ENTOMOLOGICAL NEWS 



AND 



PROCEEDINGS OF THE ENTOMOLOGICAL SECTION 



ACADEMY OF NATURAL SCIENCES, PHILADELPHIA. 



Vol. XIV. DECEMBER, 1903. No. 10. 



CONTENTS: 



Smith — Notes on Culex serratus 309 



Ottoleiigui— A new Saturniafrom N.A. 311 



Caudell— Note on Phasmidae 314 



McElfresh— A method of collecting.. . 316 



Hoag— Collecting in Mexico 319 



Girault— A new species of Gall Wasp 

 (Cynipidae) from Goldenrod (Soli- 

 dago) 323 



Coquillett— A new Ephydridid 324 



Rehn— Notes and remarks on North 

 American Blattidse, Mantidse and 



Phasmidae 325 



Cockerell — Some North American bees 331 



Editorial 334 



Doings of Societies 336 



Notes on Culex Serratus Theob., and its 



Early Stages. 



By John B. Smith. 



(With Plate XV.) 



Culex serratus is a moderate-sized black mosquito, originally 

 described from South America, and characterized by a silvery- 

 white stripe through the middle of the thorax. The posterior 

 segments of the abdomen are also white-marked laterally, the 

 extent of the maculation and the number of segments involved 

 varying somewhat. Figure i of plate xv represents a normal 

 specimen. 



The first inkling that this species occurred in New Jersey 

 came when Mr. Clarence Van Duersen, an office assistant, was 

 sent into a low swampy woodland near New Brunswick, July 

 29th, to collect whatever mosquito larvae could be found there. 

 Among other things, he brought back a robust blackish larva, 

 conspicuous by a white-marked thoracic region and a white 

 ring, comprising two abdominal segments, just before the 

 anal siphon. These were at once separated out from the other 

 forms as unknown, and with them were associated a number 

 of pupae that appeared to belong with them. From the pupae 



309 



