Raspberries: Tarnished Plant Bug

Tarnished Plant BugsĀ (Lygus lineolaris) feed on flowers and developing fruit and are a common cause for crumbly, misshapen fruit

Unripe raspberry with an insect sitting on drupelets. Insect resembles a stinkbug nymph, with an obovoid body attached to a triangular head. Insect is mostly green, but has two black sections on its back where wings might be. Insect has small, black, circular eyes. Insect is the size of 3 raspberry drupelets.
Tarnished plant bug (Lygus lineolaris) nymph on unripe raspberry.

 

Ripe raspberry with an insect sitting on drupelets. Insect is mostly brown, with a trapezoid-shaped body. The abdomen has three golden-yellow triangle-shaped marks, two near the base of the wings, and one at the junction of the thorax and the abdomen. Insect has a small head and L-shaped brown antenna.
Tarnished plant bug (Lygus lineolaris) adult on raspberry.

 

Five raspberry fruit, with stem attached, in varying stages of ripeness on black background. Riper fruit have brown discoloration on the drupelet surface, and discoloration is most prominent at the fruit tip. White fruit has greenish scarring on drupelet surface. Green fruit have brown discoloration scattered randomly across drupelets.
Tarnished plant bug damage on raspberry.

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