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Medford, Oregon

Beat Trays

30 limbs are sampled with a beat tray at each plot. Psylla adults and natural enemies are counted. Natural enemies include: predatory bugs (Deraeocoris, Campylomma, minute pirate bugs, damsel bugs, big-eyed bugs), Trechnites wasps, earwigs, lacewings, ladybeetles, and spiders.

This work is supported by a grant from the National Institute of Food and Agriculture (2019-70006-30443).

Washington State University