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Vegetable IPM Updates Archive
Cooperative Extension
Areawide Insect Trapping Network (October 31, 2018)
Results of pheromone and sticky trap catches can be viewed here.

Corn earworm: Moth activity remains high in some areas, particularly in Dome Valley. Highest counts we’ve observed in the past 6 years at this time of the season.

Beet armyworm: Moth activity is increasing with recent warm weather. Trap catches varied across locations with activity greatest in Dome Valley.

Cabbage looper: Cabbage looper activity still down compared to counts normally recorded this time pf the year.

Whitefly: Adult movement has slowed significantly; captures on sticky traps are very low in all traps.

Thrips: To date, thrips activity has been seasonably low at most trap locations. Increased activity near recently harvested melon fields.

Aphids: We are beginning to pick up aphids in traps, particularly in the Yuma Valleys consistent with wind’s coming predominantly out of the W-NW in the past two weeks.

Leafminers: Adult activity remains seasonably low in all locations, but increasing more so in fields where melons were recently harvested.

Diamondback moth: Diamondback moth (DBM) counts in pheromone traps have decreased in most trap locations over the past two weeks, but have increased in Tacna / Roll/ Wellton areas (See DBM Trap Network).
To contact John Palumbo go to:


For questions or comments on any of the topics please contact Marco Pena at the Yuma Agricultural Center.
College of Agriculture, The University of Arizona, Tucson, AZ.

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