ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



VOL. XVII. 



DECEMBER, 1906. 



No. 10. 



CONTENTS 



Miller— Some notes on the Dragonflies 



of Waterloo, Iowa 357 



Sanderson— Texas Notes— III 361 



Kehn— Conocephalus lyristes 366 



Davis— Number of eggs of Samia ce- 

 cropia, Pulvinaria innumerabilis, 



and Culex pipiens 368 



Melander— Some new or little-known 



genera of Empididae 370 



Skinner— A new variety of Papilio ru- 



tulus Boisd 379 



Skinner — A new Syntomeida 379 



Weber — The song of the Mosquito .... 380 



Girault — The method of feeding in Lep- 



toglossus 382 



Van Duzee — New North American 



Heteroptera 384 



Jones— A new Cuterebra from Nebraska 391 

 Fall— A new Platycerus and a new Ple- 



ocoma 393 



Soule— Notes on Moths 395 



Editorial 398 



Notes and News 399 



Entomological Literature 400 



Doings of Societies 403 



Some notes on the Dragonflies of Waterloo, Iowa. 

 By Newton Miller, Thorn town, Iowa. 



Waterloo is situated in the northeastern part of Iowa on the 

 Red Cedar River. This region in general is level and dotted 

 with ponds and sloughs. One of these sloughs extends along 

 the northern edge of Waterloo around in a northwesterly 

 direction for about a half mile, with a maximum width of 

 about 175 or 200 yards. Its southern end communicates with 

 the river, and its northern end terminates in more or less iso- 

 lated ponds which extend almost to the river. During high 

 water a large quantity of water from the river finds its way 

 through this slough. Entering the slough, near town from 

 the east, is a small stream six or eight feet wide. In and 

 about this slough is a rank growth of wild rice, flags, cattails 

 and smaller species. Around the northern end is a grove of 

 small trees. 



Such conditions are typical of a great number of places 

 within a radius of a few miles of Waterloo. Those farther 

 away from the river have in most cases no trees about them. 



Red Cedar River, where it flows through Waterloo, is about 

 75 yards wide and is shallow for a river of its width. In the 



357 



