EXPERIMENT .STATION EEPOUT. 6Gr 



New BruiisAvick. It appears to be among the earliest of our spring 

 species. In 1905 adults hatched May 1st from pui>8e collected 

 x\pril 28th, but no larvae could be found among those still remain- 

 ing unchanged, all having already transformed to the following 

 stage. In lOOG the 'first larva was taken April 20th, associated 

 with C. canadensw in a woodland pool on the Orange mountains. 

 This changed to a pupa on the 23d and produced a male adult on 

 April 2Tth. Two other larvae were taken from the same locality on 

 the 24tli of Ajwil. On the 25th quite a munlier were secured froin 

 Livingston Park also in company with canadeu.sls, and from this 

 lot eleven males and three females emerged in the six days follow- 

 ing. The larva has hitherto not been well described by this otiice, 

 the description appearing in the preceding report being obtained 

 from published data. It may be characterized as follows: 



When full gi'own it is about 7 nnn. or .28 of an inch in length, 

 exclusive of the aiial siphon. It is more robust than canadensis, 

 though scarcely larger, and can usually be distinguished from that 

 species by this fact alone. In color it is dirty yellowish-gray. The 

 head is considerably broiader thau long, slightly excavated l)elow 

 the antennal offset and well rounded in frout; four single hairs 

 are on the central portion of the vertex, the posterior two situated 

 immediately in front of the median line, the anterior two slightly 

 in advance of these, and both lateral pairs placed rather wide apart. 

 A single tuft of three hairs is at the base of each antenna. The 

 antenna (Fignire 9, 1) is uniforndy grayish-brown in coLu-. of 

 moderate size, slightly and i-egiilarly curved inward, somewhat 

 excavated a short distance from the base, giving the extreme liaso 

 a swollen appearance, and terminated by one very long spine, three 

 shorter ones and a short, stubby peg. The tuft, composed of four 

 to six hairs, is situated on the shaft a. little below the middle, and 

 the surface of the antenna is set with short, stout spines and several 

 rows of minute ones on the basal half. The meaitum (Figure 9, 

 2) is broadly triangular with twelve or thirteen small regular 

 teeth on each side of the apex. The mandible and palpus (Figure 

 9, 3 and 4), respectively, are of the usual Culex type and ar(^ 

 best described by referring to the figures. The thorax is ratlun- 

 large and robust, with slight lateral angles which give rise to tufts 

 of long hair; two smaller tufts are on the anterior margin. The 

 abdominal segments from one to seven are sulxpuidrate as \\<\vA, 



