316 



THE CANADIAN ENTOMOLOGIST. 



Aedes pertinax, , nov. sp. — 9 . Head with a triangular, yellow area 

 in the centre, made up of yellow hairs and narrow curved scales, some rather 

 broad, flattened ones at the sides, sides and back of the head black, with 

 many upright forktd scales and hairs ; antennce dark brown, with silvery 

 hairs on the joints; palpi and proboscis black, speckled with silvery 

 hairs. Clypeus dark brown. Prothoracic lobes black, with many long 

 black hairs. Mesothorax black, sparingly covered with very small narrow 

 curved dark brown scales, a narrow line of brilliant golden scales in the 



middle line extending to the posterior 

 quarter (in some specimens this line is 

 ill-defined, in others broad and conspicu- 

 ous), a few long hairs near the posterior 

 border and in front of the wing insertions. 

 Scutellum dark brown, with many long 

 black hairs. Pleura grayish, with patches 

 of silvery scales and hairs. Abdomen, 

 upper surface black, with moderate basal 

 bands of yellow scales, and with large 

 lateral areas of silvery ones, two small 

 circular areas of golden scales in the 

 centre of each segment. A {q.\^^ long 

 white hairs along the apical border of 

 each segment. Venter almost entirely 

 white, with creamy scales, a few black 

 scales near the apical borders of the 

 segments. Wings, extremities of the long 

 veins with long narrow scales and short 

 broad ones, upper forked cell longer, but 

 about as broad as the lower, its stem 

 half its length ; the stem of the lower 

 forked cell nearly as long as the cell. The 

 posterior .cross vein half its own length 

 behind the mid cross vein. Halteres 

 with pale stems and knobs. Legs black, 

 unhanded, femora and tibitB with many 

 yellow scales beneath, fewer in the 

 metatarsi and tarsi 3 knee spots small. 

 Ungues all equal and uni serrate, 



mm. 



'■.Yi^-'-'\i'y^'>S \? • • -  --j 



^■''1!/ 



FlCi. j,<.). — .le'iirs fieri inax, n. sp. — a, 

 pecten tooth ; b, comb scale ; c, orna- 

 mentation of head and thorax. 



the tooth large. Length, 4 



