214 Mosquitoes 



Thorax without such marks. Light-coloured 

 bands of abdomen usually widening or narrow- 

 ing toward sides 64 



64. Light-coloured bands of abdomen never nar- 



rowing, usually distinctly widening, toward 

 sides 65 



Light-coloured bands of abdomen narrowing 

 toward sides 72 



65. Ends of light-coloured bands of abdomen ex- 



tending over more than two-thirds the length 

 of segment. Front tarsal claws of female not 



toothed Cirfiseta consobrinus, Desvoidy. 



Ends of light-coloured bands of abdominal seg- 

 ments two to five extending at most over only 

 one-half length of the segment 66 



66. Bristles of scutellum light-coloured 67 



Bristles of scutellum black 71 



67. Scales of thorax yellowish-white, mostly minute, 



rather sparse. Chitin of thorax chestnut- 

 brown. Tarsal claws of female simple. 



Cidiseta absobrinns, Felt. 

 Scales of thorax deep yellow or golden brown, 

 small and thickly set, covering well the al- 

 most black or dark-brown chitin. Tarsal 

 claws of female toothed 68 



6S. Abdominal bands usually decidedly wider at 



ends 69 



Abdominal bands straight 70 



69. Creamy lines on sides of thorax, sides of meso- 

 notum black and with creamy scales. 



OcJdcrotatus punctor, Kirby. 

 Creamy lines absent. (This species sometimes 

 lacks distinct dark lines on thorax, in that 

 case it runs here.) 



OcJdcrotatus abscrratus, Felt. 



