Fucellia assimilis
Malloch, 1918
Fucellia assimilis is a of fly in the Anthomyiidae, described by Malloch in 1918. The species has been documented as occurring in New England, where it has been observed entering homes in autumn and winter. It belongs to a whose members are often associated with coastal and shoreline . Available information on this species is limited, with only six observations recorded on iNaturalist and minimal published biological data.
Pronunciation
How to pronounce Fucellia assimilis: /fuˈkɛl.li.a asˈsiː.mi.lis/
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Distribution
Documented from New England, USA. A 1923 account by Charles B. Johnson reported collections from Hamilton, Massachusetts. GBIF records indicate occurrences in North America.
Seasonality
have been observed entering homes during autumn and winter months.
Behavior
Has been observed entering human dwellings during colder months, appearing on windowsills alongside other fly .
Human Relevance
Known as a home-invading fly in New England, occasionally appearing in large numbers on windowsills during autumn and winter. May enter structures through unsealed openings.
Similar Taxa
- Muscina pascuorumBoth have been documented as autumn and winter home invaders in New England, appearing on windowsills; historically collected together in home surveys.
- Fucellia maritimaCongeneric with potentially overlapping coastal preferences, though F. maritima is more strongly associated with seaweed and intertidal zones.
More Details
Taxonomic Note
The Fucellia is part of the Anthomyiidae, a large of flies often referred to as root-maggot flies or anthomyiid flies. Many Fucellia are associated with coastal environments and decaying seaweed.
Historical Documentation
A 1923 report by Charles B. Johnson documented 6 specimens of Fucellia assimilis collected from a home in Hamilton, Massachusetts, alongside 125 Muscina pascuorum, 93 Pollenia rudis, and 7 Phormia regina, indicating its status as a documented home-invading in the region.