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For Insects, Spiders & Their Kin
For the United States & Canada
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Species Acronicta retardata - Retarded Dagger Moth - Hodges#9251

Caterpillar - gold & black & white with spikes - Acronicta retardata Caterpillar - Acronicta retardata 9251 Retarded Dagger  - Acronicta retardata Acronicta retardata Acronicta retardata? - Acronicta retardata large colorful CAT - Acronicta retardata Retarded Dagger Moth - Hodges#9251 - Acronicta retardata Retarded Dagger - Acronicta retardata
Show images of: caterpillars · adults · both
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Lepidoptera (Butterflies and Moths)
Superfamily Noctuoidea (Owlet Moths and kin)
Family Noctuidae (Owlet Moths)
Subfamily Acronictinae
Genus Acronicta (Dagger Moths)
Species retardata (Retarded Dagger Moth - Hodges#9251)
Hodges Number
wingspan 25-32 mm
Adult: forewing pale gray; AM line distinctly double, often with a black spot midway on its outer side; median area usually whitish
hindwing whitish with heavy gray shading and dark discal spot
[adapted from description by Charles Covell]

Larva: head and body with many black and white bands of about equal width; 4 red dorsal tubercles and 2 red lateral tubercles on each abdominal segment (and only 2 red dorsal tubercles on each thoracic segment); long white lateral filaments on each segment
[adapted from description by Pedro Barbosa]
Nova Scotia to Florida, west to Texas, north to Manitoba
deciduous woods containing food plants; adults may be attracted to light
adults fly from April to August
larvae feed on leaves of Red Maple and Sugar Maple
Life Cycle
multiple generations per year
Internet References
live adult images (Lynn Scott, Ontario)
adult images (Larry Line, Maryland)
live larva images (Auburn U., Alabama)
live larva image and description (Pedro Barbosa, U. of Maryland)
common name reference plus food plants and flight season (Ohio State U.)
presence in Texas; list (James Gillaspy, U. of Texas)