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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Sciomyzoidea » Thick-headed Flies (Conopidae) » Dalmanniinae » Dalmannia » Dalmannia nigriceps
Photo#870154
Conopidae - Dalmannia nigriceps
Copyright © 2013 MJ Hatfield

Conopidae - Dalmannia nigriceps
Plymouth Rock, Winneshiek County, Iowa, USA
May 31, 2013
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Contributed by MJ Hatfield on 28 November, 2013 - 4:40am
Last updated 6 January, 2014 - 2:05am

Moved
Moved from Dalmannia.

According to Bohart (1938) and Stone(1), only two species occur to the east of the Rocky Mountains...D. vittosa and D. nigriceps.

D. vittosa has scutellum entirely black, which is not the case here. Moreover, this post agrees very well with the description of D. nigriceps given by Williston here. In particular, note the thinness of the yellow apical bands on the abdominal segments, with only a medial "point" projecting from the bands. In other species the yellow markings on the abdominal segments project forward on the sides of the segments (note that is what was used to separate nigriceps from picta in Coquillet's key here).
… Aaron Schusteff, 6 January, 2014 - 2:05am login or register to post comments

 
Thank you very much,
not only for the ID but also the excellent explanation of why.
… MJ Hatfield, 6 January, 2014 - 7:01am login or register to post comments

Moved tentatively
Moved from Flies.
… v belov, 28 November, 2013 - 7:09am login or register to post comments

 
Thanks.
I really like Thick-headed flies but I didn't recognize this to family.
… MJ Hatfield, 28 November, 2013 - 8:09am login or register to post comments

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