Plecoptera

Figures 25–32.Prostoia ozarkensis sp. n., scanning electron micrographs, 25 USA, Arkansas, Buffalo River, male, epiproct, dorsal view 26 USA, Missouri, Bryant Creek, male, epiproct, dorsal view 27 USA, Illinois, Hutchins Creek, male, epiproct, dorsal view 28 USA, Oklahoma, Baron Creek, male, epiproct tip, lateral view 29 USA, Oklahoma, Baron Creek, male, epiproct base, dorsal view 30 USA, Oklahoma, Baron Creek, male, epiproct tip, lateral view 31 USA, Illinois, Hutchins Creek, male, epiproct base, dorsal view 32 USA, Oklahoma, Baron Creek, female, abdominal terminalia, ventral view.

Lynton / Lynmouth Great Britain

Langå

Hadsund Syd

Klostermølle

Figure 14.Distribution map for Zealeuctra cherokee and Zealeuctra narfi.

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.

Lynton / Lynmouth Great Britain

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Hadsund Syd

Klostermølle

Figures 3.Zealeuctra claasseni, scanning electron micrographs, USA, Indiana, Franklin Co., Blue Creek, 20 March 2002 (A, E, I), Kentucky, Monroe Co., Little Sulphur Creek, 18 March 2001 (B, F, J), Missouri, Hog Creek, 17 March 2002 (C, G, K) Oklahoma, West Cache Creek, 5 February 2003 (D, H, L). A–D male, cleft, dorsal view, 350× E–H male, epiproct, lateral view, 350× or 500× I–L female, posteromedial portion of seventh abdominal sternite, 200× or 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.

Lynton / Lynmouth Great Britain

Langå

Hadsund Syd

Klostermølle

Figure 12.Distribution map for Zealeuctra arnoldi and Zealeuctra claasseni.

Figures 33–40.Prostoia similis, scanning electron micrographs, 33 USA, Virginia, Big Run, male, epiproct, dorsal view 34 USA, Virginia, McClure River, male, epiproct, lateral view 35 USA, Virginia, McClure River, male, epiproct tip, dorsal view 36 USA, Virginia, McClure River, male, epiproct tip, lateral view 37 USA, Virginia, McClure River, male, epiproct base, caudal view 38 USA, Virginia, Big Run, male, epiproct base, dorsal view 39 USA, McClure River, Virginia, female, abdominal terminalia, ventral view 40 USA, Virginia, McClure River, female, abdominal terminalia, ventral view.

Klostermølle

Klostermølle, Gudenåen, Jylland, Danmark

Hadsund Syd

Klostermølle

Figures 4.Zealeuctra fraxina, scanning electron micrographs, USA, Alabama, Jackson Co., tributary to Larkin Fork, Paint Rock River, 18 February 2006 (A–B), USA, Indiana, Martin Co., tributary to Lost River, 6 April 2001 (C). A male, cleft, dorsal view, 200× B male, epiproct, lateral view, 350× C female, posteromedial portion of seventh abdominal sternite, 350×.