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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) » Mycetophilinae » Mycetophilini » Epicypta
Photo#600401
Diptera pupa? - Epicypta
Copyright © 2011 tom murray

Diptera pupa? - Epicypta
Groton, Middlesex County, Massachusetts, USA
December 10, 2011
Size: 5.5mm cocoon
This was attached to the underside of a log.

Images of this individual: tag all
Diptera pupa? - Epicypta Diptera pupa? - Epicypta Diptera pupa? - Epicypta
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Contributed by tom murray on 10 December, 2011 - 3:59pm
Last updated 3 January, 2012 - 10:57pm

Moved
Moved from Beetles.
Thanks for taking a look, Chris! Do Phronia spp. have similar pupal cases?
Also, Tom, do all the ones you found have that same hole?
… Charley Eiseman, 3 January, 2012 - 10:57pm login or register to post comments

 
Thanks Charley and Chris
The other cases all have the same hole, but part of the pupa is blocking it.
… tom murray, 5 January, 2012 - 12:34pm login or register to post comments

 
Phronia larvae
Phronia larvae have a more limpet like covering (see here: http://www.diptera.info/photogallery.php?photo_id=5692)
… Chris Borkent, 3 January, 2012 - 11:02pm login or register to post comments

Mycetophilidae: Epicypta
This is the pupal cocoon found in members of the genus Epicypta. I assume the hole is to allow the adult to emerge (since they have no mandibles to chew their way out). Another picture of a similar beastie can be found here:http://www.diptera.info/photogallery.php?photo_id=6756
… Chris Borkent, 3 January, 2012 - 10:54pm login or register to post comments

Moved
Moved from ID Request.
Adding a link to the diapriid that emerged:
… Charley Eiseman, 21 December, 2011 - 3:24pm login or register to post comments

Coleoptera?
reminds me more of a Coleopteran pupa than Dipteran, I'm no expert on such things though :)
… Brad Barnd, 10 December, 2011 - 6:24pm login or register to post comments

 
You might be right
I'm keeping it and hope it matures.
… tom murray, 10 December, 2011 - 6:27pm login or register to post comments

 
The cocoon/cell
also seems more like something a beetle larva would construct. I wonder what that hole in the end means...
… Charley Eiseman, 10 December, 2011 - 6:45pm login or register to post comments

 
Hole in the tail end
I wonder if that black knob on the tail of the pupa was filling that hole.
… tom murray, 10 December, 2011 - 6:56pm login or register to post comments

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