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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 phaceliae
Photo#2320555
Pseudomasaris phaceliae
Copyright © 2023 Naturalista

Pseudomasaris phaceliae
Santa Fe County, New Mexico, USA
July 22, 2023
On Chamaebatiaria millefolium, which I have not seen listed as a host plant. Perhaps the competition was too stiff on the nearby phacelia. Chamaebatiaria millefolium (Rosaceae) attracts an unusually diverse group of nectivores and palynivores.

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Pseudomasaris phaceliae Pseudomasaris phaceliae
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Contributed by Naturalista on 21 December, 2023 - 4:53pm
Last updated 15 January, 2024 - 12:42pm

Interesting
That is an interesting plant record for the genus! She's likely just taking nectar for energy.

Was there any Phacelia around?
… Nathaniel Green, 29 April, 2024 - 11:57am login or register to post comments

 
I love your comment because I
I love your comment because I always wonder if anyone is interested in my host species ids!

Phacelia integrifolia was nearby, and the competition for access to the flowers was fierce.

Chamaebatiaria millefolium is cultivated here. Its natural distribution ends a few hundred miles to the west. It attracts hordes of insects that we associate with pollination, but it *never* sets viable seed here. There must be a unique pollinator in Arizona and the western edge of New Mexico whose range does not extend to here even though the general habitat (pinyon-juniper woodland) is the same.
… Naturalista, 29 April, 2024 - 2:28pm login or register to post comments

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