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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Vespoidea » Vespidae » Pollen Wasps (Masarinae) » Pseudomasaris » Pseudomasaris vespoides
Photo#380818
Pseudomasaris vespoides
Copyright © 2010 Hartmut Wisch

Pseudomasaris vespoides
Angeles Forest Highway, Los Angeles County, California, USA
Nest, found in Chamise (Adenostoma fasciculatum) along Angeles Forest Highway, Sept. 1, 1987.
In Entomology Collection, Natural History Museum of Los Angeles.
P. vespoides is the only species in this genus known to construct cells on stems of vegetation. Other species, as far as has been reported, make their nests on rocks.

Images of this individual: tag all
Pseudomasaris vespoides Pseudomasaris vespoides
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Contributed by Hartmut Wisch on 31 March, 2010 - 10:16pm

This is another to add to the "Pseudomasaris Nest Guide page"
...cf. comments under post below:

   
… Aaron Schusteff, 21 September, 2022 - 6:28pm login or register to post comments

 
Perhaps this is a nest of P. wheeleri ?
Something worthy of note...

Your post here from the LA Museum of Natural History; the post of P. phaceliae in the thumbnail above; and also the iNat obs 40268295 of P. wheeleri...seem to suggest that P. vespoides is no longer the "only species in this genus known to construct cells on stems of vegetation".

In fact, the photos you've posted here lot like the nest in iNat obs 40268295...maybe this is P. wheeleri? It was collected off Angeles Crest Highway...and you (and others) have many posts of P. wheeleri from the San Gabriel Mnts.
… Aaron Schusteff, 21 September, 2022 - 7:15pm login or register to post comments

Nests
Great to see some masarine nests on Bugguide!
… Matthias Buck, 1 April, 2010 - 1:37pm login or register to post comments

 
Hi Matthias -
Jonathan Wright took a beautiful photo of what I think is a female P. edwardsii on a nest cell, and I hope I can persuade him to post it on bugguide. It can also be seen on the Bernard Field Station website (Claremont Colleges), right next to Rancho Santa Ana Botanic Garden.
I hope to see some more of those soon, also plan to follow up on some other sites.
By the way, I found identified specimens at U.C. Riverside showing the variations I found in some P. zonalis last year (recall the photos I shared last year?). More about this later.
… Hartmut Wisch, 1 April, 2010 - 2:13pm login or register to post comments

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