220 Mosquitoes 



SUBFAMILY PSOROPHORIN/E. 



3. Mouth brushes of a few heavy bristles directed 



outward at right angles to head, or folded 

 under. Antennae near middle of side of head. 



PsoropJiora. 



Mouth brushes of thin hairs directed forward. 



Antennae situated far forward. Larva not 



very large 4 



SUBFAMILY CULICINiE. 



4. Having head tufts A 1 and B two-branc' ed. An- 



tennae longer than head ; comb in one row of 

 about eight spines; breathing tube inflated, 

 and with one small or minute tuft above 

 middle ; pecten of four to six teeth 



Jantliinosoma. 

 Having no such series of characters 5 



5. Ventral tufts of ninth segment, if present, with 



the caudal three pairs having three or more 

 branches. Tuft C of two or more hairs. . . .6 

 Ventral tufts of ninth segment consisting of 

 about five pairs of bifurcate (rarely the caudal 

 pair of trifurcate) hairs. Tufts A, B, and C 

 of single hairs. Antennae bare and with a 

 single hair in place of the tuft. Comb in one 

 row Stegomyia. 



6. With the pecten not extending beyond the single 



tuft. Comb three-rowed. Anal gills shorter 

 than ventral tuft, and about as long as ninth 

 segment, which is not ringed by chitin. Tufts 



A and B eight-haired Lepidoplatys. 



Without this series of characters 7 



1 See Fig. 40, page 224. 



