09 Sep 2014.
Pennypack Ecological Restoration Trust, Montgomery Co, PA.
Found on Solidago in a meadow.
Blister beetle - Meloidae - attracted to MV/BL trap - very common - Mesquite forest near dry creek - LEG: Robert J. Nuelle III (rnuelle3)
E. arizonica, perhaps?
Iron-cross blister beetles; several together on prickly pear
Blister beetles are beetles (Coleoptera) of the family Meloidae, so called for their defensive secretion of a blistering agent, cantharidin. There are approximately 7,500 known species worldwide. Many are conspicuous and some aposematically colored, announcing their toxicity to would-be predators.