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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) » Fungus Gnats (Mycetophilidae)
Photo#751868
Red-headed fly
Copyright © 2013 sicloot

Red-headed fly
Arnold Arboretum, Boston, Suffolk County, Massachusetts, USA
March 17, 2013
Temp around 35F.
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Contributed by sicloot on 18 March, 2013 - 9:59am
Last updated 30 December, 2019 - 5:44pm

Moved
Moved from Fungus Gnats and Gall Midges.
… John F. Carr, 30 December, 2019 - 5:44pm login or register to post comments

Moved
Moved from ID Request.
… John F. Carr, 21 March, 2013 - 5:01pm login or register to post comments

Fungus gnat
Fungus gnat. Some kinds overwinter under loose bark and can be found any time of year.
… John F. Carr, 18 March, 2013 - 10:29am login or register to post comments

 
Are they the size of a small
Are they the size of a small housefly? This one was much larger than the fungus gnats I've seen on houseplants.
… sicloot, 18 March, 2013 - 10:35am login or register to post comments

 
Size varies
The small, black ones that live in potted plants are typically 2-3 mm long. Mycetophila, a genus that overwinters in leaves and under bark, can be over 5 mm.
… John F. Carr, 18 March, 2013 - 10:37am login or register to post comments

 
That's it!
Thanks, I found a photo that's a close match.
… sicloot, 18 March, 2013 - 10:43am login or register to post comments

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