Lasioglossum (Subgenus Dialictus) “Sweat Bee” Halictidae
on Achillea millefolium “Yarrow” Asteraceae

Tacoma, WA
July 6, 2013
Robert Niese

These bees are notoriously difficult to identify. There are more than 290 species in the US and Canada and approximately 1700 species worldwide. Most Sweat Bees (family Halictidae) in our area fall into this mega-Genus. Look for them anywhere and anytime there are flowers blooming. You’re bound to see at least a half dozen species of Halictids on any given summer day!

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