Green Halactid bee on purple Aster
Agapostemon virescens, one of the so-called "sweat bees" of the family Halictidae, that are attracted to perspiration and the salt it contains. The head and thorax of this tiny bee are a metallic green. This one is working a purple Aster in October.
Agapostemon virescensHalictidaebeecloseupgardengreenhalictidinsectmacronectarpollenpollinatormetallicastersweat bee