194 PROCEEDINGS OF THE NATIONAL MUSEUM. ''oi,. 56. 



Plate 40. 

 Forewings of female. 



Fig. 11. Anisotylus similis utahensis. Salt Lake City, Utah. 



12. A. pallentipes. Oracle, Arizona. 



13. Homalotylus brevicauda. Ignacio, Mexico. 



14. Brethesia latifrons. Mendoza, Argentina. 



15. Isodromus iceryae. San Diego, California. 



Plate 41. 

 Forewings of female. 



Fig. 16. I. atrivmtris. Melrose Highlands, Massachusetts. 



17. I. vinulus. Sweden. 



18. I. puncticeps. District of Columbia. 



19. J. niger. Murray, Utah. 



