Snowberry clearwing

I expect this to be Hemaris diffinis or “Snowberry clearwing,” a moth in the Sphingidae family (subfamily Macroglossinae). See how this moth gets its name from a host plant: http://365project.org/felthamsfotographica/365/2013-01-05

Confirmed at BAMONA as Hemaris diffinis or “Snowberry clearwing”; http://www.butterfliesandmoths.org/sighting_details/906929

Species page at BAMONA, http://www.butterfliesandmoths.org/species/Hemaris-diffinis

One year ago (“Another butterfly? I’m sorry! Only 5 frames today”): http://365project.org/rhoing/365/2012-06-23
Two years ago (“Day lily … at night”): http://365project.org/rhoing/365/2011-06-23

[Ellen E]

I've never seen one of those. Looks great on that purple.

[Rick Schies]

A lovely cluster