Proceedings of 

 the United States 

 National Museum 



SMITHSONIAN INSTITUTION • WASHINGTON, D.C. 



Volume 117 1965 Number 3509 



NEOTROPICAL HEMEROBIIDAE 

 IN THE UNITED STATES NATIONAL MUSEUM 



By Waro Nakahara ' 



Introduction 



In this paper I present the results of my studies on the Central and 

 South American Hemerobiidae in the collection of the U.S. National 

 Museum. The greater part of this material, consisting of some 200 

 specimens, has not hitherto been studied although several of the 

 specimens have been previously determined by Banks, Parfin, Townes, 

 or Gurney. 



Of the 27 species contained in the collection, 19 are documented 

 here, including 5 that are new and 1 representing a new genus. Eight 

 other species could not be determined specifically because of in- 

 suflBcient material or for other reasons. These, together with the 

 overwhelming majority of some 70 species previously described from 

 the Neotropical region, but not recognized in the material examined, 

 are not included. Many of the older species are described so inade- 

 quately that their identification is practically impossible, and this 

 situation is likely to prevail until someone locates the types and 

 makes known the anatomy of the male genitalia. 



I wish to thank Dr. Oliver S. Flint, Jr., of the U.S. National 

 Museum, not only for his kindness in permitting me to examine the 



' 1141 Mejiro, Toshima-ku, Tokyo, Japan. 



107 



