Bean Thrips
Caliothrips fasciatus
Adult Bean Thrips are tiny (0.03" in length) with dark grayish-black cigar-shaped bodies.
This species of thrips prefers to feed on the flower of the plant; they remove plant cell contents and also feed on the pollen. When infested with thrips the leaves of the plant will appear brownish and/or silvery where they have fed. Adults lay their eggs in the leaf tissue, and population is highest when it is warm and dry.
They are found in Alabama, Arizona, California, Florida, Idaho, Louisianna, Nevada, Texas, South Carolina, Wyoming and throughout Mexico. Monitoring is an important part of control. Use Green Sticky Traps to monitor and begin reducing the reproductive cycle of the thrips. Sprays with pyrethrins will help control the population.
For control products and more information please see our Thrips Control page.
Photo courtesy of: San Joaquin Valley Agricultural Sciences Center.-
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