424 A Monograph of Culieidae. 



Notes on life-history and habits. — It appears to be essentially 

 a salt-marsh mosquito, and occurs in places alongside of 

 Grabhamia sollicltans. 



Professor J. B. Smith states that the larvae may occur anywhere 

 on marsh land in New Jersey, in brackish as well as fresh water, 

 and that it seems to prefer pools near the upland which are 

 mostly formed by rains and springs working down from the 

 highlands. It appears to hibernate in the adult state, and 

 never gets far away from the edge of the salt-marsh. Professor 

 Smith also states that the adults hide away in any shelter, but 

 prefer cellars. 



The eggs are laid in boat-shaped masses similar to those of 

 pipiens, fatigans, and nigritulus. 



Unlike marsh mosquitoes it is found in more permanent pools 

 where other salt-marsh species are not found. The larva has 

 been figured by Dr. Dyar (Journ. N. Y. Ent. Soc, XL, PI. II., 

 Fig. 3). 



The head is sub-quadrate, and it has a long slender 

 sub-anal tube. 



According to W. D. Coquillett it resembles the larva of 

 G territans, from which it can only be distinguished by the 

 spinous processes on the sub -anal tube having three or four 

 branches instead of a single branch. 



According to Professor J. B. Smith the larva may be 

 recognised by its dirty white colour and the very long, 

 moderately stout air tube. The labial plate is broadly 

 triangular with eight teeth on each side. It has a double 

 pecten, each tooth coarsely three spined and scattered hairs 

 beyond. The comb consists of about forty narrow long-fringed 

 scales in three rows. 



CULEX FRAGILIS. Ludlow (1903). 



Journ. N. Y. Ent. Soc. Vol. XI., p. 142 (1903). 



Head dark, with pale ochraceous scales, paler around the 

 eyes and sides ; proboscis light brown. Thorax very light, with 

 two dusky sub-median lines and a light greenish-brown tinge, 

 with frosty tomentum as in Anojtheles, with small fine golden 

 hair-like scales ; metanotum almost white ; pleurae a soft blue- 

 green. The whole thorax with a greenish tinge and translucent 

 appearance. Abdomen dark green, with thin opalescent white 

 scales. Legs pale unhanded. 



