https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8755667
Lasioglossum coriaceum, f, head, upper marlboro, md, leadplant
One of the large Lasioglossum sensu strictu...all black or dark with no metallic sheens. This one captured in my backyard on blooming leadplant. Original public domain image from Flickr
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