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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 » Leafcutter, Mason, and Resin Bees, and allies (Megachilidae) » Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives (Megachilinae) » Wool-carder, Resin, Pebble, and Allied Bees (Anthidiini) » Rotund Resin Bees (Anthidiellum) » Anthidiellum robertsoni
Photo#118198
Anthidiellum notatum - Anthidiellum robertsoni - male
Copyright © 2007 Hartmut Wisch

Anthidiellum notatum - Anthidiellum robertsoni - Male
Rancho Santa Ana Botanic Garden, Claremont, Los Angeles County, California, USA
June 7, 2007
Size: ~7 mm
Taking nectar in Phacelia.
Used key by Grigarick & Stange for ID, also confirmed by Doug Yanega.
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Contributed by Hartmut Wisch on 14 June, 2007 - 2:43pm
Last updated 19 April, 2021 - 5:10am

Moved
Moved from California Rotund-Resin Bee.
… John S. Ascher, 19 April, 2021 - 5:10am login or register to post comments

Moved
Moved from Anthidiellum notatum.
… Hartmut Wisch, 17 June, 2007 - 2:44pm login or register to post comments

ssp. robertsoni
male
… John S. Ascher, 17 June, 2007 - 8:50am login or register to post comments

 
THANKS!
I wondered about this ssp. mentioned by Michener, but wasn't sure how to distinguish (oops - arcuate subantennal sutures seem to be visible here; & I read about the overhanging scutellum, which I saw in a female specimen taken from the site - I'll post a couple of photos later). Does robertsoni occur principally in the western states? I'll try scouring the surrounding plants for the resin cells.
… Hartmut Wisch, 17 June, 2007 - 2:02pm login or register to post comments

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