Arla tenuicornis
Clarke, 1942
Arla tenuicornis is a small described by Clarke in 1942. It is known from the Pacific coastal region of the western United States, with records from Washington southward to California. The is characterized by its relatively modest size, with a wingspan of 17–23 mm, and distinctive patterning featuring a yellowish ground color heavily speckled with fuscous.
Pronunciation
How to pronounce Arla tenuicornis: /ˈɑːr.lə ˌtɛ.njuːˈkɔːr.nɪs/
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Identification
The combination of small size, yellowish heavily speckled with fuscous to appear dull light , three fuscous spots on the forewing, and uniformly fuscous distinguishes this from other western North . The specific epithet 'tenuicornis' (slender-horned) may refer to relatively thin , though this trait requires verification.
Images
Distribution
United States: Pacific coastal region from Washington to California. Records indicate a north-south range spanning approximately 800 km along the western seaboard.
Similar Taxa
- Other Arla speciesCongeneric share general but differ in pattern details; precise comparisons require examination of and original descriptions.
- Gelechiidae with fuscous-spotted yellowish forewingsSeveral western North exhibit similar coloration; reliable identification requires examination or reference to Clarke's original description.
More Details
Nomenclatural note
The specific epithet 'tenuicornis' is Latin for 'slender-horned,' likely referring to , though the original description should be consulted for confirmation.
Collection records
GBIF distribution records confirm presence in the United States with multiple data points, though precise locality details beyond the state-level range (Washington to California) are not specified in available sources.