Pyrausta borealis
Packard, 1867
Northern Pyrausta Moth
Pyrausta borealis is a small crambid found across northern North America, from Newfoundland to Alaska. The inhabits forests and has a wingspan of 14–18 mm. are active from mid-May to mid-July. The species was formerly treated as a of Pyrausta subsequalis.
Pronunciation
How to pronounce Pyrausta borealis: /pɪˈraʊ.stə bɔˈrɪə.lɪs/
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Distinguished from Pyrausta subsequalis by taxonomic revision; formerly considered a . Separation from other small Pyrausta in the region likely requires examination of genitalia or molecular markers, though specific diagnostic characters are not documented in available sources.
Appearance
Small with wingspan of 14–18 mm. As a member of the Crambidae , it possesses the elongated labial palps (snout-like mouthparts) characteristic of snout moths. Specific coloration and wing pattern details are not documented in available sources.
Habitat
forests. Specific microhabitat preferences (e.g., understory vegetation, elevation range) are not documented.
Distribution
North America: Newfoundland and Labrador west to British Columbia, north to Alaska and the Yukon. Distribution corresponds to the North American zone.
Seasonality
on wing from mid-May to mid-July. likely tied to spring and early summer conditions.
Similar Taxa
- Pyrausta subsequalisFormerly treated as (); now recognized as distinct . Historical confusion in literature and collections.
- Pyrausta signatalisCongeneric with similar size and preferences in some overlapping ranges; distinguished by plant associations (P. signatalis feeds on Monarda) and likely genitalic differences.
More Details
Taxonomic History
The was formerly treated as a of Pyrausta subsequalis, but is now recognized as a valid species. This revision may affect interpretation of older literature.