144 ENTOMOLOGICAL SOCIETY 



Culex restuans Theob. 



The larva occurred sparingly in permanent water both at 

 Center Harbor and Durham. At the former place in spring 

 pools, at the latter in a tub set in the woods for watering cattle. 

 It greatly resembles that of C. pipiens, especially the pale form 

 of that larva, but the outer part of the antennal joint is not 

 shortened as is usual in the long-tubed mosquitoes, so that the 

 tuft arises from the middle. This is a curious character, some 

 what contradictory of the general characters of its group, but 

 rendering its recognition easy. Only one adult was taken, a 

 male, the species being rare. Breeding is probably continuous, 

 with hibernation as adult. No eggs were obtained in New 

 Hampshire, but I have found them at Washington, on my return 

 in the fall. They are laid in large boats exactly as in C. 

 pipiens. 



Culex pipiens Linn. 



As stated above, this species was absent from Center Harbor. 

 It was not uncommon at Durham, and many normal larvae with 

 the antennas completely infuscated were taken from a drainage 

 ditch in a meadow. Other larvae from the cattle tub, mentioned 

 above, differed in being much paler, causing the antennae to 

 appear pale at the base, which led me to suppose that I was deal 

 ing with a different species ; but Mr. Coquillett has examined the 

 two bred series of adults and pronounces them alike. 



Culex atropalpus Coq. ^ 



Two small pools in hollows in the flat surface of a rock beside 

 a stream in the woods on the side of Mt. Ossipee were exam 

 ined in September. One contained a colony of C. territans, 

 the other, three feet distant, contained this species. The larva 

 resembles that of C. canadensis, but the tube is shorter, the anal 

 plate smaller, and the anal finger-shaped processes contain con 

 spicuous tracheae. In this particular colony these processes 

 were enormously enlarged. The species did not occur near Cen 

 ter Harbor (Mt. Ossipee is ten miles distant) ; there are no rock 

 pools there. No adults were taken. 



Since my return to Washington, Mr. H. S. Barber has kindly 

 shown me this species breeding abundantly in water-filled pot 

 holes at the edge of the Potomac river above Plummer's Island, 

 Md. It was accompanied by C. territans as in New Hampshire. 

 Apparently C. atropalpus breeds only in these rock pools. 

 Culex per turbans Walk. 



Several examples were taken in July, but the species was 

 quite rare and I learned nothing about the early stages. 

 Culex sollicitans Walk. 



One example, taken at Durham during the day spent there. 

 The species was not seen at Center Harbor which is seventy-five 

 miles from salt water. 



