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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Bees, Ants, and other Stinging Wasps » Ants, Stinging Wasps, and Hornets (Vespoidea) » Yellowjackets, Paper Wasps, and Hornets; Potter, Mason and Pollen Wasps (Vespidae) » Potter and Mason Wasps (Eumeninae) » Monobia » Mason Wasp (Monobia quadridens)
Photo#131385
iridescent blue-black and orange wasp - Monobia quadridens
Copyright © 2007 Jim McCulloch

iridescent blue-black and orange wasp - Monobia quadridens
Austin, Texas, USA, Travis County, Texas, USA
July 27, 2007
The face of the wasp seems to be at least partially orange. The flower is a coral vine, Antigonon leptopus. I don't know if the wasp is feeding on nectar, or on insects on the flower.
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Contributed by Jim McCulloch on 27 July, 2007 - 8:56pm
Last updated 29 July, 2007 - 7:10pm

Monobia quadridens, male (TX)
Even though the wasp does look a little odd (rosy tint of whitish markings) this has to be M. quadridens. Monobia texana looks totally different (largely reddish). Monobia biangulata has been recorded from Hidalgo Co., TX, but has yellow on tergum 2 as well. There is no Euodynerus with this pattern (but E. bidens is quite similar).
… Matthias Buck, 29 July, 2007 - 7:09pm login or register to post comments

It was feeding on nectar
Because males never hunt for preys. A member of the Eumeninae subfamily (Mason Wasps). Seemingly something new for BG, like a Monobia with a bright orange-yellow, instead of white, pattern. Maybe Euodynerus sp. Dr Buck will know for sure.
… Richard Vernier, 28 July, 2007 - 2:05am login or register to post comments

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