Loxostege immerens
Harvey, 1875
Loxostege immerens is a small crambid described by Leon F. Harvey in 1875. It is known from California, where have been recorded flying in January and from March through June. The has a wingspan of approximately 20 mm, with distinctive blackish gray forewings and deep orange yellow hindwings. It belongs to a whose caterpillars are known to be preyed upon by certain mason wasps.
Pronunciation
How to pronounce Loxostege immerens: //lɔkˈsɒstɛdʒ ɪˈmɛrɛnz//
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Identification
Distinguished from similar Loxostege by combination of blackish gray forewings and deep orange yellow hindwings. The specific wing coloration separates it from the more widely distributed Alfalfa Webworm (Loxostege cereralis) and other congeneric species in California. Accurate identification may require examination of genitalia or other microscopic characters.
Appearance
Small with wingspan approximately 20 mm. Forewings blackish gray. Hindwings deep orange yellow. and additional pattern details not documented in available sources.
Habitat
Specific preferences not documented. As a member of Loxostege, likely associated with herbaceous vegetation in open or semi-open environments. plant relationships unknown for this .
Distribution
Recorded from California, North America. No additional state or country records found in available sources.
Seasonality
active in January and from March to June. suggests potential or multivoltine , though complete cycle not documented.
Life Cycle
Complete with , larval, pupal, and stages. Specific details of stages, including plants and number of per year, not documented.
Behavior
fly during winter and spring months. Specific including mating, oviposition, and larval habits not documented.
Ecological Role
Larval stage likely herbivorous, though plants unconfirmed. Caterpillars of Loxostege have been documented as prey for the mason wasp Euodynerus annulatus, suggesting this may serve as food for .
Human Relevance
No documented economic importance. Not known as agricultural pest. Potential indirect relevance through role in supporting natural enemy .
Similar Taxa
- Loxostege cereralis (Alfalfa Webworm)Widespread congeneric with different wing pattern and coloration; L. immerens distinguished by blackish gray forewings and deep orange yellow hindwings versus more uniform grayish or brownish appearance in L. cereralis
- Other Loxostege speciesSeveral occur in western North America; accurate separation often requires genitalia examination or dissection