Species Details

Catocala ultronia

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

Common NameDark Red Underwing, Ultronia Underwing SeasonalityAdults are on the wing in early August in Alberta. IdentificationA medium-sized (4.6-6.0 cm wingspan) moth with dark forewings and red and black hindwings. The forewings are a smooth, dark rich chocolate and grey brown with several fine erratic horizontal lines. A narrow patch along the costa at the apex is lighter brown. The hindwings are deep red-orange, almost scarlet, and are crossed by a complete black median line and a wider black terminal band. The basal area is covered with long black hairs, and the fringes are mostly dark. Both the sexes are similar. The antennae are filiform. Ultronia cannot be mistaken for any other Alberta Catocala.

Scientific Name Catocala ultronia Common Name Dark Red Underwing, Ultronia Underwing Seasonality Adults are on the wing in early August in Alberta. Identification
A medium-sized (4.6-6.0 cm wingspan) moth with dark forewings and red and black hindwings. The forewings are a smooth, dark rich chocolate and grey brown with several fine erratic horizontal lines. A narrow patch…
A medium-sized (4.6-6.0 cm wingspan) moth with dark forewings and red and black hindwings. The forewings are a smooth, dark rich chocolate and grey brown with several fine erratic horizontal lines. A narrow patch along the costa at the apex is lighter brown. The hindwings are deep red-orange, almost scarlet, and are crossed by a complete black median line and a wider black terminal band. The basal area is covered with long black hairs, and the fringes are mostly dark. Both the sexes are similar. The antennae are filiform. Ultronia cannot be mistaken for any other Alberta Catocala.
Life History The adults are nocturnal and come to light, but are more likely to be taken at sugar baits. Larvae are solitary defoliators. The egg is the overwintering stage. There is one brood per year. Conservation Scarce in Alberta, at the northern edge of its range. No immediate concerns. Diet Info No Alberta data. Elsewhere reported to use members of the Rosacea, including apple (Malus) and wild cherries (Prunus sp.). Range
Ultronia occurs throughout much of eastern North America, south to Florida and Texas. It ranges west across the southern parts of Canada to extreme southeast British Columbia. In Alberta, it occurs mainly in dry…
Ultronia occurs throughout much of eastern North America, south to Florida and Texas. It ranges west across the southern parts of Canada to extreme southeast British Columbia. In Alberta, it occurs mainly in dry shrubby woodland edge along the river valleys of the plains, north to Dinosaur Provincial Park.

Citation

Page Citation for Catocala ultronia

Page Citation

"Catocala ultronia, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-813. Accessed 20 Jun. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Noctuoidea Family Noctuidae Subfamily Catocalinae Genus Catocala Species Catocala ultronia
This hierarchy is created from our museum records, it may not always accurately reflect modern taxonomies.

Taxonomic Hierarchy for University of Alberta E.H. Strickland Entomological Museum