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Aphid and Thrips Monitoring Program

Aphid and Thrips Phenology

We have set up several yellow sticky cards along the Salinas Valley to capture and record wing-aphids flying and thrips in our system. Corteva Agriscience has provided partial funding for the insect trapping network.

The graphs below illustrate the population fluctuation of these two pests in the Salinas Valley. Counts are not broken by species. We report the overall captures per week.


2019 - 2020 Thrips phenology

Thrips Graph May20


2019 - 2020 Aphid phenology

Aphid Graph May20


2019 Aphid phenology



2019 Thrips phenology