Red-footed Cannibalfly Promachus rufipes (Fabricius, 1775)    Synonyms: Eastern Lion Fly.
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Asilidae   >   Genus Promachus   

Status:

Promachus rufipes ranges widely in the east, especially east of the Mississippi. It is quite large and aggressive, with striking markings. The species seems to have a propensity for taking large prey. In Virginia, they become more common in late summer, and this is likely the case in Maryland also (Bedell, 2010).

There are 624 records in the project database.

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A Red-footed Cannibalfly with Polistes wasp prey in Baltimore Co., Maryland (8/18/2014). Photo by Frode Jacobsen. (MBP list)

A Red-footed Cannibalfly in Anne Arundel Co., Maryland (7/24/2015). Photo by Bonnie Ott. (MBP list)

A Red-footed Cannibalfly in Anne Arundel Co., Maryland (8/26/2014). Photo by Frode Jacobsen. (MBP list)

A Red-footed Cannibalfly in Wicomico Co., Maryland (8/14/2013). Photo by Scott Housten. (MBP list)

A Red-footed Cannibalfly in Montgomery Co., Maryland (9/7/2014). Photo by Ashley Bradford. (MBP list)

A Red-footed Cannibalfly from Prince George's Co., Maryland (8/10/2013). Photo by Wendy Crowe. (MBP list)

A Red-footed Cannibalfly in Howard Co., Maryland (8/20/2017). Determined by Chris Cohen/BugGuide. Photo by Zoe Adams. (MBP list)

Red-footed Cannibalfly in Baltimore Co., Maryland (8/25/2020). (c) dioliver, some rights reserved (CC BY-NC). Photo by dioliver via iNaturalist. (MBP list)

Red-footed Cannibalfly in Baltimore Co., Maryland (8/24/2020). No rights reserved. Photo by Sean via iNaturalist. (MBP list)

Red-footed Cannibalfly in Frederick Co., Maryland (8/30/2020). (c) Nathaniel Schwartz, some rights reserved (CC BY-NC-ND). Photo by Nathaniel Schwartz via iNaturalist. (MBP list)

Red-footed Cannibalfly in Frederick Co., Maryland (8/30/2020). (c) Nathaniel Schwartz, some rights reserved (CC BY-NC-ND). Photo by Nathaniel Schwartz via iNaturalist. (MBP list)

A Red-footed Cannibalfly in Howard Co., Maryland (8/22/2012). Photo by Don Haskins. (MBP list)

Red-footed Cannibalfly in Harford Co., Maryland (8/26/2020). (c) jmcardle, some rights reserved (CC BY-NC). Photo by jmcardle via iNaturalist. (MBP list)

Red-footed Cannibalfly in Anne Arundel Co., Maryland (8/26/2020). (c) davidbrunton, some rights reserved (CC BY-NC). Photo by davidbrunton via iNaturalist. (MBP list)

Red-footed Cannibalfly in Maryland (Date obscured). (c) dryad-dancing, some rights reserved (CC BY-NC). Photo by dryad-dancing via iNaturalist. (MBP list)

A male Red-footed Cannibalfly in Calvert Co., Maryland (8/23/2004). Photo by Arlene Ripley. (MBP list)

A Red-footed Cannibalfly in Washington Co., Maryland (8/30/2008). Photo by Steve Collins. (MBP list)

Red-footed Cannibalfly in Dorchester Co., Maryland (9/8/2018). (c) Judy Gallagher, some rights reserved (CC BY). Photo by Judy Gallagher. (MBP list)

Red-footed Cannibalflies mating in Kent Co., Maryland (8/15/2014). Photo by Nancy Martin. (MBP list)

A mating pair of Red-footed Cannibalfly in Harford Co., Maryland (8/3/2018). Determined by Bob Biagi/BugGuide. Photo by Josh Emm. (MBP list)

Red-footed Cannibalfly in Baltimore Co., Maryland (8/20/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

Red-footed Cannibalfly in Calvert Co., Maryland (8/13/2022). (c) Zachary Dankowicz, some rights reserved (CC BY-NC). Photo by Zachary Dankowicz via iNaturalist. (MBP list)

A Red-footed Cannibalfly in Harford Co., Maryland (8/17/2020). Photo by Dave Webb. (MBP list)

Red-footed Cannibalfly in Prince George's Co., Maryland (8/21/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen. (MBP list)

Red-footed Cannibalflies mating in Howard Co., Maryland (8/4/2015). Photo by Richard Orr. (MBP list)

Red-footed Cannibalfly in Frederick Co., Maryland (8/14/2020). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Red-footed Cannibalfly in Prince George's Co., Maryland (8/15/2021). (c) Sergei Drovetski, all rights reserved. Photo by Sergei Drovetski. (MBP list)

A pair of mating Red-footed Cannibalflies in Cecil Co., Maryland (8/31/2013). Photo by Mark Johnson. (MBP list)

Red-footed Cannibalflies mating in Queen Anne's Co., Maryland (8/14/2013). Photo by Lori Byrne. (MBP list)

A Red-footed Cannibalfly in Harford Co., Maryland (10/2/2017). Determined by Ben Coulter/BugGuide. Photo by Shannon Schade. (MBP list)

A Red-footed Cannibalfly in Anne Arundel Co., Maryland (8/19/2013). Determined by Chris Cohen and John S. Ascher/BugGuide. Photo by Lynn Strauss. (MBP list)

Red-footed Cannibalfly in Worcester Co., Maryland (7/24/2023). (c) Jim Brighton, some rights reserved (CC BY-NC). Photo by Jim Brighton. (MBP list)

A Red-footed Cannibalfly in Anne Arundel Co., Maryland (8/11/2013). Photo by Annette Allor. (MBP list)

A Red-footed Cannibalfly in Howard Co., Maryland (8/18/2014). Photo by Jim Wilkinson. (MBP list)

Red-footed Cannibalfly in Prince George's Co., Maryland (8/1/2022). (c) Scot Magnotta, some rights reserved (CC BY-NC). Photo by Scot Magnotta via iNaturalist. (MBP list)

A Red-footed Cannibalfly found by students at Jemicy School in Baltimore Co., Maryland (9/18/2013). Photo by Emily Stanley. (MBP list)

Red-footed Cannibalflies mating in Baltimore Co., Maryland (8/21/2020). (c) Jeffrey W. Shultz, some rights reserved (CC BY-NC). Photo by Jeffrey W. Shultz. (MBP list)

A Red-footed Cannibalfly in Montgomery Co., Maryland (9/30/2014). Photo by Bonnie Bell. (MBP list)

A Red-footed Cannibalfly in Montgomery Co., Maryland (8/22/2013). Photo by Amy Morrisson. (MBP list)

Red-footed Cannibalfly in Calvert Co., Maryland (7/29/2020). (c) jasoneavery, some rights reserved (CC BY-NC). Photo by Jason Avery. (MBP list)

Red-footed Cannibalfly with Common Pondhawk prey in Prince George's Co., Maryland (8/9/2020). (c) Nathaniel Schwartz, some rights reserved (CC BY-NC-ND). Photo by Nathaniel Schwartz via iNaturalist. (MBP list)

Red-footed Cannibalfly with Common Pondhawk prey in Prince George's Co., Maryland (8/9/2020). (c) Nathaniel Schwartz, some rights reserved (CC BY-NC-ND). Photo by Nathaniel Schwartz via iNaturalist. (MBP list)

Red-footed Cannibalfly in Montgomery Co., Maryland (8/11/2018). (c) Scot Magnotta, some rights reserved (CC BY-NC). Photo by Scot Magnotta via iNaturalist. (MBP list)

Red-footed Cannibalfly with bumble bee prey in Talbot Co., Maryland (8/16/2023). (c) richard crook, some rights reserved (CC BY-NC). Photo by rwcrook via iNaturalist. (MBP list)

Red-footed Cannibalfly in Montgomery Co., Maryland (8/11/2018). (c) Scot Magnotta, some rights reserved (CC BY-NC). Photo by Scot Magnotta via iNaturalist. (MBP list)

Red-footed Cannibalfly in Anne Arundel Co., Maryland (8/11/2020). (c) biogator, some rights reserved (CC BY-NC). Photo by biogator via iNaturalist. (MBP list)

Red-footed Cannibalfly in Montgomery Co., Maryland (8/7/2012). (c) dsondlo, some rights reserved (CC BY-NC). Photo by dsondlo via iNaturalist. (MBP list)

Red-footed Cannibalfly in Baltimore Co., Maryland (8/21/2021). (c) wendyjalexander, some rights reserved (CC BY-NC-ND). Photo by Wendy Alexander. (MBP list)

Red-footed Cannibalfly in Queen Anne's Co., Maryland (9/30/2023). (c) roo142, some rights reserved (CC BY-NC). Photo by roo142 via iNaturalist. (MBP list)

Red-footed Cannibalfly in Dorchester Co., Maryland (9/29/2023). (c) Ron Wertz, some rights reserved (CC BY-NC-SA). Photo by Ron Wertz via iNaturalist. (MBP list)

Red-footed Cannibalfly in Frederick Co., Maryland (9/7/2015). Photo by Steve Collins. (MBP list)


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