Plecoptera

Figures 7.Zealeuctra talladega, scanning electron micrographs, USA, Alabama, Clay Co., tributary to Swept Creek, 24 January 2006 (A–B, D–E, G), USA, Alabama, Clay Co., tributary to West Fork Hatchet Creek, 25 January 2006 (C, F, H). A–C male, cleft, dorsal view, 350× D–F male, epiproct, lateral view, 500× G–H female, posteromedial portion of seventh abdominal sternite, 350×.

Figure 42.Distribution map for Prostoia hallasi (circles), Prostoia ozarkensis sp. n. (squares), and Prostoia similis (triangles). The open symbols enclosing the solid symbols refer to the type localities for the three species.

Figure 3.Neoperla similiflavescens Li & Zhang, sp. n. Male. a Head and pronotum, dorsal view b Terminalia, dorsal view c Terminalia, lateral view d Aedeagus, lateral view.

Kielstrup Sø, Himmerland, Danmark

Bæk i Østrup Skov

Gudenå v. Vilholt Mølle

Katbjerg Odde

Villestrup Å

Lac De Suyen Pyrenees France

Ravnkilde ved Rebild Bakker, Jylland, Danmark

Granslev Å

Figures 2–7.Perlesta ephelida. 2 Left paraproct, lateral 3 Left paraproct, caudal 4 Aedeagus, dorsal 5 Aedeagus, lateral 6 SEM micrograph, aedeagus, dorsal, 500X 7 SEM micrograph, female terminalia, ventral, 150X.

Figure 4.Neoperla similidella Li and Wang, sp. n. (male). A Aedeagal sac, dorsal view B Aedeagal sac, ventral view C Aedeagus, lateral view D Terminalia, dorsal view.

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.

Figures 9.Zealeuctra wachita, scanning electron micrographs, USA, Oklahoma, LeFlore Co., tributary to Big Creek, 6 February 2003 (A, B, D), USA, Arkansas, Scott Co., Johnson Creek, 6 January 1999 (C). A male, cleft, dorsal view, 200× B–C male, epiproct, lateral view, 350× or 500× D female, posteromedial portion of seventh abdominal sternite, 350×.

Figures 9–16.Prostoia completa, scanning electron micrographs, 9 USA, Wisconsin, Plover River, male, epiproct, dorsal view 10 Canada, Newfoundland, Walsh River, male, epiproct, dorsal view 11 Canada, Newfoundland, Walsh River, male, epiproct, lateral view 12 Canada, Newfoundland, Walsh River, male, epiproct tip, lateral view 13 USA, Virginia, Roanoke River, male, epiproct base, dorsal view 14 USA, Wisconsin, Plover River, male, epiproct tip, dorsal view 15 Canada, Newfoundland, Walsh River, male, epiproct base, lateral view 16 Canada, Newfoundland, Walsh River, female, abdominal terminalia, ventral 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.

Kielstrup Sø, Himmerland, Danmark

Bæk i Østrup Skov

Gudenå v. Vilholt Mølle

Langå

Villestrup Å

Langå