Diana Pilson University of Nebraska dpilson1@unl.edu

STUDENTS

Holly Prendeville (PhD student) is studying the ecological effects of transgene expression in wild populations of Cucurbita pepo.

Tarek Elnaccash (MS 2004) studied the evolution of sexual dimorphism in Croton texensis.

Matt Paulsen (MS 2002) investigated interspecific competition in sunflower achene feeding insects. His work related to the ecological and evolutionary consequences of the escape of transgenes.

Eric Sundvall (MS student) is interested in variation in competitive environment and constraints on the evolution of resistance to herbivory in wild sunflower.

Karin Decker (MS 1997) examined the hypothesis that fluctuations in sex ratios in Croton texensis could be caused by environmental sex determination together with year to year variation in environmental conditions.

FIELD CREWS

Nanci Ross, Amy Voss, Eric Sundvall, Angie Anderson, Karin Decker, and Diana	Nanci Ross
1996 Field Crew

1998 Field Crew	1999 Field Crew
Nick Pleskac, Matt Paulsen, Sara Morgan, Eric Sundvall	Nick Pleskac, Matt Paulsen

2000 Field Crew	2001 Field Crew
Amy Satathite, Ginger George (above), Matt Paulsen, Tarek Elnaccash (not pictured).	Matt Paulsen, Mike Reagon, Lesley Campbell, Ginger George (not pictured)

2002 Field Crew	2003 Field Crew
Matt Paulsen and Kjarstin Carlson	Kjarstin Carlson and Holly Prendeville

2004 Field Crew	2005 Field Crew
Matt Paulsen and Kjarstin Carlson	Lydia Fiedler