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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Calyptratae » Muscoidea » House Flies and kin (Muscidae) » Mydaeinae » Brontaea » Brontaea humilis
Photo#717739
fly - Brontaea humilis - male
Copyright © 2012 tom murray

fly - Brontaea humilis - Male
Bolton, Worcester County, Massachusetts, USA
October 25, 2012
Size: 4.5mm

Images of this individual: tag all
fly - Brontaea humilis - male fly - Brontaea humilis - male
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Contributed by tom murray on 25 October, 2012 - 9:29pm
Last updated 1 August, 2013 - 10:59pm

Brontaea humilis (Zetterstedt, 1860)
Moved from House Flies and kin.

Still waiting on other feedback, but I've convinced myself this is the correct ID. An introduced species from the Old World, this is apparently a new state record (previously known from MI, NC, ON, QC, BC). Breeds in horse dung.

Features of B. humilis, noted in (1), all match: scutum of male dark-brown dusted, no vittae; dark calypters, and sunken parafacials, also the setal pattern on sternite 1 and setae on hind tibiae. Note the female will look quite different, with prominent gray vittae.
… Brad Barnd, 1 August, 2013 - 10:59pm login or register to post comments

 
Update
Nikita Vikhrev seems to agree this is probably Brontaea humilis, see thread on diptera.info.

Although still "recently" (e.g. (1)) placed in Brontaea, this species is placed in Gymnodia on diptera.info. I will leave as is for now, but the genus name may need to be changed.
… Brad Barnd, 2 August, 2013 - 9:40pm login or register to post comments

 
Brontaea humilis
Brad, great work getting this identified! I found it near some large farm fields and people do occasionally ride horses there.
… tom murray, 1 August, 2013 - 11:06pm login or register to post comments

 
Keep an eye out for more
and possible females as well. Photo of female specimen here.
… Brad Barnd, 2 August, 2013 - 1:08am login or register to post comments

Muscidae
Family ID confirmed from specimen, now a photo-voucher. Thanks Tom.

I have a hunch about the ID, but will post these over on diptera.info to see what they say.
… Brad Barnd, 1 August, 2013 - 9:30pm login or register to post comments

Moved
Moved from Muscoidea.
… John F. Carr, 3 February, 2013 - 9:42pm login or register to post comments

Moved
Moved from Flies.
… John F. Carr, 26 October, 2012 - 8:58pm login or register to post comments

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