60 A Monograph of Culicidae. 



Stethomyia fragilis. Theobald. 



The Entomologist, Vol. XXXVI., p. 257 (1903), Theobald; Eevis. Anop.,. 



p. 26 (1904), Giles. 



Thorax ochraceous-brown ; abdomen, legs, palpi and proboscis 

 deep brown; antennae white with brown plume-hairs. Legs 

 long, delicate. 



$ . Head deep brown, with small flat creamy scales between 

 the eyes and partly above ; narrow brown upright forked scales 

 behind ; eyes deep purple ; proboscis long and thin deep brown, 

 paler at the base ; antennae with testaceous basal segment, apex 

 brown, remainder white with narrow brown rings and brown 

 plume-hairs ; palpi pale brown, with deep brown scales, last two 

 segments swollen, with a few black bristles ; head united to the 

 thorax by rather a long neck. 



Thorax bright ochraceous brown, almost nude, a few scattered 

 long irregular deep brown hairs ; scutellum pale greyish-brown, 

 nude ; the pale brown border-bristles alternately long and short ; 

 pleurae ochraceous brown with a greyish sheen ; metanotum 

 chestnut-brown ; prothoracic lobes ochraceous brown with a few 

 black bristles, very distinctly mammillated. 



Abdomen very narrow, expanding apically, deep brow r n to 

 almost black, with longish curved black hairs ; genitalia pale 

 testaceous ; claspers long and thin. 



Legs long and thin, deep brown ; coxae very pale ; fore legs 

 with apparently only one claw, which is large and biserrated, 

 one tooth being basal ; mid ungues equal, simple, moderately 

 large and curved ; hind small, equal and simple and nearly 

 straight. 



Wings with the veins with pale brown lanceolate scales ; 

 those on the sub-costal, first long vein and basal part of the costa 

 short and rather broad j first sub-marginal cell very long and 

 narrow, nearly twice the length of the second posterior cell, both 

 cells about the same width j base of the first sub-marginal a long- 

 way nearer the base of the wing than the base of the second 

 posterior ; stem of the second posterior nearly twice as long as 

 the cell ; mid cross-vein a little nearer the apex of the wing than 

 the supernumerary ; the posterior cross-vein about half its length 

 nearer the base of the wing than the mid. 



Halteres with pale stem and slightly fuscous knob, which is 

 curved in the middle. 



Length. — 4 mm. 



