Caterpillar of the Satin Moth
Satin moth is the common name of liparis salicis. The caterpillar bears a row of white spots down the middle of the back. This row is bordered on each side by a broad black stripe. The caterpillars usually feed on poplars and willows.
GalleriesLepidoptera: Moths and Butterflies
Nicholson, George The Illustrated Dictionary of Gardening, Div. VI (London, England: L. Upcott Gill, 1884)