Genus Haemagogus. 551 



Haemagogus leucomelas. Lutz (nom. nud.). 

 Mosq. do Brasil, p. 13 (1904). 



Lutz refers by the above name to another species besides his 

 capricornii described here. 



In his table * of Brazilian Haemagogus he mentions it as Being 

 white and blue dorsally. 



Haemagogus capricornii. Lutz (nom. nud.). 



Head bright blue. Thorax deep bronzy green ; pleurae 

 silvery white. Abdomen metallic violet, with dull white median 

 basal patches on the last three segments. Legs with deep 

 metallic violet and deep blue reflections ; fork-cells very small. 



9 . Head clothed with flat bright blue shiny scales, somewhat 

 darker behind ; with black chaetae projecting forwards ; palpi 

 and proboscis deep metallic violet ; antennae brown, basal 

 segment frosty. 



Thorax black, clothed with flat spindle-shaped apple-green 

 and bronzy scales irregularly disposed, becoming flatter, denser 

 and larger in front of the scutellum ; scutellum with large flat 

 bright blue scales ; prothoracic lobes with flat blue and green 

 scales ; pleurae densely white scaled. 



Abdomen deep violet, bluish at the base, sixth and seventh 

 segments with median white basal spots, the sixth with two black 

 chaetae arising from the apical portion of the segment, not as 

 long as the following segment ; basal silvery-white lateral spots on 

 the last four segments, the sides of the basal segments with a 

 continuous white line ; venter white. 



Legs deep violet and purple, with metallic reflections, base 

 and under side of femora silvery white ; fore and mid ungues 

 equal and uniserrate, hind equal and simple. 



Wings with small fork-cells ; the first about the same length 

 but narrower than the second, its stem longer than the cell, stem 

 of the second posterior a little longer than the cell ; posterior 

 cross-vein not quite twice its own length distant from the mid. 

 Halteres with some violet scales at the apex. 



* "1. Principal colours white and blue dorsally. . . leucomelas. Lutz. 

 Principal colours blue and dark violet. 



2. First fork-cell long, more than twice the 



length of the stem; post, cross-vein four 



times its length from mid cy emeus. Fabricius. 



3. First fork-cell shorter than its stem ; post. 



cross-vein its own length from the mid ... capricornii. Lutz." 



