Genus Pseudotheobaldia. 271 



pleurae pale ferruginous with frosty sheen in some lights and a 

 few pale bristles. 



Abdomen dusky brown, ferruginous brown in some lights 

 covered with dusky brown scales and with rather short pale 

 border-bristles ; venter brighter brown. 



Legs deep brown, coxae and femora beneath paler; ungues 

 equal and simple. 



Wings rather short, the scales dense on the apical area, 

 especially on the branches of the fork-cells and on the first long 

 vein, these scales broader than in Culex, approaching Taenio- 

 rhynchas form ; fork-cells rather small, the first sub-marginal 

 longer and very slightly narrower than the second posterior, its 

 stem more than half the length of the cell, its base a little nearer 

 the apex of the wing ; stem of the second posterior as long as the 

 cell ; scales on the upper branch of the fourth vein rather broader 

 than elsewhere. Posterior cross-vein nearly twice its own length 

 distant from the mid ; mid and supernumerary meet at an angle. 

 Halteres pale, with faintly fuscous knob. 



Length. — 5 mm. 



Habitat. — Peradeniya, Ceylon (E. E. Green). 



Time of capture. — December (1901). 



Observations. — Described from a single $ in perfect condition. 

 It is an obscure species, resembling a Culex, unless examined 

 under the two-third power when its generic characters are at 

 once seen both in regard to cephalic and wing scale structure. 



Genus PSEUDOTHEOBALDIA. nov. gen 



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Head clothed with large narrow-curved scales and upright 

 forked scales, small flat lateral ones and a few small flat scales 

 elsewhere. Palpi long in the male, the apical segment much 

 swollen with very short hairs, the penultimate with hair-tuft on 

 one side. Thorax with narrow-curved scales except in front of 

 the scutellum, where they become long, rather narrow and flat ; 

 scutellum clothed entirely with flat scales. Wings spotted, the 

 membrane tinged— vein scales Culex-like. 



This genus resembles in general appearance Theobaldia 

 but can be separated at once by the flat scutellar scales, the 

 narrower wing scales and the presence of some flat scales on the 

 mesonotum before the scutellum. 



