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Hylaeus Bee - Hylaeus hyalinatus - male

Hylaeus Bee - Hylaeus hyalinatus - Male
Cleveland Heights, Cuyahoga County, Ohio, USA
July 16, 2012
Size: About 5 mm
On a Marsh Milkweed (Asclepias incarnata) leaf. Much to my disgust, I'm not even sure whether this is a bee or a wasp, although I think it's a bee.

Moved from Masked Bees.

could be Hylaeus hyalinatus

Moved from ID Request.

Genus Hylaeus - Yellow-masked Bees
Genus Hylaeus - Yellow-masked Bees I think, about 90% sure.

Matt is correct; specimen is a male.

I've looked at the detail on the original image, but there's not enough there to allow me to pin it down more completely, at least not with my lack of experience.

Yep, Hylaeus bee :)
They do look very wasp-like though--unique among bees, they transport pollen in their crop, like pollen wasps do, and thus do not have the specialized external features for carrying pollen :)

Thanks again.
Darn it, I actually knew that... I was looking for hairy legs, and that was my uncertainty when I first posted the photo (before your assistance with the genus). There are some very minimal hairs visible. Interesting that they carry pollen in the crop.

Do you know what this fellow is doing with that drop of liquid?

Perhaps concentrating somewhat more dilute floral nectar by evaporating water from it, so that it could have a stickier, sweeter liquid for use in nest provision? :)

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