Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Family Limacodidae - Slug Caterpillar Moths

Hag Moth - Phobetron pithecium - female Packardia gracea - Lithacodes gracea Moth - Prolimacodes badia Parasa indetermina - male Apoda biguttata 4685 -- Purple-crested Slug Moth - Adoneta spinuloides Red-crossed Button Slug - Tortricidia pallida - Tortricidia pallida Beutenmueller's Slug Moth - Hodges #4675 - Isochaetes beutenmuelleri
Show images of: caterpillars · adults · both
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
No Taxon (Moths)
Superfamily Zygaenoidea
Family Limacodidae (Slug Caterpillar Moths)
Other Common Names
Slug Caterpillars (larvae)
Slug Moths (adults)
Explanation of Names
larvae move with a slug-like gliding motion
Numbers
50 species in 22 genera in North American listed at All-Leps
all North American genera in this family belong to subfamily Limacodinae
Size
wingspan 15-43 mm (1)
Identification
Adult: body stout, often hairy; wings broad, rounded, often brown or yellowish with contrasting forewing markings; head small, retracted; antennae bipectinate in male, at least in basal half; abdomen often elevated and recurved when at rest, but this posture is not unique to slug moths

Larva: body variably naked to densely hairy, usually with stinging hairs; may be green, brown, or various other colors - often bright and/or strikingly patterned; surface may be smooth, bumpy, or ridged, sometimes with spines or spine-covered fleshy protuberances giving a bizarre appearance
Food
Caterpillars feed on woody and herbaceous plants. (1)
Life Cycle
overwinters as a larva in loose oval cocoon
Print References
Covell, pp. 408-412 (1)
Internet References
live adult images of numerous species by various photographers (Moth Photographers Group)
Works Cited
1.Field Guide to Moths of Eastern North America
By Charles V. Covell, Jr.