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, 

 act. 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. 



A A. Proboscis unbanded 



j8. Legs basally banded. 



7. Abdomen basally banded. 



Thorax with one median silvery- white line scutellans. 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. 



