ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XVII. 



NOVEMBER, 1906. 



No. 9. 



CONTENTS: 



Britton The Maple Leaf-Stem Borer 

 or Sawfly 313 



Osborn The species of Cicada related 

 to tibicen 321 



Slosson Additional list of insects taken 

 in alpine region of Mt. Washington 323 



Sanderson Texas Notes II 327 



Knaus Coleoptera of the Sacramento 

 Mts. of Xe\v Mexico III 329 



Rehn A new species of Proscopid 

 (Acrididae) from the Amazon Re- 

 gion 332 



Bergroth A new genus of Lygaeidae 



from Japan 335 



Banks Two new Termites 336 



Moore Notes on habits of Cicindela.. 338 

 Grabham A new Corethrella from Ja- 

 maica 343 



Editorial 346 



Notes and News 347 



On the formation of an Entomological 

 Society of America 352 



The Maple Leaf-Stem Borer or Sawfly. 



Priophorus acericaulis MacGillivray. 

 A NEW ENEMY OF THE SUGAR MAPLE. 



(Plate XIV) 



BY W. E. BRITTON. 

 HISTORY IN CONNECTICUT. 



For the past seven years sugar maples in certain localities in 

 Connecticut have been attacked by some insect which tunnels 

 in the leaf stem or petiole during the month of May. The mat- 

 ter was first brought to my attention June 3d, 1899, by the fol- 

 lowing letter from Mr. W. S. White, of Danbury : "I enclose 

 some leaf stems from a sugar maple in my front yard. In these 

 steins is a small worm which, when matured, is about one-half 

 inch long. . . .At first, about four or five years ago, they were 

 confined to one tree ; now they have gone to all the surrounding 

 maples. They seem now to be confined to this one locality. 

 People about here are considerably disturbed about it, as it 

 seems now like a serious matter. I can hear of nothing like it 

 from any other quarter. Destroying the foliage at this time of 

 the year, will it sooner or later kill the trees, and is there any 

 way of destroying the worm or insect? Is it found in other 



313 



