28 A Monograph of Culicidae. 
Thorax brown, with long, narrow, hair-like, golden scales 
and brown bristles; scutellum cinereous-brown, with a double 
row of border-bristles, the outer ones being large, the inner 
small ; metanotum deep brown to black. 
Abdomen almost black, with golden hairs. Legs completely 
dark brown, with bronzy reflections in bright light ; ungues equal 
and simple. 
Wings (fig. 13) with the anterior border black, with four 
small yellow spots, and the apex yellow, the basal spot very 
small ; the yellow spots spread uniformly on to the first long vein 
except the third, which passes well under the black costal spot ; 
scales of the veins mostly black ; a yellow patch at the base of 
the fork-cells and on most of the third long vein, a long patch at 
the base and another towards the middle of the fourth vein; one 
large and one small patch on the upper and one large one on the 

Fig. 13. 
Wing of Myzomyia Listoni (2). Liston (non Giles). 
lower branch of the fifth vein, the stem mostly pale ; most of the 
sixth dark, but there is a broad yellow line towards the base ; 
fringe black, with yellow spots at the end of the veins, except 
where the sixth joins the wing border ; first sub-marginal cell 
considerably longer and narrower than the second posterior cell, . 
its base much the nearer to the base of the wing; its stem about 
half the length of the cell; stem of the second posterior about 
one and a half times the length of the cell ; supernumerary cross- 
vein about half its own length in front*of the mid cross-vein ; 
the mid more than its own length in front of the posterior. 
Halteres with pale testaceous stem and black knob. 
Length.—2°5 mm. 
Habitat—Duars (Christophers); Perak (Wright); North 
Canara district, India (E. H. Aitken). 
Observations.— Described by me as Christophersi from two ?’s 
