Helicoverpa zea (corn earworm/bollworm) pyrethroid resistance monitoring update for Sep. 22, 2016

Despite the rain, we were able to capture and evaluate 153 H. zea moths this week in the Suffolk, VA cypermethrin adult vial tests, with 37.5% surviving the 24-hour exposure to the 5 microgram rate of cypermethrin.  This brings the seasonal average to 42.4% survival, with 1,705 moths tested.

AVT_22_Sep_2016_b