Saltmarsh Moth Caterpillar

This little fellow is (very probably) a Saltmarsh Moth caterpillar (Estigmene acrea), but again this is one of those “identifications” wherein this could also be any one of a number of closely related species. Below, an earlier instar salt marsh moth caterpillar does an amazing yoga pose: The just-hatched caterpillars are mostly yellow, with little…