Oral Session #4: Herbivore Responses to Plants.

Presiding: M.P. Sanford, Idaho State University.
Sunday, August 6, 2000
8:00 AM to 12:15 PM
Maybird Room - Cliff Lodge

8:00 AM	The impact of parasitoids and plant spacing on the spread of insect outbreaks. UMBANHOWAR, J. , A. HASTINGS
8:15 AM	Population-level variation in herbivore performance on a toxic seaweed: A mechanistic and phylogenetic approach. SOTKA, E. , M.E. HAY
8:30 AM	Allometric scaling exponents: A test with invertebrates. CUDDINGTON, K. , D. VASSEUR, W. CURRIE, P. YODZIS
9:00 AM	Host plant selection in a guild of cactus-specialist bees: Pollen preferences of females foraging for larval provisions. MCINTOSH, M.E.
9:15 AM	Nectar requirements affect pollen foraging of a solitary bee: Exploration using linear-programming models. WILLIAMS, N.M.
9:30 AM	Consequences of enriched CO2 and O3 for forest insects. LINDROTH, R.L. , B.J. KOPPER, C.S. AWMACK
9:45 AM	Host plant influence on movement patterns and the subsequent distribution of Lygus rugulipennis (Heteroptera: Miridae) nymphs. HANNUNEN, S. , B. EKBOM
10:00 AM	Break
10:15 AM	Contrasting effects of plant diversity and composition on insect abundances. HADDAD, N. , D. TILMAN, J. HAARSTAD, M. RITCHIE and J. KNOPS
10:30 AM	Patch isolation and priority effects and the structure of arthropod communities inhabiting creosote bush (Larrea tridentata) in central Arizona. RANGO, J.J.
10:45 AM	Potential ecological effects of Bt transgenes in wild plants. LETOURNEAU, D.K.
11:00 AM	When does migration matter in managing multiple populations? HUDGENS, B.
11:30 AM	A new technique evaluating host suitability in Ophraella communa, an exotic natural enemy of hogweed. KAWABE, S.
12:00 PM	Trophic cascades in tropical versus temperate systems. DYER, L.A.