'ROCEEDINGS OF THE UNITED STATES NATIONAL MUSEUM 



SMITHSONIAN INSTITUTION 



U. S. NATIONAL MUSEUM 



ol. 105 Washington : 1956 No. 3359 



?YPE SPECIES OF THE GENERA AND SUBGENERA OF 

 PARASITIC WASPS COMPRISING THE SUPERFAMILY 

 PROCTOTRUPOIDEA (ORDER HYMENOPTERA) 



By C. F. W. MuESEBECK^ and Luella M. Walklet^ 



Introduction 



The International Commission on Zoological Nomenclature em- 

 )hasized the importance of genotype fixation by the adoption of 

 m amendment to Article 25 of the Rules, effective Jan. 1, 1931, 

 •equiring that the description of any new genus be accompanied 

 )y "a definite, unambiguous designation of the type species." 

 rhe steady and rapid expansion of our knowledge of insects has 

 'esulted in increasingly critical taxonomic study with constant 

 adjustment of concepts at all levels of classification. Since the 

 ?enus is one of the most significant of the various categories in- 

 volved, it must be nicely defined in order that classifications may 

 3e developed on solid bases and the nomenclature will be as stable 

 IS possible. Essentially the definition of the genus must be based 



* U. S. Department of Agriculture, Entomology Research Branch, Insect Identification and 

 'arasite Introduction Section. 



