הזיהויים של oliver_brown

Rocky, dry roadside , on a mountain . Maroon bark with white lenticels. Shrubby tree. Scratched twig does not have the same bitter almond smell that a Black cherry would have.
Inconspicuous EFN on leaf petiole

Messinger and Wilson (Common Bees of Eastern North America), "Female A. vitescens are a unique combination of green thorax and black-and-whiteabdomen."

Several nectaring deep into blooming prickly pear, one of few insects doing so last two days.