Beameromyia disfascia
Martin, 1957
White-sided Pixie
Beameromyia disfascia is a of robber fly in the Asilidae, first described by Martin in 1957. It belongs to the Beameromyia, a group of small, often brightly colored robber flies commonly known as 'pixies.' The species is known from very few observations, with only three records documented on iNaturalist. As with other Asilidae, it is presumed to be a predatory fly, though specific ecological details remain poorly documented.
Pronunciation
How to pronounce Beameromyia disfascia: /biːˌmɛroʊˈmaɪə dɪsˈfæʃiə/
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Identification
Distinguished from other Beameromyia by the specific epithet 'disfascia,' which references a two-banded or divided fascia pattern on the . The 'White-sided Pixie' suggests pale lateral markings on the or abdomen. Accurate identification requires examination of abdominal patterning and comparison with , particularly Beameromyia venusta and other southwestern U.S. species.
Images
Distribution
Known from the southwestern United States, with records from Arizona. The Beameromyia is primarily distributed in arid and semi-arid regions of western North America.
Similar Taxa
- Beameromyia venustaClosely related with similar 'pixie' ; distinguished by abdominal pattern and distribution
- Other Beameromyia species members share small size, often metallic or patterned coloration, and arid preferences; precise identification requires detailed examination of abdominal fasciae