Genus Scutomyia . 
201 
Scutomyia sugens. Wiedemann (1828). 
Stegomyia sugens. Theobald (1901). 
Gulex sugens . Wiedemann (1828). 
Culex vittatus . Bigot (1861). 
Anss. Zweifliig. Ins. I., 545, 4 (1823), Wiedemann; Mono. Culicid. I., 300 
(1901); IV., 199 (1907), Theobald; Joum. Bomb. Nat. Hist. Soo. XIV., 
684 (1905), Patton; Third Report Gord. Coll., Well. Labs., 255 (1908), 
Theobald. 
Corsica ; ISTubia ; Aden : India ; Mashonaland ; Transvaal; 
Uganda ; Sierra Leone : Gambia. 
Additional localities. —Ceylon (E. E. Green); Aden Hinterland, 
near Ulub, iVobat. Sheik Othaman, and at Aden (Patton); 
Katemas, Bihe, Angola, West Africa (Dr. Creighton Wellman), 
18. ii. 1905 ; hills E. of Erkowit, Sudan (H. King). 
Observations. —Patton states that the Aden Hinterland 
Fig. 75. 
Ovum and larval head of Stegomyio sugens . Wied. (after Patton). 
specimens vary a little from the type, and that after he had 
examined hundreds of specimens, it was found that there were 
always three large white spots on the thorax with a few smaller 
ones between. The scut oil urn has three white spots on each 
lobe.” 
Patton found it in a tank near Ulub, breeding with C. 
fatigans , also in barrels of water at Nobat. In Sheik Othaman 
and Aden he says it is a great pest, and that it breeds in the 
wells and wherever water is stored in barrels, buckets, etc. 
An attempt was made to try and exterminate this pest at 
Aden, and what was at first thought to be a simple matter 
turned out to be most difficult. The eggs are capable of hatching 
after sinking, and it was thus not easy to be sure when emptying 
a barrel of removing all the eggs.. The only sure method was 
