384 



Annals Entomological Society of America [Vol. IV, 



Hyper a and Phytonomus. Specimens have been seen of all the 

 species reported from this region, and the types of six species 

 have been examined. 



In connection with the study of the American species the 

 author has studied 45 of the European species, in some cases 

 including .a large number of specimens. Over 500 American 

 specimens have been examined, exclusive of several thousand 

 specimens of P. posticus. 



ACKNOWLEDGMENTS. 



It is with pleasure that I here acknowledge the generous 

 loans and gifts of material and the receipt of many records 

 from the various sources here given. 



M up 1. Distribution of Hypera and Phytonomus. 



From the personal collections of C. A. Frost, Framingham, 

 Mass.; F. A. Sherriff, Melrose Highlands, Mass.; Frederick 

 Blanchard, Tyngsboro, Mass. ; C. T. Brues, Bussey Institu- 

 tion, Harvard University; Charles Schaeffer, Brooklyn, N. Y. ; 

 R. P. Dow, New York, N. Y.; E. A. Bischoff, Irvington, N. J.; 

 Henry Wenzel, Philadelphia, Pa. ; W. S. Blatchley, Indianapo- 

 lis, Ind. ; J. D. Evans, Trenton, Ont.; A. B. Wolcott, Chicago, 

 111. ; Prof. H. F. Wickham, Iowa City, la. ; R. L. Webster, Ames, 

 Iowa; Warren Knaus, McPherson, Kan.; Franklin Sherman, 

 Jr., Raleigh, N. C; Norman Criddle, Aweme, Man.; Trevor 



