Sampling for larvae of fruittree leafroller, Archips argyrospila, with a 1/4 meter L-shaped PVC counting frame.

Fruittree leafroller sampling for larvae, scout inspecting citrus canopy through 1/4 m L-shaped white PVC counting frame. UC Wolfskill Yolo Co.  Credit: Jim West
Sampling for larvae of fruittree leafroller, Archips argyrospila, with a 1/4 meter L-shaped PVC counting frame. Credit: Jim West