directed laterally; setae 11 (near 9), 10 (situated laterally, anterior to the 

 eye) and setae 15 and 16 (posterior to 14) small and light; seta 17 situated 

 near the bifurcation of the frontal suture spinelike, curved anteriorly, small 

 and light (Figure 578). Anterior margin of head broadly dark brown on the 

 ventral side, with large tubercles lateral to the gula. Gula small, 

 triangular, with long, filiform, blackish brown anterior -angle processes; 

 anterior margin of gula forming a thick dark brown ridge; a small part of 

 the anterior margin shagreened. A narrow smoky brown stripe along the 

 gular suture; smoke -gray spots and indistinct light dots posteriorly, at the 

 sides. Seta 8 spinelike, small, curved anteriorly, transparent, situated 

 near the anterior margin; setae 18 situated near the spots, straight and 

 spinelike. 



(407; 



FIGURES 575-578. Psychomyia pusilla Fabr.: 



575 - head, thorax and abdominal segments 1—3, lateral; 576 — part of fronto- 

 clypeus; 577 - mandibles, dorsal: left (A) and right (B) mandible; 578 - anterior 

 margin of head, ventral; gula and maxillolabium. 



457 



