PROC. EXT. ?OC. WASH., VOL. XVII. 



PLATE XV. 



PLESIOTHKIPS PERPLEXTS iBi, \<-n . 



Fig. 1. Male, left antenna. 



Fig. 2. Male, segments 8-10 of abdomen. 



Fig. 3. Female, head and prothorax 



Fig. 4. Female, left antenna. 



