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Thrips damage
(John Obermeyer, Purdue University)
Common Name: Thrips - damage
See also: adult | larva

Scientific Name: Thysanoptera: several species

Status: pest of many plants, particularly in greenhouses

Damaging Stage: nymph and adult

Injury: Thrips prefer to feed on the youngest leaves of a plant. The plant cells are punctured by the rasping-sucking mouthparts, and plant cell sap is withdrawn. Damaged foliage eventually wilts and dies.

Action Threshold: Sticky traps can be used to detect thrips population levels. If thrips numbers are large, control options should be considered.

Management: Integrated Pest Management strategies using a combination of cultural, biological, and less-toxic chemical controls generally work best to manage thrips infestations.