Black Onion Fly Tritoxa flexa (Wiedemann, 1830)    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Ulidiidae   >   Genus Tritoxa   

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A Black Onion Fly in Anne Arundel Co., Maryland (8/3/2013). Photo by Jim Brighton. (MBP list)

A Black Onion Fly in Frederick Co., Maryland (7/8/2014). Photo by Bonnie Ott. (MBP list)

A Black Onion Fly in Prince George's Co., Maryland (5/16/2012). Verified by Ken Wolgemuth/BugGuide. Photo by Barbara Thurlow. (MBP list)

Black Onion Fly in Carroll Co., Maryland (5/18/2019). (c) Peter Coffey, some rights reserved (CC BY-NC). Photo by Peter Coffey via iNaturalist. (MBP list)

A Black Onion Fly in Harford Co., Maryland (9/27/2014). Photo by Joshua Jones. (MBP list)

A Black Onion Fly in Carroll Co., Maryland (5/17/2011). Photo by Anna Letaw. (MBP list)

Black Onion Fly in Harford Co., Maryland (6/9/2017). (c) Josh Emm, some rights reserved (CC BY-NC). Photo by Josh Emm. (MBP list)

A Black Onion Fly in Harford Co., Maryland (10/3/2014). Photo by Joshua Jones. (MBP list)

Black Onion Fly in Queen Anne's Co., Maryland (7/14/2020). (c) dansmall, some rights reserved (CC BY-NC). Photo by Dan Small. (MBP list)

A Black Onion Fly in Howard Co., Maryland (9/22/2012). Photo by Nancy Magnusson. (MBP list)

Black Onion Fly in Harford Co., Maryland (8/5/2017). Photo by Dave Webb. (MBP list)

A Black Onion Fly in Baltimore City, Maryland (5/17/2007). Determined by Stephen Luk/BugGuide. Photo by Thomas Wilson. (MBP list)

A Black Onion Fly captured in Maryland. Photographed by Wayne Boo. Photo by USGS PWRC. (MBP list)

A female Black Onion Fly in Prince George's Co., Maryland (6/18/2013). Photo by Wayne Boo, Photoshopping by Dejen Mengis. Photo by USGS PWRC. (MBP list)

A female Black Onion Fly in Prince George's Co., Maryland (6/18/2013). Photo by USGS PWRC. (MBP list)

A Black Onion Fly in Harford Co., Maryland (6/9/2017). Photo by Josh Emm. (MBP list)


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