ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Vol. XXII. JUNE, 1911. No. 6. 



CONTENTS: 



Davis— The Woolly Aphis of Oak (Phyl- 

 laphis ? querci Fitch) (Hemip.) 241 



Kirkaldy — A new Species of Gerris 

 (Hemip. 1 246 



Rehn — Notes on Paraguayan Orthop- 

 tera, with descriptions of a new 

 Genus and four new species 247 



Barber — Arrangement of the Species of 

 Dendrocoris Bergr., with the de- 

 scriptions of two new Species 268 



Dow — On some rare Cicindela (Coleop.) 271 

 Dury — Some new Beetles from North 

 Carolina, with Ecological Notes 

 f Coleop.) 273 



Skinner — Lycaena enoptes, battoides Editorial 276 



and glaucon (Lepid.) 259 ! Notes and News 277 



Rohwer— A new Sawfly of Economic I Entomological Literature 279 



Importance (Hymen.) 263 ' Doings of Societies 285 



Barnes and McDunnough — Concerning ! Obituary — Dr. Herman Willem van der 



Archylus tener Druce (Lepid.) 265 | Weele 287 



Barnes and McDunnough — Some re- 1 " Dr. Edouard Piaget 288 



marks on Mastor bellus and M. " Dr. Samuel Hubbard Scud- 



phylace (Lepid.) 267 ' der 288 



The Woolly Aphis of Oak (Phyllaphis ? querci Fitch) 



(Hemip.). 



By John J. Davis. * 

 (Plate VII) 

 A woolly aphis, which is possibly the species described by 

 Fitch as Eriosoma querci, has been collected by us on oak foli- 

 age from various localities in Illinois, definite collections hav- 

 ing been made at Chicago, Joliet, Aurora, Rockford, Peoria 

 and Danville. I have also received this species from Mr. W. 

 P. Flint, who collected it on oak at Normal, Illinois. 



Doctor Fitch described this species in his Fifth Report t as 



follows : — 



"Oak Blight, Erioso'ma querci, new species. 

 "A species of blight, or a woolly aphis upon oak limbs, puncturing 

 them and exhausting them of their sap, was met with in northern 

 Illinois ,but I have never seen it in New York. It is ver}' like a simi- 

 lar insect upon the basswood. The winged individuals are black 

 throughout, and slightU^ dusted over with an ash-gray powder re- 

 sembling mold. The fore wings are clear and glassy, with the stigma- 



*Formerly of the office of the State Entomologist, Urbana, Illinois ; 

 now at the Experiment Station Building, Lafayette, Indiana. 



t Fifth Report of the State Entomologist of New York. Ann. 

 Rep. N. Y. State Agr. Soc. f. 1858 (1859). P- 804. 



241 



