Simmonds, F. J. <br/><br/>
A factor affecting diapause in hymeropterous parasites / 
F. J. Si mmonds. 
 - [s.l :  s.n,  1946]. 
 - v. :  30 cm. 
<br/><br/> Bull. Ent. Res. 37(1946) 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hymeroptera.
<br/><br/><label>Dewey Class. No.: </label>595.79