female, very poisonous black-blue oil beetle, schwarzblauer Ölkäfer, blister beetle, meloe proscarabaeus

meloe proscarabaeus apara lkacurren fer oelkaefer european oil beetle nature bug blister insect pest characteristic tree bark rind wood trunk conservation protection environment danger dangerous macro closeup ecosystem black infestation animal female cantharidin poison poisonous toxin toxic toxical feelers antennae biology entomology wild wildlife