Figs. 11-12 in The Isoperla Of California (Plecoptera: Perlodidae); Updated Male Descriptions And Adult Keys For 18 Western Nearctic Species

Figs. 11-12. Adult male characters of Isoperla pinta, Butte Cr., Butte Co., CA and I. quinquepunctata, Yuba R., Yuba Co., CA & Nehalem R., Clatsop Co., OR, 32-50x. Fig. 11a. I. pinta aedeagus, lateral. Lobes A: posterobasal, B: posteroapical lobe, C: anterolateral pair. Fig. 11b. Aedeagus, ventral. Fig. 11c. Paraprocts (arrow). Fig. 11d. Vesicle; prothoracic pigment pattern (inset-dorsal view). Fig. 12a. I. quinquepunctata aedeagus, lateral. Lobes A: posterobasal, B: posteroapical, C: dorsal, D: anterior. Fig. 12b. Aedeagus, ventral. Fig. 12c. Paraprocts (black arrow); abdominal spinules (white arrows). Fig. 12d. Vesicle.Published as part of Sandberg, John B. & Kondratieff, Boris C., 2013, The Isoperla Of California (Plecoptera: Perlodidae); Updated Male Descriptions And Adult Keys For 18 Western Nearctic Species, pp. 34-64 in Illiesia 9 (5) on page 52, DOI: 10.5281/zenodo.476087