Figures 22-24 - Perlesta shubuta egg SEM micrographs (22–23 USA, Mississippi, Clarke Co., Rolling Creek, 16 May 2011 23 USA, Alabama, Choctaw Co., Bogue Chitto Creek, 17 May 2011) 22 Entire egg, 200X 23–24 Anterior pole and collar, 1000X
Figs. 1-6. Kathroperla perdita eggs. 1-4. Ross Creek, Lincoln Co., Montana. 5 -6. Grande Ronde River...
Figures 7 - Zealeuctra talladega, scanning electron micrographs, USA, Alabama, Clay Co., tributary t...
FIGURES 19–24. Perlidae habitus in dorsal view: 19—Anacroneuria sp.AB3, 20—Anacroneuria sp.AB4, 21—A...
Figures 14-21 - Perlesta ephelida egg SEM micrographs (14–15 USA, Kentucky, Warren Co., Trammel Fork...
FIGURE 10. Perlesta armitagei sp. nov., egg. a, Kentucky, Russell Creek, entire egg, 270X; b, Kentuc...
Fig. 24. Perlesta cranshawi. Scanning electron photomicrograph of entire egg, 265x.Published as part...
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...
Fig. 8. Perlesta leathermani. Scanning electron photomicrograph of entire egg, 262 x.Published as pa...
Figs. 18–23. Perlesta shawnee egg SEM micrographs. 18–19: U.S.A., AL, Cleburne Co., tributary to Sou...
A new Nearctic species of Perlidae (Insecta, Plecoptera), Perlesta ephelida sp. n., is described fro...
FIGURE 9. Perlesta armitagei sp. nov., female, subgenital plate, ventral profile. a, Ohio, Deer Cree...
FIGURES 46–48. Skwala compacta, egg: 46. Habitus lateral. 47. Collar, lateral. 48. Chorion structure...
Figs. 23-26. Isoperla borisi, adult male. 23. Paraprocts, lateral view, darkened tips are highly scl...
Figures 20-25 - Figures 20–25. Elasmiafemale genitalia and male eighth sternites. 20 Elasmia packard...
Figs. 1-6. Kathroperla perdita eggs. 1-4. Ross Creek, Lincoln Co., Montana. 5 -6. Grande Ronde River...
Figures 7 - Zealeuctra talladega, scanning electron micrographs, USA, Alabama, Clay Co., tributary t...
FIGURES 19–24. Perlidae habitus in dorsal view: 19—Anacroneuria sp.AB3, 20—Anacroneuria sp.AB4, 21—A...
Figures 14-21 - Perlesta ephelida egg SEM micrographs (14–15 USA, Kentucky, Warren Co., Trammel Fork...
FIGURE 10. Perlesta armitagei sp. nov., egg. a, Kentucky, Russell Creek, entire egg, 270X; b, Kentuc...
Fig. 24. Perlesta cranshawi. Scanning electron photomicrograph of entire egg, 265x.Published as part...
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...
Fig. 8. Perlesta leathermani. Scanning electron photomicrograph of entire egg, 262 x.Published as pa...
Figs. 18–23. Perlesta shawnee egg SEM micrographs. 18–19: U.S.A., AL, Cleburne Co., tributary to Sou...
A new Nearctic species of Perlidae (Insecta, Plecoptera), Perlesta ephelida sp. n., is described fro...
FIGURE 9. Perlesta armitagei sp. nov., female, subgenital plate, ventral profile. a, Ohio, Deer Cree...
FIGURES 46–48. Skwala compacta, egg: 46. Habitus lateral. 47. Collar, lateral. 48. Chorion structure...
Figs. 23-26. Isoperla borisi, adult male. 23. Paraprocts, lateral view, darkened tips are highly scl...
Figures 20-25 - Figures 20–25. Elasmiafemale genitalia and male eighth sternites. 20 Elasmia packard...
Figs. 1-6. Kathroperla perdita eggs. 1-4. Ross Creek, Lincoln Co., Montana. 5 -6. Grande Ronde River...
Figures 7 - Zealeuctra talladega, scanning electron micrographs, USA, Alabama, Clay Co., tributary t...
FIGURES 19–24. Perlidae habitus in dorsal view: 19—Anacroneuria sp.AB3, 20—Anacroneuria sp.AB4, 21—A...
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