Sphecomyia columbiana
Vockeroth, 1965
Columbian Yellowjacket Fly
Sphecomyia columbiana is a of in the Syrphidae, described by Vockeroth in 1965. The Sphecomyia is known for remarkably convincing , particularly of yellowjackets. The specific epithet 'columbiana' refers to its known distribution in Canada.
Pronunciation
How to pronounce Sphecomyia columbiana: /ˌsfɛkoʊˈmaɪə kəˌlʌmˈbiænə/
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Identification
Members of the Sphecomyia are distinguished from other by their exceptionally long and thick , which more closely resemble those of than typical dipteran antennae. They are approximately the size of a yellowjacket. The -level identification of S. columbiana requires microscopic examination; the genus contains multiple species with similar general appearance.
Images
Distribution
Canada.
Ecological Role
As a member of , the likely contributes to as an and may serve as for various . The is known for of , which may reduce pressure.
Similar Taxa
- Sphecomyia vittataCongeneric with similar yellowjacket-mimicking appearance and ; both share the distinctive long and -like pattern. S. vittata has been more frequently documented and observed in the eastern United States.
- Vespula maculifrons (Eastern Yellowjacket)The putative model for Sphecomyia ; of this are similar in size and general coloration. The can be distinguished by its single pair of (), long but non-, and lack of a constricted wasp waist.
More Details
Taxonomic note
Described by John R. Vockeroth in 1965. The Sphecomyia belongs to the subtribe Criorhinina within the tribe Milesiini.