SCENOPINIDAE OF THE WORLD 



120. Brevitrichia arnaudi, new species 



Figure 114 



171 



Male. — Head brown; eyes black, with a green metallic glint 

 above and a red metallic glint below (brown in dried specimens); 

 frons tan, small, triangular; ocellar tubercle tan, pollinose; ocelli 

 orange. Antennae with all segments brown; see figure for details on 

 shape. 



Thorax dorsum black-brown, covered with tan pollinose scales, 

 with a slight longitudinal striping; humeral and supra-alar calli 

 cream; mesoscutellum cream, with a brown patch occupying the 

 middle third. Pleura with prothorax cream; anepisternum cream, 

 katepisternum red-brown. Wings hyaline, veins tan; halter stem 

 cream, knob cream. Legs with femora light brown Avdth a tan knee; 

 tibiae tan; tarsi tan, darkening distally. 



Figure 114. — Brevitrichia arnaudi, new species, male, female: a, wing; b, lateral aspect of 

 male head; c, lateral aspect of female head; d, e, enlarged details of male and female 

 antennae;/, dorsal aspect of female head; g, h, ventral and lateral aspects of male termi- 

 nalia; i, ventral left and dorsal right aspects of female 8th and 9th segments, bursal 

 structure outlined; ;, lateral aspect of female 8th and 9th segments. 



Abdomen segments brown with yellow-brown membranes along 

 posterior margins. Ninth tergum cream with a brown patch basally 

 which extends along the open margin; see figure for details. 



Female. — Head tan; eyes metallic green to brown in dried speci- 

 mens; postocular ridge broad, with a brown patch behind the eye; 



313-168 0-^69 12 



