Published December 31, 2013
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Figs. 1-7. Isoperla umpqua. 1. Adult head pattern. 2. Terminal male sterna. 3. Terminal male terga. 4. Terminal female sterna. 5 in Isoperla Umpqua A New Species Of Western Nearctic Stonefly (Plecoptera: Isoperlinae)
- 1. College of Natural Resources, University of Wisconsin, Stevens Point, WI 54481, U.S.A. E-mail: sszczytk@uwsp.edu
- 2. Deceased Formerly, Dept. of Biological Sciences, University of North Texas, Denton, TX 76203, U.S.A.
Description
Figs. 1-7. Isoperla umpqua. 1. Adult head pattern. 2. Terminal male sterna. 3. Terminal male terga. 4. Terminal female sterna. 5. Male aedeagus; a. expanded proximal area, b. wide median band of stout spinulae, c. posterodorsal sclerotized rod, d. posterodorsal dense band of medium stout spinulae, e. paired small dorsal lobes, f. paired anterodorsal lobes. 6. Detail of posterodorsal sclerotized aedeagal rod. 7. Larval head & pronotum with spinule pattern.
Notes
Published as part of Szczytko, Stanley W. & Stewart, Kenneth W., 2013, Isoperla Umpqua A New Species Of Western Nearctic Stonefly (Plecoptera: Isoperlinae), pp. 28-33 in Illiesia 9 (4) on page 29, DOI: 10.5281/zenodo.4760858
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