Mar 20, 2019
Areawide Insect Trapping Network (March 20, 2019)
Area wide Insect Trapping Network
VegIPM Update March 20, 2019
Corn earworm: Moth activity remains seasonably low, but noticeably increased again in
the North Yuma Valley. Below average compared with previous seasons.
Beet armyworm: Moth activity increasing comparable to fall numbers, particularly in Tacna, Dome Valley and Gila Valley; consistent with reports of larvae in fields. Slightly about average compared with previous seasons.
Cabbage looper: Similarly, cabbage looper moth activity increasing Tacna, Dome Valley
and Gila Valley and remains above average for this time of the year. Above average compared with previous seasons.
Whitefly: Adult movement is relatively absent; typical for this time of the season.
Thrips:Thrips activity remains seasonably low; but is increasing in the Yuma
Aphids: Area-wide aphid flights decreased in the last 2 weeks. Most aphids found on traps were green peach aphid. Below average movement compared with previous seasons.
Valley. Well below average compared with previous seasons
Aphids: Area-wide aphid flights decreased in the last 2 weeks. Most aphids found on traps were green peach aphid. Below average movement compared with previous seasons.
Leafminers: Adult activity remains seasonably low in all locations, and below average for this time of year.
Diamondback moth:
Diamondback moth (DBM) counts in pheromone traps trended downward over the past 2 weeks, and remained low in many locations with the exception of the N. Yuma Valley. Across all locations, trap counts remain higher now than trap counts recorded this time last year, but significantly lower than 2017 following the fall 2016 outbreak.
To contact John Palumbo go to: jpalumbo@ag.arizona.edu