1974 xv, 360 p., 85 figures, paperbound. Library stamps.Originally published in the Soviet Union in 1964, this is the English translation from the Russian by J. E. Moore and I. Thiele, with the help of the author and subsequently edited by the entomologists, B. Hocking, H. Oldroyd and G. E. Ball. A well-illustrated work which include the descriptions of several new taxa, including fossil species.