

. 





New York State Education Department 



i F. TIN' 343 





New York State Museum 



Jonx M. O-AkKK Director 



M 1'nuTKu l ; Ki,i State Entomologist 



Bulletin 86 

 ENTOMOLOGY 23 



MAY FLIES AND MIDGES OF NEW YORK 



THIRD REPORT ON AQUATIC INSECTS 



A study conducted at the entomologic tieid station, Ithaca N. V. under the- direction I 

 EPHRAIM PORTER FELT D.Sc. 



BY 



JAMES G. NEEDHAM Ph.D. Professor of biology, Lake Forest College 



KHXXETH J. MORTON F.E.S.L. Edinburgh, Scotland 



O. A. JOHAXXSEX .M.S. Instructor in civil engineering, Cornell University 





Preface 4 



Introduction - 



Summer Food of the Bullfrog at 



Saranac Inn. J. G. NEKIHIAM 9 



Ephemeridae. J. G. NEEDHAM .. 17 

 Xorth American Hydroptilidae. 



K. J. MORTON 63 





Aquatic Nematocerous Dipi 



II. O. A. JOHAXXSKN 76 



Explanation to the plait > 316 



Legenda to text figure.-- 



Plates 1-37 fj 



Index . 



Me ii4:n-s , .. 



ALBANY 



NKVV YORK STATI-: EDUCATION I >I-:i'AKTM I \ I 



1905 



Price 80 cents 



