''Idana marginata'' is a species of
picture-winged fly (Ulidiidae) found in the United States and Canada. It is the largest
ulidiid fly in eastern North America.
[Marshall, Stephen A. 2006. Insects: Their Natural History And Diversity: With a Photographic Guide to Insects of Eastern North America. Firefly Books Ltd.]
References
Ulidiidae
Insects described in 1830
{{Ulidiidae-stub