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 < oquillett A new Ephydridid 324 



Ottolengui Anew Saturnia from 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 

 (Cynipidie) from Goldenrod (Soli- 

 dago) 323 



Rehn Notes and remarks on North 

 American Blattidse, Mantidae and 



Phasnv'dae 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 

 2gth, 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 



