Some time ago when examining some Batocerini (Cerambycidae, Lamiinae) I was struck by the strange pattern of Apriona fasciata Rits. (cf. Ritsema, Notes Leyden Mus., vol. 20, 1898, p. 87) of which species our Museum possesses a single female specimen, the unique type (fig. 1). Especially the "five naked transverse bands" puzzled me because no indication of such a zebra-pattern is found in any other known species of the genus Apriona. Examining the specimen very carefully I found out that these transverse bands were artificially produced by removing the yellowish scales from the elytra with a sharp object the marks of which are clearly seen under the microscope. This proves