1. Environmental and social factors affecting gyne and brood physiology in the bumble bee Bombus impatiens Restricted (Penn State Only) Author: Barie, Katherine Title: Environmental and social factors affecting gyne and brood physiology in the bumble bee Bombus impatiens Graduate Program: Entomology (MS) Keywords: BombusCarbon dioxideSocial environmentPhysiologyBumble bee File: Login to Download Committee Members: Gary Felton, Program Head/ChairEtya Amsalem, Thesis Advisor/Co-AdvisorChristina M Grozinger, Committee MemberRudolf Johannes Schilder, Thesis Advisor/Co-AdvisorHeather M Hines, Committee Member