Blister beetle, munching on a flower.
A pair of mating blister beetles, along with another lonely male nearby.
What species? Will take another photo with better lighting, but is about 2cm long, with red femoral markings and matte purplish elytra. (Common name: Bronze Blister Beetle)
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.