side view of a gray lytta blister beetle crawling up blades of green grass.

coleoptera long island lytta meloidae york animal antenna arthropod beetle blister bug cantharidin closeup crawling cucujiformia defense mechanism ecology elytra endoptergotes entomologist entomology exoskeleton grass gray green hairy hunting hypermetamorphic insects macro meadow medical insect metamorphosis nature north america orange poisionous secretion pollinator predator side view silver spring springtime toxic united states wildlife wings blades usa grass