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Triepeolus concavus? - Anthidium manicatum

Triepeolus concavus? - Anthidium manicatum
BERKELEY, Alameda County, California, USA
August 18, 2019
Size: .5 inch
I tried to get a photo of it flying but it was moving too fast. It had staked out a territory and would chase away any other foragers like honeybees which are about the same length but this insect is much chunkier. It had some hovering tendencies which confused me as I know most bees don't hover. Got this shot when it stopped for a rest. Was defending a rosemary plant and some lemon balm nearby. Used the Nasturtium leaf for rest stop.



Definitely a bee; Dr. Ascher
Definitely a bee; Dr. Ascher may be able to give you a more fine ID.

Re: Bee or Fly
Great! I was thinking. I remember reading some place that there is a native California bee that guards its territory and chases off other bees. I think its a male bee perhaps in the Apidea group, but I could not find any photos that would give me a positive ID.
Looking forward to a positive ID!
Thank you!

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