Common Stoneflies

Figure 4.Neoperla mesostyla Li & Wang, sp. n. (male). A Head and pronotum, dorsal view B Terminalia, dorsal view C Hindleg (part of tarsi in this leg missing), lateral view D Aedeagus before eversion, lateral view E Aedeagus, lateral view.

Figure 6.Neoperla qingyuanensis. Male a Head and pronotum, dorsal view b Hemitergal process, dorsal view c Aedeagus, lateral view. Scale bars: 0.5 mm.

Figure 4.Neoperla mesospina Li and Wang, sp. n. Male aedeagus, lateral view.

Figure 4.a–b Neoperla similiflavescens Li & Zhang, sp. n. Male. c–d Neoperla flavescens Chu. Male. a Aedeagus, oblique ventral view b Aedeagus, ventral view c Head and pronotum, dorsal view d Aedeagus, lateral view. Neoperla flavescens Chu for comparison. 1 male from Henan Province, Luoyang City, Song County, Cecun town, Muzhaling, 2012.VIII.19, Weihai Li.

Figure 5.Neoperla mesostyla Li & Wang, sp. n. Male aedeagus, lateral view.

Figure 3.Neoperla henana. Male aedeagus, lateral view. Scale bar: 0.5 mm.

Figure 5.Neoperla transversprojecta Du & Sivec, 2004. Male. a Head and pronotum (teneral specimen), dorsal view b Head and pronotum (older specimen), dorsal view c Terminalia, dorsal view d Aedeagus, lateral view.

Figure 4.Neoperla lii. Male a Head and pronotum, dorsal view b Terminalia, dorsal view c Aedeagus, lateral view d Distal half of aedeagal sac, ventral view. Scale bars: 0.5 mm.

Figure 6.Neoperla yao Stark, 1987. Male. a Head and pronotum (teneral specimen), dorsal view b Aedeagus before eversion, lateral view c Aedeagus, lateral view.

Figure 5.Neoperla lii. Male a Aedeagus, lateral view b Apex of aedeagal sac, ventral view. Scale bars: 0.5 mm.

Figure 6.Neoperla qingyuanensis. Male a Head and pronotum, dorsal view b Hemitergal process, dorsal view c Aedeagus, lateral view. Scale bars: 0.5 mm.

Figure 7.Neoperla tuberculata. Male aedeagus, lateral view. Scale bars: 0.5 mm.