Halictidae: Sphecodes sp.
These are sometimes called cuckoo bees, since they parasitize the nests of other bees. There are more than seventy species in North America and they a hard to tell apart - especially from photographs alone.
13 July 2020
Links
iNaturalist
Wikipedia
BugGuide
University of Wisconsin
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Sphecodes sp. (Blood Bees)
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Sphecodes sp. (Blood Bees)
On Eriogonum heracleoides flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Sphecodes sp. (Blood Bees)
Malaise trap, 26-27 Aug 23. \r\n6 mm
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
8 Jun 2023
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Associated Species: Achillea millefolium (Common Yarrow)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)
Sphecodes sp. (Blood Bees)