@fern_dune_99
Austin, TX
Megalopyge opercularis
Southern Flannel Moth
The primary subject is identified as the larva of the Southern Flannel Moth based on its highly distinctive morphology. The teardrop or slug-like body shape, completely obscured by a dense, uniform coat of soft-looking, tawny-brown setae, is characteristic of this species, commonly known as the puss caterpillar or asp. The location in Austin, Texas, is well within its known range.
Field notes
Narrowly missed being crushed by a dog
Overview
Megalopyge opercularis is a moth of the family Megalopygidae. It has numerous common names, including southern flannel moth for its adult form, and puss caterpillar, asp, Italian asp, fire caterpillar, woolly slug, opossum bug, puss moth, tree asp, or asp caterpillar.
Read sourceObservation
Location
Austin, TX
Observed
October, 9:13 AM
Weather
Cloudy, 72F
Shared
October 4, 2026
Also known as
Taxonomy
Kingdom
Animalia
Phylum
Arthropoda
Class
Insecta
Order
Lepidoptera
Family
Megalopygidae
Genus
Megalopyge




