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U.S. NATIONAL MUSEUM BULLETIN 2 77 



Figure 159. — Pseudatrichia garretti, new species, female: a, wing; b, lateral aspect of head; 

 c, dorsal aspect of head; d, enlarged detail of antenna; e, ventral aspect of 8th sternum; 

 /, lateral aspect of 8th and 9th segments. 



Ocellar tubercle flat, not cut off, ocelli clear. Mouth parts red-brown, 

 well developed; palpi half as long as oral opening. Antennae with first 

 two segments red-brown, third segment black with golden pile hairs. 



Thorax dorsum black, with transverse striations ; humeral and supra- 

 alar calli red-brown; scutellum dark red-brown; pleural areas red- 

 brown. Wings clear, veins brown; halter stem brown, knob base brown 

 but dorsal rib and remainder white. Front leg orange, except last 

 tarsal segments brown; middle leg with femur orange, tibia orange- 

 brown, last tarsal segments brown; hind leg all red-brown. 



Abdomen second through fifth segments dark red-brown granular, 

 submetallic, sixth and seventh segments dark red- brown. Eighth 



