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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps and allies (Vespoidea) » Yellowjackets and Hornets, Paper Wasps; Potter, Mason and Pollen Wasps (Vespidae) » Potter and Mason Wasps (Eumeninae) » Pachodynerus » Keyhole Wasp (Pachodynerus nasidens)
Photo#161475
Wasp - Pachodynerus nasidens - male
Copyright © 2007 Tom Bentley

Wasp - Pachodynerus nasidens - Male
Gumbo Limbo Nature Center, Palm Beach County, Florida, USA
December 14, 2007
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Contributed by Tom Bentley on 18 December, 2007 - 10:30pm
Last updated 19 December, 2007 - 10:59pm

...
I would suspect something like this:
… Sean McCann, 18 December, 2007 - 11:10pm login or register to post comments

 
That's it
One of the best photographs of Pachodynerus nasidens on BG so far. Males seem to be more difficult to spot than females, since they are still missing.
… Richard Vernier, 19 December, 2007 - 3:51am login or register to post comments

 
Male?
It would seem to me that this IS a male. Remember, Pachodynerus don't have the hooked antennae typical of other eumenines (the flagellum has only ten segments). Looking at the abdomen there appear to be seven terga.
… Matthias Buck, 19 December, 2007 - 11:13am login or register to post comments

 
OOPS! You're quite right
There are seven terga, hence a male. Of course, these "shortened" antennae make sexual dimorphism much less apparent than in most Eumenine genera.
… Richard Vernier, 19 December, 2007 - 10:29pm login or register to post comments

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