Female cuckoo bee - Triepeolus

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » Aculeata - Ants, Bees and Stinging Wasps » Apoidea (clade Anthophila) - Bees » Cuckoo, Carpenter, Digger, Bumble, and Honey Bees (Apidae) » Cuckoo Bees (Nomadinae) » Epeolini » Triepeolus

Photo#1642371

Copyright © 2019 Sara Morris

Female cuckoo bee - Triepeolus -

Portland, Multnomah County, Oregon, USA
July 3, 2018
Size: 1 cm

We ended up getting a number of these in our pollinator garden this year (I saw at least 2 females and 1 male at the same time one day). Based off of the markings and location, I'm guessing they're a Triepeolus sp.? Notes:

First observation/photographed: July 3, 2018
Repeatedly observed into September
Size: 7–10 mm (male ~ 7 mm)
Floral hosts: most frequently observed on sneezeweed (Helenium autumnale), cosmos (Cosmos bipinnatus), and zinnias (Zinnia elegans); but, also seen on checkermallow (Sildacea virgata and S. campestris) and Shasta daisies (Leucanthemum × superbum)
I have more photos from different days of the male and at least one other female—plus some more of the female's abdomen—if it'd help with identification(?)

Thanks a bunch!

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Contributed by Sara Morris on 13 March, 2019 - 9:26pm
Last updated 13 March, 2019 - 11:37pm

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