Genus Culiseta. 



385 



£ . Palpi brown, uiibanded, without hair-tufts, the two end 

 segments not swollen, long, of about equal length ; thorax and 

 abdomen as in the J . Ungues of fore and mid legs unequal, 

 the larger bi- the smaller uniserrate, posterior ones equal and 

 simple. 



Wings with the first sub-marginal longer and much narrower 

 than the second posterior cell, its base nearer the apex of the 

 wing, its stem about two-thirds the length of the cell : stem of 

 the second posterior not quite as long as the broad cell ; super- 



Fig. 157. 

 Wing of Culiseta absobrina. cf. Felt. 



numerary[and mid cross-veins meet at an angle, posterior a little 

 behind the mid. Genitalia with basal lobe thick, stout, hairy ; 

 claspers slender, uniformly curved. 



Habitat. — Elizabethtown, Sarawac, New York. 



Time of capture. — July and August. 



Larva. — " Antenna stout, curved, with a thick well- 

 developed tuft of plumose hairs at its basal third, and a pair of 

 long slender spines on the apical fifth, in addition to one long 

 spine and two rudimentary tapering processes at the apex. 

 Labial plate sub -triangular, with twenty rather fine teeth, basal 

 portion with distinct rather coarse reticulations. Comb of a 

 triangular patch of sixty scales arranged in five irregular rows, 

 each scale with a brown basal, somewhat spatulate enlargement, 

 and terminated by an expanded, nearly colourless tip, bearing a 

 series of rather fine sub-equal, apical spines, smaller spines on 

 each side down to the base. Air tube four times as long as wide, 

 with two rows of pecten at the basal fifth, each consisting of 

 about fourteen closely set teeth bearing at their bases one or two 

 conspicuous processes." 



Found by Professor E. P. Felt in a cold mountain pool. 



Observations. — This species is redescribed from specimens 

 sent by Professor Felt. The thoracic adornment differs in the <J? 



vol. iv. 2 c 



