200 



2. S. fvagilis. — Wings unspotted. Thorax 

 greenish-brown. Malay. 



Genus Pyretophorus {Trvp€TO(j>opo<i — fever pro- 

 ducing). 



1. P. superpictus. — Larva has branched 

 frontal hairs. Wing costa, four distinct spots 

 and additional basal spots. Legs dark brown 

 with apical white tarsal bands. Palpi, apical 

 whitis band and two narrower bands, the second 

 slightly nearer the first than the second. Europe 

 and Mashonaland. 



2. P. costalis. — Wing costa, four large and 

 two small spots. On the first long vein there are 

 two broken spots, under the two middle large 

 spots, giving a pattern only found in P. marshalln 

 besides. This arrangement is, however, variable. 

 Femora and tibiae mottled with yellow. Tarsal 

 banding involves to some extent both sides of the 

 joints. Palpi, three narrow bands at the joints. 

 West Africa, Uganda. 



P. costalis V. melas. Pale costal spots are 

 absent, but the arrangement on the first long vein 

 is the same. P. costalis conveys malaria. 



3. P. cinereus. — Wings, three white spots 

 on the black costa ; wing fringe brown, with 

 yellowish patches. Palpi, four white rings ; legs 

 very thin, jet black ; apex of femora and tibiae 

 pure white spot ; apices of fore and hind meta- 

 tarsi, minute apical bands ; length five mm. 

 South Africa. B.C. A. 



4. P. marshallii. — Wing markings very 

 similar to P. costalis, distinguished by the palpi ; 

 two broad apical bands ; one small basal one ; 

 apex white. Mashonaland. 



5. P. jeyporensis. — Costa black, two large 



