Species Details

Drasteria perplexa

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

Common NamePerplexing Arches SeasonalityAdults are on the wing from late May into June. IdentificationForewing brown-grey with a paler postmedian patch; AM bad not discernible, with the basal half of the forewing concolourous. Marginal area paler brown-grey. Hindwing orange with a black margin and postmedian band, black discal crescent reduced and generally not connected to PM band. The even, unmarked basal half of the forewing and ochre-orange hindwing distinguish the Perplexed Arches from other species in the province.

Scientific Name Drasteria perplexa Common Name Perplexing Arches Habitat Dry, short-grass prairie. Seasonality Adults are on the wing from late May into June. Identification
Forewing brown-grey with a paler postmedian patch; AM bad not discernible, with the basal half of the forewing concolourous. Marginal area paler brown-grey. Hindwing orange with a black margin and postmedian band,…
Forewing brown-grey with a paler postmedian patch; AM bad not discernible, with the basal half of the forewing concolourous. Marginal area paler brown-grey. Hindwing orange with a black margin and postmedian band, black discal crescent reduced and generally not connected to PM band. The even, unmarked basal half of the forewing and ochre-orange hindwing distinguish the Perplexed Arches from other species in the province.
Life History Comes to light, and not known to be day-active. This species has a local occurrence in Alberta, and is known only from the southern prairie region. Conservation Limited distribution in Canada. Diet Info Unknown. Range
Alberta south to AZ (Richards 1939). Hooper (1990) states there is a specimen from Estuary, SK in the CNC but I was unable to locate this specimen; nonetheless, perplexa should occur in SK. Known as far north as the…
Alberta south to AZ (Richards 1939). Hooper (1990) states there is a specimen from Estuary, SK in the CNC but I was unable to locate this specimen; nonetheless, perplexa should occur in SK. Known as far north as the Red Deer River badlands east of Trochu, AB.

Citation

Page Citation for Drasteria perplexa

Page Citation

"Drasteria perplexa, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2914. Accessed 29 Nov. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Noctuoidea Family Noctuidae Subfamily Catocalinae Genus Drasteria Species Drasteria perplexa
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