Imms' general textbook of entomology : vol.1, Structure, physiology and development / O. W. Richards and R. G. Davies Richards O. W. Davies, R. G. jt. aut. Entomology. 595.7 RII Includes bibliographical references and index London : Chapman & Hal 1977 ( 1996 printing ). 1977 ( 1996 printing ). 1977 Text v. : eng