Plagiomimicus expallidus
Grote, 1883
Plagiomimicus expallidus is a of owlet moth in the Noctuidae, described by Augustus Radcliffe Grote in 1883. It is one of approximately 30 described species in the Plagiomimicus, which belongs to the Stiriinae. The species is documented from western and central Canada, with records from Alberta, Manitoba, and Saskatchewan. Like other members of its genus, it is a species attracted to light sources.

Pronunciation
How to pronounce Plagiomimicus expallidus: //ˌpleɪ.dʒi.oʊˈmɪm.ɪ.kəs ɛkˈspæl.ɪ.dəs//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of Plagiomimicus can be distinguished from related noctuids by forewing pattern elements including a distinct spot and spot configuration. Within the , identification relies on subtle differences in forewing coloration, maculation pattern, and size. Plagiomimicus expallidus is characterized by relatively pale, washed-out forewing coloration compared to , consistent with its specific epithet meaning 'very pale' or 'washed out.' Accurate identification to species level typically requires examination of genitalia characters.
Images
Habitat
Documented from dry, mixed conifer forest at elevations around 7,000 feet, where associated vegetation includes oaks and conifers. The has been collected using blacklight and porch light setups, indicating activity in forested environments.
Distribution
North America. Documented from western and central Canada: Alberta, Manitoba, and Saskatchewan. The appears to have a prairie and distribution pattern, though precise range limits remain poorly defined due to limited collection records.
Behavior
; attracted to artificial light sources including blacklights and porch lights. This is consistent with the majority of Noctuidae .
Similar Taxa
- Plagiomimicus dimidiataSimilar size and general forewing pattern, but distinguished by darker, more contrasting maculation and different spot configuration. P. dimidiata shows a more pronounced division between light and dark areas on the forewing.
- Other Plagiomimicus speciesApproximately 30 in the share general Stiriinae characteristics including forewing shape and spot patterns; species-level separation requires detailed examination of genitalia and subtle maculation differences.
More Details
Taxonomic Authority Note
Sources vary on authorship year: Catalogue of Life and GBIF cite Grote, 1883; NCBI cites Grote, 1882. The 1883 date is generally accepted for this description.
MONA/Hodges Number
9752