Evans, Howard Ensign. <br/><br/>
Studies on the comparative ethology of digger wasps of the genus Bembix / 
Howard E. Evans. 
 - Ithaca :  Comstock Publishing Associates,  1957. 
 - 248 p. :  ill. ;  23 cm. 
 - Cornell studies in entomology. .
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bembix.<br/>Insects--Behavior.