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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Acalyptratae" » Sciomyzoidea » Thick-headed Flies (Conopidae) » Conopinae » Physocephala » marginata or texana (Physocephala marginata or texana)
Photo#969230
Unidentified Ichneuman Wasp, Ophion species? - Physocephala - male
Copyright © 2014 Klaus O Richter

Unidentified Ichneuman Wasp, Ophion species? - Physocephala - Male
Cle Elum/Teanaway Ridge, Kittitas County, Washington, USA
July 28, 2014
Size: ~10mm
Is this small Ichneumon wasp some kind of Ophion species? Feeding on Pearly Everlasting.
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Contributed by Klaus O Richter on 1 August, 2014 - 11:46am
Last updated 12 December, 2021 - 10:58am

Moved
Moved from Physocephala.
… Zachary Dankowicz, 12 December, 2021 - 10:58am login or register to post comments

Moved
Moved from Physocephala burgessi.

(Ooops...meant to move this to genus Physocephala, not to P. burgessi.)
… Aaron Schusteff, 7 August, 2014 - 12:59am login or register to post comments

Moved
Moved from Conopinae.

Discal cell cross vein, swollen hind femora, and antennal proportions definitely indicate genus Physocephala here. But species ID is a tough call between two possibilities: P. texana or P. burgessi. Better lighting on the cheeks and coxae would have helped decide which...or better yet, a dorsal view of the thorax, clearly indicating whether there are three (possibly confluent) longitudinal black stripes, or just a single median one.

Initially I was leaning towards burgessi, but I think relative length of the 1st antennal segment is not short enough for that here. Plus, even though the view of the thoracic dorsum is oblique, the black looks to me like it's probably more than the short median stripe. So I'm now leaning towards P. texana. (If you have any other images, especially of the dorsum, please post.)

One things for sure, this is a male (it lacks a "theca" = bump under the 5th sternite).
… Aaron Schusteff, 7 August, 2014 - 12:42am login or register to post comments

Moved for expert attention
Moved from ID Request.

A fly that wants you to think it's a wasp. :)
… Ken Wolgemuth, 1 August, 2014 - 11:58am login or register to post comments

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