Euxoa bicollaris

Grote, 1878

Euxoa bicollaris is a noctuid in the Euxoa, characterized by a wingspan of approximately 32 mm. The is to western North America, with its core distribution in California and range extending northward to southern British Columbia. As a member of the cutworm moth group, its larvae likely exhibit typical feeding habits, though species-specific biological details remain poorly documented.

Euxoa bicollaris by (c) Jeremy deWaard. University of British Columbia., some rights reserved (CC BY). Used under a CC-BY license.

CATALOGUE-BM-LXVII by Sir GEORGE F. HAMPSON, Bart.. Used under a Public domain license.

CATALOGUE-BM-LXII by Sir GEORGE F. HAMPSON, Bart.. Used under a Public domain license.

Pronunciation

How to pronounce Euxoa bicollaris: //juːkˈsoʊə baɪkəˈlɛərɪs//

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Euxoa bicollaris can be distinguished from similar Euxoa by geographic distribution, being primarily restricted to California and adjacent regions. Definitive identification requires examination of genitalia or molecular analysis, as external overlaps with many congeneric species. The specific epithet 'bicollaris' may refer to distinctive collar markings, though this requires verification.

Images

Appearance

have a wingspan of about 32 mm. Specific coloration and pattern details are not well documented in available sources. As a member of the Euxoa, adults likely exhibit the drab, brownish coloration typical of noctuid cutworm moths, with forewings that may show variable patterning including lines and spots.

Distribution

Predominantly found in California, with range extending northward to the southern edge of British Columbia.

Similar Taxa

Euxoa auxiliarisBoth are Euxoa with western North American distributions; E. auxiliaris is larger, more widespread, and a major agricultural pest with well-documented , whereas E. bicollaris is restricted to California and adjacent regions with limited biological data.
Euxoa mimallonisSimilar size and western distribution; E. mimallonis has been recorded from Colorado and adjacent states, with attracted to ultraviolet light.