Short, J. R. T. <br/><br/>
A Description and Classification of the Final Instar Larvae of the Ichneumonidae (insecta, hymenoptera ) 

 - Washington :   Smithsonian Institution,   1959. 
 - 391 p. ;   18 cm. 
 - Proceedings of the United States National Museum ;   v.110, n.3419 .