The spiny oak slug (Euclea delphinii) is the larva (caterpillar) of a limacodid moth. The North American variant of this moth is mostly dark brown, with a conspicuous triangular green patch on the median portion of the upper wing. The larva has a bright green — in today’s parlance, many would likely call it “neon green” — body with two longitudinal pale green, orange, or red stripes. These stripes are adorned with a series of spiny tubercles. Additional spiny tubercles adorn the peripheral body. The spines on the tubercles… [...]