ACROCERID FLIES — SCHLINGER 



371 



Figure 4. — a-d, Left squama, viewed from above in flat plane, of: a, Pialea capitella, 

 new species; b, P. ecuadorensis, new species, female; c, P. antiqua, new species; d, P. 

 lomata Erichson. e, P. antiqua, new species, hind tibia and tarsus viewed from outer 

 side; /, P. lomata Erichson, head and thorax, anterior view; g-i, P. ecuadorensis, 

 new species, female: g, hind tibia and tarsus viewed from outer side; h, mesonotum 

 and scutellum, dorsal view; i, abdomen, dorsal view. 



