlee’s lab under the guidance of both Dr. Kendra Greenlee and Dr. Giancarlo Lopez-Martinez at North Dakota State University. Jacob’s favorite part about science is the continuous pursuit of the unknown, the infinite possible questions, and how science instills a sense of curiosity in people.  He…

Size constrains oxygen delivery capacity within but not between bumble bee castes

Rikki Walter, Joseph P Rinehart, Michael Dillon, Kendra Greenlee Published: August 14, 2021 Abstract Bumble bees are eusocial, with distinct worker and queen castes that vary strikingly in size and life-history. The smaller workers rely on energetically-demanding foraging flights to collect resources for rearing brood. Queens can be 3 to 4 times larger than workers,…

Environmental impacts on diapause and survival of the alfalfa leafcutting bee, Megachile rotundata

Elisabeth S. Wilson, Claire E. Murphy, Covey Wong, Joseph P Rinehart, George D. Yocum, Julia H Bowsher Published: August 3, 2021 Abstract Megachile rotundata exhibits a facultative prepupal diapause but the cues regulating diapause initiation are not well understood. Possible cues include daylength and temperature. Megachile rotundata females experience changing daylengths over the nesting season…