big-headed ants eating a dead pink-spotted hawk moth

acherontiini agrius animal ant ants arthropoda big brown butterflies butterfly cingulata dead entomology fauna formicidae hawk hawkmoth headed hexapod hymenoptera insect insecta insects invasion invertebrate lepidoptera macro megacephala moth myrmicinae myrmicine nature nocturnal pheidole pink sphingidae sphinginae sphinx spotted wildlife wings worker