DIPTKKA. 419 



Black. Abdomen piceous, tawny beneath. Legs tawny ; tibiae and 

 tarsi brown. Wings brown ; veins brown, tawny at tbe base. Halteres 

 lawny. Length of tbe body 2 lines ; of the wings 4 lines. 



United States. 



SclARA ANTICA, FcEIH. 



Atra ; thorax gutlis duabus anticis ferrugineis ; pedes nigri, femoribus 

 anticis pallide piceis ; aim nigricantes. 



Deep black. Thorax with a ferruginous dot on each side in front. 

 Legs black ; fore femora pale piceous. Wings blackish ; veins and hal- 

 teres black. Length of the body 3^ lines ; of the wings 7 lines. 



Amazon Region. 



SciARA FASCiATA, Foem. 



Nigra ; caput et thorax cinereo tomentosa ; abdominis segmenta mar- 

 ginihus posticis albidis ; pedes picei, tarsis nigris ; alee nigricantes. 



Black. Head and thorax with cinereous tomentum. Hind borders 

 of the abdominal segments whitish. Legs piceous ; tarsi black. Wings 

 blackish ; veins and halteres black. Length of the body 2j lines ; of the 

 wings 5 lines. 



Brazil. 



SciARA COG N ATA. 



Sciara cognata, Cat. Dipt. Brit. Mus. i. 103. 



Brazil. It also inhabits Madeira, and is said to draw blood like the 

 CulicidxB. 



Sciara Indica, Fceni. 



Nigra ; antennvB sat graciles, thorace vi.v longiorcs ; thorax gitttis 

 duabus anticis minimis ferrugineis ; abdomen pubescens, thorace 

 tripio longius, rufo bivittatum ; pedes longitiscuU, sal validi ; alec 

 fuscescentes, apud costam nigricantes. 



Black. Antennae rather slender, hardly longer than the thorax. 

 Thorax with a minute ferruginous dot on each side in front. Al>donien 



