Die Bombyces und Sphinges der Westpalaearktis (Insecta, Lepidoptera). Band 4: Sesioidea: Sessidae. 1997. 27 col. plates. Many coloured habitat photographs. 126 distribution maps. Portraits of some bombyces specialists. 243 figs. in the text. 432 p. 4to. Cloth.-In German.