620 A Monograph of Culicidae. 



length of the cell ; stem of the second posterior cell about 

 one-third the length of the cell ; cross-veins all close together 

 the mid very slightly nearer the apex of the wing than the other 

 two ; wings long and narrow. 



Length. — 5 mm. 



$. Similar to $ in general appearance. Fork-cells of 

 wings not so long as in S. albiprivatus, the first sub-marginal 

 longer and narrower than the second posterior, its base nearer 



Fig. 286. 

 Wiog of Sabethinus intermedins. d\ Lutz. 



the base of the wing, its stem about one-fourth the length of the 

 cell ; stem of the second posterior cell more than half the length of 

 the cell ; the posterior cross-vein longer than the mid and behind 

 it. Genitalia with three large chaetae at the base on each side ; 

 claspers long, ending in a broad plate with one side fimbriated. 



Habitat. — Brazil. 



Observations. — Re-described from a single J given me by 

 Dr. Lutz. There are no very marked features except the general 

 adornment of scales on the metanotum and the brilliant abdomen. 

 The short sword-like proboscis is marked in this species which is 

 the type of Lutz's genus Sabettinus. 



Sabethinus albiprivatus. Lutz (MS.). 



Head with metallic violet scales. Thorax with metallic bright 

 blue scales. Abdomen deep metallic violet with lateral silvery to 

 pale golden lateral spots and venter. 



$ . Head clothed with flat brown and deep violet scales in 

 front ) palpi and proboscis deep brown with violet reflections ; 

 clypeus and basal segment of antennae frosty. 



Thorax deep shiny black clothed with large flat bright blue 

 scales (appearing brown in certain lights) a few apple green ones 

 before the scutellum and larger ones on it of a similar colour ; 

 chaetae over the roots of wings black ; pleurae bright ochreous 

 with flat silvery scales ; metanotum brown with brown chaetae. 



