FIGURE 4. Protoneura paucinervis, F-0 in The F-0 exuvia of Protoneura paucinervis Selys, 1886 (Zygoptera: Protoneurinae): description and diagnosis

FIGURE 4. Protoneura paucinervis, F-0 exuviae: (a) ventral view of S8–10 showing male gonapophysis; (b) laterodorsal view of S9–10 showing male cercus; (c) lateral view of caudal gills (folded at the tips); (d) lateral view of caudal gills of specimens of P. paucinervis from Bolivia, not examined by the authors, kindly provided by Ken Tennessen.