Figs. 1‐4. Perlesta baumanni. 1. Head and pronotal color pattern; 2. Male tergum 10; 3. Aedeagus, dorsal aspect; 4. Aedeagus, lateral aspect.Published as part of Stark, Bill P., 2007, Additional Characters In Perlesta Baumanni Stark (Plecoptera: Perlidae), With Notes On Other Ouachita Mountain Species, pp. 43-45 in Illiesia 3 (5) on page 44, DOI: 10.5281/zenodo.475869
Figs. 25‐32. Isoperla karuk: 25. Aedeagus, spinules, dorsal patch, 26. Dorsal and lateral aedeagus s...
Figs. 6-10. Anacroneuria morsei sp.n. male. 6. Head and pronotum. 7. Sternum 9 with hammer. 8. Aedea...
Figs. 11-15. Anacroneuria tempisquito sp.n. male. 11. Head and pronotum. 12. Sternum 9 with hammer. ...
Stark, Bill P. (2007): Additional Characters In Perlesta Baumanni Stark (Plecoptera: Perlidae), With...
Figs. 9-15. Perlesta bjostadi. 9, Adult head and pronotum. 10, Male terminalia, dorsal. 11, Paraproc...
Figs. 1-7. Perlesta leathermani. 1, Adult head and pronotum. 2, Male terminalia, dorsal. 3, Paraproc...
Figs. 16-23. Perlesta cranshawi. 16, Adult head and pronotum. 17, Male terminalia, dorsal. 18, Parap...
Figs. 7‐14. Togoperla clavata. 7. Head and pronotum, 8. Male terminalia, 9. Female terminalia, 10. V...
Fig. 1. Perlesta etnieri. Male aedeagus, lateral view.Published as part of Grubbs, Scott A., 2012, A...
FIGURE 2. Perlesta xube, a–b, Illinois, Little Saline River; c–d, Nebraska, Cherry Creek (paratypes)...
FIGURE 6. Perlesta armitagei sp. nov. a–b, Ohio, Deer Creek; c–d, Indiana, Blue River; e–f, Kentucky...
Figs. 1‐8. Isoperla laucki: 1. Aedeagus, dorsal, 2. Dorsal spinule patch, aedeagus, close up, 3. Aed...
Figs. 17‐24. Isoperla karuk: 17. Aedeagus, dorsal, 18. Aedeagus, dorsal, close up, 19. Aedeagus, lat...
Figs. 1-5. Anacroneuria guanacaste sp.n. male. 1. Head and pronotum. 2. Sternum 9 with hammer. 3. Ae...
FIGURE 9. Perlesta armitagei sp. nov., female, subgenital plate, ventral profile. a, Ohio, Deer Cree...
Figs. 25‐32. Isoperla karuk: 25. Aedeagus, spinules, dorsal patch, 26. Dorsal and lateral aedeagus s...
Figs. 6-10. Anacroneuria morsei sp.n. male. 6. Head and pronotum. 7. Sternum 9 with hammer. 8. Aedea...
Figs. 11-15. Anacroneuria tempisquito sp.n. male. 11. Head and pronotum. 12. Sternum 9 with hammer. ...
Stark, Bill P. (2007): Additional Characters In Perlesta Baumanni Stark (Plecoptera: Perlidae), With...
Figs. 9-15. Perlesta bjostadi. 9, Adult head and pronotum. 10, Male terminalia, dorsal. 11, Paraproc...
Figs. 1-7. Perlesta leathermani. 1, Adult head and pronotum. 2, Male terminalia, dorsal. 3, Paraproc...
Figs. 16-23. Perlesta cranshawi. 16, Adult head and pronotum. 17, Male terminalia, dorsal. 18, Parap...
Figs. 7‐14. Togoperla clavata. 7. Head and pronotum, 8. Male terminalia, 9. Female terminalia, 10. V...
Fig. 1. Perlesta etnieri. Male aedeagus, lateral view.Published as part of Grubbs, Scott A., 2012, A...
FIGURE 2. Perlesta xube, a–b, Illinois, Little Saline River; c–d, Nebraska, Cherry Creek (paratypes)...
FIGURE 6. Perlesta armitagei sp. nov. a–b, Ohio, Deer Creek; c–d, Indiana, Blue River; e–f, Kentucky...
Figs. 1‐8. Isoperla laucki: 1. Aedeagus, dorsal, 2. Dorsal spinule patch, aedeagus, close up, 3. Aed...
Figs. 17‐24. Isoperla karuk: 17. Aedeagus, dorsal, 18. Aedeagus, dorsal, close up, 19. Aedeagus, lat...
Figs. 1-5. Anacroneuria guanacaste sp.n. male. 1. Head and pronotum. 2. Sternum 9 with hammer. 3. Ae...
FIGURE 9. Perlesta armitagei sp. nov., female, subgenital plate, ventral profile. a, Ohio, Deer Cree...
Figs. 25‐32. Isoperla karuk: 25. Aedeagus, spinules, dorsal patch, 26. Dorsal and lateral aedeagus s...
Figs. 6-10. Anacroneuria morsei sp.n. male. 6. Head and pronotum. 7. Sternum 9 with hammer. 8. Aedea...
Figs. 11-15. Anacroneuria tempisquito sp.n. male. 11. Head and pronotum. 12. Sternum 9 with hammer. ...