Jack pine budworm

Choristoneura pinus

Young jack pine budworm caterpillars are yellowish-brown and less than 1/2 inch long. Older caterpillars are reddish-brown with creamcolored spots along the sides. They have a characteristic black head and a black plate immediately behind the head. Full-grown caterpillars are about 1 inch long.
Adult moths are 3/4 inch in length and reddishbrown in color, with white markings on the front wings. Eggs are green and laid in masses of about 40 eggs on needles. The eggs remain on needles following hatch, becoming translucent white in color.

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