Spurge Spanworm Caterpillar (and Predator)

This spurge spanworm caterpillar (Oxydia vesulia) is expertly camouflaged as a stick, but that did not do it much good against the nest of tiny scorpions it happened to wander over. I saw the caterpillar on the wood and took a photo of it — and only saw the suspicious, grasping claws after enlarging the…