Library of Congress Cataloging in Publication Data 



Main entry under title: 



Catalog of Hymenoptera in American north of 

 Mexico. 



"An outgrowth of . . . Hymenoptera of America 

 north of Mexico, synoptic catalog (1951) in- 

 cluding the first and second supplements (1958, 

 1967)" 



Includes index. 



CONTENTS: v.l. Symphyta and Apocrita 

 (Parasitica). — v. 2. Apocrita (Aculeata) 



1. Hymenoptera — North America. 2. Insects — 

 North America. I. Krombein, Karl V. 

 QL567.1.A1C37 595.7'9'097 78-606008 



