Areawide Insect Trapping Network (Februaty 6, 2019)
Our area-wide trapping network is up and running. The project is designed to measure the activity and movement of adult populations of a number of
key pests. The project is being funded by the Arizona Iceberg Lettuce Research Council, and will hopefully provide an indication of when pest activity
(e.g., corn earworm moth flights) is increasing based on pheromone/sticky trap captures. The data is not intended to indicate field infestations, as
trap data is largely a reflection of adult movement. If nothing else, the data may make PCAs aware of increased pest activity in some areas and
encourage intensified scouting in susceptible produce fields. The pests being monitored include: corn earworm, tobacco budworm, beet armyworm, cabbage
looper using pheromone traps; aphids, thrips and whiteflies using yellow sticky traps. A total of 15 trapping locations have been established. Traps
will be checked weekly and data will be made available in the bi-weekly Vegetable IPM updates. If a PCA or grower is interested in weekly counts,
those can be made available by contacting us.
Results of pheromone and sticky trap catches can be viewed here .
Corn earworm: Moth activity remains seasonably low, but noticeably increased in the North Yuma Valley.
Beet armyworm: Moth activity increased over the past 2 weeks, particularly in Dome Valley, and counts are above average for this time of the year.
Cabbage looper: Similarly, cabbage looper moth activity increased in the Dome Valley, and remains above average for this time of the year.
Whitefly: Adult movement is relatively absent; typical for this time of the season.
Thrips: Thrips activity remains seasonably low; trending lower than average.
Aphids: Area-wide aphid flights still active, particularly in the Gila Valley, and North Yuma Valley; above average for this time of the year.
Leafminers: Adult activity remains seasonably low in all locations.
Diamondback moth: Across all locations, trap counts remain higher during January 2019 than trap counts recorded this time last year. However, counts in 2017 were ~3X greater than the present numbers. (See DBM Trap Network).
To contact John Palumbo go to: email@example.com
For questions or comments on any of the topics please contact Marco Pena at the Yuma Agricultural Center.
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