Species Details

Occidentalia comptulatalis

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

SeasonalityMid July to August. IdentificationA medium sized crambid (23-26 mm wingspan). Forewings chocolate brown (dark fuscous), lacking a longitudinal median silver white stripe and a white stripe in the costal margin, but having terminal dark brown dots. The hind wings are also chocolate brown. Also known as Acigona comptulatalis. Somewhat similar to Catoptria maculalis but the latter has two light blotches in the forewings as well as shorter wings. Also similar to Neodactria luteolella and N. caliginosella but the forewing apex in them is more sharply angled and is even slightly produced.

Scientific Name Occidentalia comptulatalis Seasonality Mid July to August. Identification
A medium sized crambid (23-26 mm wingspan). Forewings chocolate brown (dark fuscous), lacking a longitudinal median silver white stripe and a white stripe in the costal margin, but having terminal dark brown dots. The…
A medium sized crambid (23-26 mm wingspan). Forewings chocolate brown (dark fuscous), lacking a longitudinal median silver white stripe and a white stripe in the costal margin, but having terminal dark brown dots. The hind wings are also chocolate brown. Also known as Acigona comptulatalis. Somewhat similar to Catoptria maculalis but the latter has two light blotches in the forewings as well as shorter wings. Also similar to Neodactria luteolella and N. caliginosella but the forewing apex in them is more sharply angled and is even slightly produced.
Life History Comes to light. Single brooded. Conservation Not common, but probably of no concern. Diet Info Scirpus acutus, S. americanus and S. validus (Frohne 1939). Range
A North American species. Fernald (1896) has it from Illinois, Missouri, Colorado, Nebraska and Vancouver Island, British Columbia. Also known from New York (Forbes 1923), South Dakota (McDaniel et al 1984) and…
A North American species. Fernald (1896) has it from Illinois, Missouri, Colorado, Nebraska and Vancouver Island, British Columbia. Also known from New York (Forbes 1923), South Dakota (McDaniel et al 1984) and Michigan (Scholtens 1996, Nielsen 1998). In Alberta, it has been found in the prairies and aspen parkland.

Citation

Page Citation for Occidentalia comptulatalis

Page Citation

"Occidentalia comptulatalis, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2906. Accessed 25 Jul. 2021.

Taxonomic Hierarchy

Kingdom Animalia Phylum Arthropoda Class Hexapoda Subclass Insecta Order Lepidoptera Suborder Ditrysia Superfamily Pyraloidea Family Crambidae Subfamily Crambinae Genus Occidentalia Species Occidentalia comptulatalis
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