Soybean aphid suction trap Illinois suction trap locations. Nine sites, one trap per location. Dr. David Voegtlin Univ. of Illinois IL Natural History Survey Can we anticipate high soybean aphid years?
Eggs Summer population Spring Fall Migrants SOYBEAN BUCKTHORN Chris DiFonzo, MSU Entomology Department
Soybean aphid eggs overwinter on Buckthorn Soybean aphid eggs on Buckthorn Photo by D. Voegtlin Sept. – Oct. Trap Catch: Winged migrants (female & male) Moving from soybean to buckthorn. Size and success of this migration can influence population the following season.
Free. DeK. Mon. Urbana Perry Brown. Dixon Spr. 27 July August August August August August Sept Sept Sept Sept Oct Oct Illinois Suction Traps David Voegtlin, U of Ill Natural History Survey
Free. DeK. Mon. Urbana Perry Brown. Dixon Spr. 19 July July August August August August August Sept Sept Sept Sept Oct Oct Illinois Suction Traps David Voegtlin, U of Ill Natural History Survey
Free. DeK. Mon. Eur. Urbana Perry Brown. D. Spr. 4 July July July July August787 6, August1,9124, , August1, ,4031, ,5601, August1, , , , August , Sept Sept Sept Sept Oct Oct Oct.0005n.s.154 Illinois Suction Traps David Voegtlin, U of Ill Natural History Survey
Free. DeK. Jol. Mon. Eur. Urbana Perry Brown. D. Spr. 30 July August August August August Sept Sept Sept Sept Oct Oct Oct Oct Illinois Suction Traps David Voegtlin, U of Ill Natural History Survey
Illinois Suction Trap Trends Eileen Cullen – UW Extension, Entomology Fall 2001 Trap Catches Very Low 2002 Growing Season low soybean aphid year Fall 2002 Traps caught 700+ migrants 2003 Growing Season high soybean aphid year Fall 2003 Trap Catches again Very Low 2004 Growing Season very low soybean aphid year Fall 2004 Traps caught 1,765 migrants 2005 Growing Season ???? Scouting will be Critical.