112 SPECIES OF STEGOMYIA [CH. 



Genus Stegomyia Theobald (1910;. 

 A. Proboscis banded. 



a. Legs basally banded. 



Thorax brown, with scattered creamy-white scales 



annulirostris. Theobald. 

 Thorax black, with narrow-curved golden scales 



periskeleta. Giles. 

 aa. Legs with basal and apical banding. 



Forelegs with no bands ; mid with apical and basal bands on first 

 tarsal and second tarsal ; hind with basal bands. 

 Thorax white in front, with a brown eye-like spot on each side. 



thomsoni. Theobald. 



AA. Proboscis unbanded 



j3. Legs basally banded. 



7. Abdomen basally banded. 



Thorax with one median silvery-white line scutellaris. Walker. 



Thorax similar, but two white spots near where line ends 



gebeleinensis . Theobald. 



Thorax with a white line on each pleuron in addition to a median 

 silvery- white line . . . . pseudoscutellaris. Theobald. 



Thorax with two median yellow lines and lateral curved silvery 

 lines . . . . . . . . . . fasciata. Fabricius. 



Thorax with two short median lines and a white patch on each 

 side . . . . . . . . . . . . nigeria. Theobald. 



Thorax with large lateral white spots in front, smaller ones by 

 wings, two narrow median yellow lines, and two posterior sub- 

 median white lines . . . . . . . . lilii. Theobald. 



Thorax with a white W-shaped area in front, a prolongation 

 curved on each side enclosing a brown eye-like spot 



W-alba. Theobald. 



Thorax with white frontal median spot, two large lateral spots, 

 a small one in front of the wings, a narrow median white line 

 and narrow sub-median ones on posterior half. Last two hind 

 tarsi white . . . . . . . . wellmanii. Theobald. 



Thorax brown, with broad white line in front extending laterally 

 towards wings, where they swell into a large patch, a white line 

 on each side just past wing roots. Last two hind tarsi white 



desmotes. Giles. 



Thorax with silvery-white spot on each side in front, small one 

 over root of wings, and white over their base. Last two hind 

 tarsi white . . . . . • . . pseudonigeria. Theobald. 



Thorax with two lateral white spots, front one the largest, small 

 median one near head, two yellow median lines, a short silvery 

 one on each side before scutellum . . simpsoni. Theobald. 



Thorax with a silvery-white scaled area in front and another each 

 side in front of wings . . . . argenteomaculata. Theobald. 



