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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Sciomyzoidea » Thick-headed Flies (Conopidae) » Conopinae » Physocephala » Physocephala furcillata
Photo#1112749
Physocephala - probably furcillata - Physocephala furcillata - female
Copyright © 2015 Kalyn Bickerman

Physocephala - probably furcillata - Physocephala furcillata - Female
Milford, Penobscot County, Maine, USA
July 23, 2015
This one appears to have a theca.

Images of this individual: tag all
Physocephala - probably furcillata - Physocephala furcillata Physocephala - probably furcillata - Physocephala furcillata Physocephala - probably furcillata - Physocephala furcillata - female Physocephala - probably furcillata - Physocephala furcillata Physocephala - probably furcillata - Physocephala furcillata - female
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Contributed by Kalyn Bickerman on 31 July, 2015 - 10:14am
Last updated 29 November, 2018 - 4:00am

Yes, this one has a theca and is thus a female for sure
The small forward-pointing flap emanating from the bottom of the 5th sternite is the theca, which is used to help pry open the tergites on a host bee to allow the female to oviposit within the bee. Only female conopids have a theca...males lack them.
… Aaron Schusteff, 31 July, 2015 - 2:22pm login or register to post comments

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