No Common Name Laphria posticata Say, 1824    
Kingdom Animalia   >   Phylum Arthropoda   >   Class Insecta   >   Order Diptera   >   Family Asilidae   >   Genus Laphria   

Status:

This northern species can be surprisingly common in forests with a substantial component of pines. Said to be characteristic of white pine (Pinus strobus) forests by S. Bromley (1934) in New England, but in addition, I have found it associated with red pine (Pinus resinosa) and pitch pine (Pinus rigida) logs (B. Coulter, pers. obs.). Evidently closely-related to L. virginica, and mixed pairs have been recorded. Probably replaced by virginica in the south.

There are 5 records in the project database.

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Laphria posticata in Baltimore Co., Maryland (5/21/2007). The pronotal bristles on the front of the thorax are yellow in posticata and black in divisor, while the hairs at the rear of the thorax are black in posticata and yellow in divisor. Photo by Steve Collins. (MBP list)

A Laphria posticata in Prince George's Co., Maryland (6/6/2014). Determined by Ben Coulter/BugGuide. Photo by Barbara Thurlow. (MBP list)

Laphria posticata in Penobscot Co., Maine (7/4/2010). Photo by Jim Brighton. (MBP list)

Laphria posticata in Charles Co., Maryland (6/14/2020). (c) Frode Jacobsen, some rights reserved (CC BY-NC). Photo by Frode Jacobsen via iNaturalist. (MBP list)


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