Bug Identifier
Pear Slug (Cherry Leaf Beetle)
Community identification

Pear Slug (Cherry Leaf Beetle)

Caliroa cerasi

Order & Family
Hymenoptera, Tenthredinidae
Size
1/4 to 1/2 inch (6 to 12 mm)
See this bug in the Encyclopedia

Natural Habitat

Orchards and gardens where host plants like pear, cherry, plum, or hawthorn are present.

Diet & Feeding

Larvae feed on the upper surface of leaves, skeletonizing them by eating the green tissue and leaving only the veins.

Behavior Patterns

Larvae are covered in a sticky, dark slime to resemble a slug. After feeding, they drop to the soil to pupate. They typically produce two generations per year.

Risks & Benefits

Risks: Can cause significant defoliation and aesthetic damage to fruit trees. Benefits: Part of the ecosystem food web, providing a food source for predatory insects and birds.