Chetone histrio Boisduval, 1870 Hering, M. (1925). Pericopidae. In: Seitz, A. (ed.), The Macrolepidoptera of the World, vol. 6, The American Bombyces and Sphinges. Alfred Kernen, Stuttgart; p. 439, pl. 62 e (as Pericopis histrio). P. histrio Fldr. (62 e). Ground-colour of the wings brown, the forewing basally with 5 or 6 black longitudinal stripes, a black spot at the cell-end, opposite which a similar one is at the costa, 2 or 3 black spots between the 2nd cubitus and the 3rd median branch; apical part black, with a marginal line of yellow and white spots. At the costa a yellow spot and a yellow band of a variable extent. Hindwing on two thirds of the costa, in the cell, distal margin and proximal margin black, with yellow or brown submarginal spots. Fringes at the apex white. Amazon River. -- In the form eugenia Drc. (62 e) the yellow band of the forewing is absent, and its apical part is much narrower black. P. histrio copies Heliconius euphone Fldr. and Lycorea ceres Cr. (Vol. V, t. 31 c).