No Common Name Efferia aestuans (Linnaeus, 1763)  
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Asilidae   >   Genus Efferia   

Status:

Can be very common in open habitats. This species lands on whatever surface is convenient, and may even land on observers. The genus Efferia s.l. is quite speciose, and some dipterists split it up into a number of smaller genera. Following that classification, this species would be placed in Nerax.

Description:

Female has long, distinctive ovipositor.

There are 23 records in the project database.

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An Efferia aestuans in Montgomery Co., Maryland (07/21/2017). Photo by Steve Scholnick. (MBP list)

A male Efferia aestuans near Loch Raven Reservoir, Baltimore Co., Maryland (8/28/2007). Photo by Steve Collins. (MBP list)

A female Efferia aestuans in Baltimore City, Maryland (6/6/2007). Determined by Herschel Raney/BugGuide. Photo by Thomas Wilson. (MBP list)

Efferia aestuans in Harford Co., Maryland (8/16/2013). Photo by Mark Johnson. (MBP list)

An Efferia aestuans in Montgomery Co., Maryland (8/28/2017). Photo by Steve Scholnick. (MBP list)

A female Efferia aestuans with prey in Anne Arundel Co., Maryland (8/26/2017). Verified by Steve Collins. Photo by Bill Hubick. (MBP list)

A female Efferia aestuans in Dorchester Co., Maryland (9/1/2017). Determined by Bob Biagi/BugGuide. Photo by Mark Etheridge. (MBP list)

A female Efferia aestuans in Anne Arundel Co., Maryland (9/11/2014). Photo by Bill Hubick. (MBP list)

A female Efferia aestuans in Anne Arundel Co., Maryland (9/11/2014). Photo by Bill Hubick. (MBP list)

A female Efferia aestuans in Anne Arundel Co., Maryland (9/11/2014). Determined by Steve Collins. Photo by Bill Hubick. (MBP list)

Efferia aestuans in Howard Co., Maryland (9/12/2014). Photo by Kurt Schwarz. (MBP list)

An Efferia aestuans feeding on prey in Harford Co., Maryland (7/28/2010). Photo by Bill Adams. (MBP list)

A female Efferia aestuans with prey in Baltimore City, Maryland (9/10/2008). Determined by Herschel Raney/BugGuide who notes, E. aestuans "love cloth and pants and shirts." Photo by Thomas Wilson. (MBP list)

An Efferia aestuans in Montgomery Co., Maryland (7/11/2017). Determined by Ben Coulter. Photo by Esther Smith. (MBP list)

An Efferia aestuans in Howard Co., Maryland (9/12/2014). Photo by Kurt Schwarz. (MBP list)


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