Neoascia metallica
(Williston, 1882)
Double-banded Fen Fly
Neoascia metallica is a of ( ) found across North America. are commonly observed on flowers, where they feed on nectar and pollen. The species is known for its metallic coloration and association with wetland . are aquatic, a trait that distinguishes this species from many other syrphid .
Pronunciation
How to pronounce Neoascia metallica: /niː.oʊˈæʃ.iə məˈtæl.ɪ.kə/
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Identification
The combination of metallic coloration, double-banded abdominal pattern, and association with fen or wetland distinguishes this from similar Neoascia species. may be confused with other metallic , but the specific banding pattern and habitat preference aid in identification. Larval aquatic habitat is a diagnostic feature for the .
Habitat
Fen wetlands and associated aquatic environments. occur in flower-rich areas near larval aquatic .
Distribution
North America: Canada and United States. Records indicate broad distribution across the continent.
Diet
feed on nectar and pollen from flowers. Larval diet in the wild is not documented in available sources.
Life Cycle
with aquatic larval stage. develop in water, while are terrestrial and associated with flowers.
Behavior
are flower visitors, commonly found on blossoms where they obtain nectar and pollen. includes hovering capability typical of .
Ecological Role
function as through flower visitation. occupy aquatic ; specific ecological role in aquatic systems is not documented.
Human Relevance
Contributes to services in natural and potentially agricultural settings. No known pest status or direct economic impact.
Similar Taxa
- Other Neoascia speciesSimilar size and general ; distinguished by coloration patterns and specificity
- Metallic Halictidae (sweat bees)Similar metallic green appearance; distinguished by structure (one pair in vs. two pairs in ) and
More Details
Taxonomic History
Originally described as Ascia metallica by Williston in 1882, later transferred to Neoascia. The basionym Ascia metallica reflects this taxonomic .
Nomenclatural Note
The epithet 'metallica' refers to the metallic appearance, not to the musical group Metallica. The latter inspired the name of a deep-sea crab, Macrostylis metallicola, but not this species.