Richards, O W <br/><br/>
IMMS' general text book of entomology. 2V: V1-Classification and biology 

 - 10th ed. 
 - London  Chapman and Hall  1977 
 - viii, 1354 p. 
<br/><br/><label>ISBN: </label> POU19.95 
<br/><br/><label>Dewey Class. No.: </label>595.7 R392I(10)