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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » Fungus Gnats and Gall Midges (Sciaroidea) » Gall Midges and Wood Midges (Cecidomyiidae) » Gall Midges (Cecidomyiinae) » Cecidomyiidi » Monarthropalpus » Boxwood Leafminer (Monarthropalpus flavus)
Photo#920265
Boxwood Leafminer - Monarthropalpus flavus - male
Copyright © 2014 Bill Keim

Boxwood Leafminer - Monarthropalpus flavus - Male
Buckingham, Bucks County, Pennsylvania, USA
May 13, 2014
Size: 3.3 mm head-wingtips
Swarming around boxwood early in the morning.
Perhaps Monarthropalpus flavus, as in this photo?

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Boxwood Leafminer - Monarthropalpus flavus - male Boxwood Leafminer - Monarthropalpus flavus - male
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Contributed by Bill Keim on 13 May, 2014 - 8:38am
Last updated 26 June, 2015 - 8:20am

Moved
Moved from Cecidomyiidi.
… Bill Keim, 26 June, 2015 - 8:18am login or register to post comments

Probably Monarthropalpus flavus
Probably Monarthropalpus flavus. If you spotted any egg-laying on boxwood, it must be that species.
… John F. Carr, 26 June, 2015 - 7:53am login or register to post comments

 
While I did not note any egg-
While I did not note any egg-laying, there were dozens of these all over the boxwood, but not on any of the adjacent plantings.
… Bill Keim, 26 June, 2015 - 8:16am login or register to post comments

It seems likely;
In cases I have observed, the M. flavus swarmed around boxwood in large numbers following their emergence. Mine emerged on May 18, in Illinois.
… Even Dankowicz, 24 June, 2014 - 5:43pm login or register to post comments

Moved
Moved from ID Request.
… John F. Carr, 20 May, 2014 - 8:51pm login or register to post comments

Cecidomyiidi
The antennae are correct for a male Cecidomyiidi.
… John F. Carr, 13 May, 2014 - 8:59am login or register to post comments

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