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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Sawflies, Horntails, and Wood Wasps » Parasitic Wood Wasps (Orussidae) » Orussus » Orussus occidentalis
Photo#245934
Orussus occidentalis female - Orussus occidentalis - female
Copyright © 2008 Stephen Hart

Orussus occidentalis female - Orussus occidentalis - Female
Port Williams Beach, Sequim, Clallam County, Washington, USA
May 15, 2008
This photo was identified by Lars Vilhelmsen, Natural History Museum of Denmark, University of Copenhagen, as a female O. occidentalis.
Diagnostic characters include:
• red abdomen (O. occidentalis vs. O. thoracis in my area
• thickened end of the antennae, which the females use to tap the surface of logs

BTW, a better photo showing the thickened antennae of a female (I think) of a different species here:



Much better photos and videos at my ONH Orussus page.

More of my Orussus photos on bugguide:
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Contributed by Stephen Hart on 22 December, 2008 - 7:05pm
Last updated 22 December, 2008 - 9:16pm

Moved
Moved from Orussus.
… tom murray, 22 December, 2008 - 9:16pm login or register to post comments

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