MOSQUITOS OR CUJLICIDAE OP NEW YORK STATE 39le 



tapering to an obscure point, basal portion stout. Larva with a 

 small, slightly curved, subcylindric air tube, and comb consisting 

 of a few simple spines attached to the posterior margin of a 

 chitinous plate. Species, sapphirina O. S. 



Aedes. Petiole of first fork cell of female wing about two thirds 

 the length of the cell. Posterior cross vein several times its length 

 from mid cross vein. Lateral scales very distinct from the closely 

 appressed, rather broad vein scales. Male wing nearly the same 

 except for its scantier clothing. Terminal clasp segment of male 

 genitalia subapical with a subapical spine and conspicuous basal 

 lobe. Harpes and harpagones relatively inconsj)icuous. Larva' 

 with moderate sized air tube and comb composed of a few spine- 

 like scales. Species, fuscous O. S. 



Wyeomyia. Petiole of first foTk cell of female wing nearly one 

 half the length of the cell. Posterior cross vein about its own 

 length from mid cross vein. Lateral scales very distinct from the 

 rather closely appressed broad vein scales. Terminal clasp seg- 

 ment of male genitalia an irregular, semitransparent, trifid, spined 

 structure. Larva with large setae irregularly disposed on the 

 moderate sized air tube, and the comb composed of a few spinelike 

 scales bordered by a transparent, serrate margin. Species, 

 s m i t h i i Coq. 



Sayomyia. Petiole of anterior fork cell of female wing about 

 as long as the cell. Posterior cross vein about its length from 

 mid cross vein. Veins rather thickly clothed with almost linear 

 scales. Terminal clasp segment of male genitalia rather slender, 

 tapering, with long apical spine. Harpes and harpagones incon- 

 spicuous. Larva predaceous, with pigmented air sacs in thoracic 

 and eighth abdominal segments ; no air tube. Species, p u n c t i - 

 p e n n i s Say, trivittata Loew., a 1 b i p e s Johns.^ 

 rotundifolia Felt, americana Johns., h u d s o n i 

 Felt. 



Eucorethra. Petiole of ante'rior fork cell of female wing about 

 two thirds the length of the cell, cross veins interstitial or nearly 

 so. Vein scales thick, almost linear. Terminal clasp segment of 

 male genitalia stout, slighty curved, with small apical spine; 



