MOSQUITOS Oil CULICIDAE OP NEW YORK STATE 



321 



golden yellow scales, and traces of similaT sublateral ones near 

 the base of the wings. Posterior portion of prothorax smooth, 

 bordered anteriorly hj lan irregular patch of golden yellow 

 scales, with black hairs intermixed. wScutellum crowned with 

 long, black hairs and with somewhat irregular, obsolete, sub- 

 median patches of golden yellow scales; postscutellum smooth, 

 slaty gray. Pleura sparsely clothed with irregular patches of 



Pig-. 67 Comb scale 

 of C. absobrinus 

 much enlarged 



Air tube of C. abso- 



silvery yellow scales. Abdomen dark brown, with rather nar- 

 row, basal bands of silvery white scales; sparsely clothed, spe- 

 cially laterall}"-, with slender, golden yellow hairs. Basal portion 

 of clasp sti)ut, thickly haired, yellowish brown; apical portion 

 slender, uniformly curved, yellowish brown. Ventral surface 

 brownisih black, that of the second, third and fourth segments 

 being sparsely clothed with silvery yellow scales, and each of 

 the latter with a distinct basal band of the same color. Wings 

 hyaline; anterior margin and first longitudinal vein rather 

 thickly clothed with dark brown sicales, others with lighter col- 

 ored ones; fringe slaty gray. Petiole of first submarginal cell 

 about equal in length to the cell, that of the second about one- 

 fouTth longer. Posterior cross vein less than' its own length 

 from mid cross vein. Halteres, basal portion pale yellowish white, 

 apical portion capitate, dark brown. Coxae slaty gray, golden 

 yellow apically. Legs -dark purplish brown, with apexes of 

 femora and tibiae clothed with golden yellow scales. Anterior 



