
Community identification
Puss Caterpillar
Megalopyge opercularis
- Order & Family
- Lepidoptera, Megalopygidae
- Size
- 1 inch to 1.5 inches
Natural Habitat
Forests, woodlands, and urban areas with shade trees such as oak, elm, and citrus
Diet & Feeding
Leaves of various shade trees and shrubs, particularly oak and elm
Behavior Patterns
Solitary caterpillars that feed on foliage; when disturbed, they curl up or remain motionless. They spin a tough, oval cocoon in the fall to pupate into the Southern Flannel Moth.
Risks & Benefits
High risk: It is considered the most venomous caterpillar in North America. The long, hair-like setae conceal toxic spines that can cause severe pain, swelling, burning, nausea, and headaches upon contact.