''Eumecosomyia nubila'' is a species of ulidiid or picture-winged fly in the genus ''

Eumecosomyia ''Eumecosomyia'' is a genus of picture-winged flies in the family Ulidiidae The Ulidiidae (formerly Otitidae) or picture-winged flies are a large and diverse cosmopolitan family of flies (Diptera), and as in related families, most species are h ...

'' of the family

Ulidiidae The Ulidiidae (formerly Otitidae) or picture-winged flies are a large and diverse cosmopolitan family of flies (Diptera), and as in related families, most species are herbivorous or detritivorous. They are often known as picture-winged flies, alo ...

. Its distribution includes parts of the United States, islands in the Caribbean, Central America, and South America.

References

Ulidiidae Insects described in 1830 {{Ulidiidae-stub