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Petal necrosis from western flower thrips, Frankliniella occidentalis, feeding on rose bud.

Side view of greenhouse-grown rose bud with brown and black necrosis on distorted unopened red petals due to western flower thrips feeding. San Mateo Co. by JKC Credit: Jack Kelly Clark — Petal necrosis from western flower thrips, Frankliniella occidentalis, feeding on rose bud. Credit: Jack Kelly Clark

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