black blister beetle (epicauta pensylvanica) on the mosaic floor : (pix sanjiv shukla)

black blister beetle epicauta pensylvanica aster bug burning blister black family meloidae exoskeleton mandible defensive secretion cantharidin insect aposematically segments appendage bright color colour toxicity predators larva larvae insectivorous head thorax abdomen sensory perception odour odor chemical substances bees feed grasshopper eggs parasitoids meloid flowers leaves plants poisonous skin folk medicine toxic nature natural legs antenna antennae flying fly agent species entomology stages environment ecology survive adults spanish hard appearance