Thrips attracted to white surfaces

We received a call from a customer about thousands of tiny bugs all over the white house trim. When I arrived to get samples, most were gone, but the homeowner did collect a few. See images below.

Thrips are minute, flower-feeding insects. When their flowers start to die off, the trips are forced to fly and find more white flowers (if that is the flower color that species prefers). In this case, there were no more flowers, and the thrips were attracted to the whit trim.

30 May 2019, Groveland California.

 

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