Figs. 19−27. Soyedina vallicularia. 19−21. KY: Adair Co., Spout Spring Branch, Green River. 19. Male, SEM micrograph, dorsal view of epiproct (350x). 20. Male, SEM micrograph, lateral view of left paraproct (200x). 21. Male, lateral view of left paraproct. 22−24. OH: Ashland Co., seep into Clear Fork Mohican River. 22. Male, SEM micrograph, dorsal view of epiproct (350x). 23. Male, SEM micrograph, lateral view of right paraproct (200x). 24. Male, lateral view of left paraproct. 25−27. VA: Wythe Co., East Fork, Stony River. 25. Male, SEM micrograph, dorsal view of epiproct (350x). 26. Male, SEM micrograph, lateral view of left paraproct (200x). 27. Male, lateral view of left paraproct.

Published as part of Grubbs, Scott A., 2006, Soyedina Alexandria And S. Calcarea (Plecoptera: Nemouridae), New Stonefly Species From The Eastern Nearctic Region And Notes On The Life Cycle Of S. Calcarea., pp. 39-49 in Illiesia 2 (6) on page 45, DOI: 10.5281/zenodo.4754597