Pest Photo

Carole Cheah, Conn. Ag. Exp. station

Hemlock woolly adelgid lady beetle

Sasajiscymnus tsugae

Hemlock woolly adelgid lady beetle (Sasajiscymnus tsugae) is a beneficial insect. It is a native of Japan and was first detected in Massachusetts in 2000.

This ladybugs are specialist predators of aphids, scales, mealybugs, and adelgids.

For more information about this plant pest, see the CABI data sheet.