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Show 311 Figs. 4-5. Ameletus Fig. 4. Fig. 5. orgeonensis Forewing. Hind wing. Fig. 6. Parameletus Fig. 7. Siphlonurus occidentalis, hind wing. Fig. 8. Isonychia Figs. Fig. 9-10. columbiae, Fig. 9. Fig. 10. 11. Ameletus wing. campestris, hind wing. sicca Ameletus hind oregonensis. frontal Nymph, head, abdominal Nymph, connectus, view. gill four. male genitalia, dorsal view, (after McDunnough, 1936). Fig. 12. Ameletu cooki, male genitalia, dorsal view, (after McDunnoug29). Figs. 13-14. Ameletus oregonensis. of male, (a) of male, lateral view. Fig. 13. Penes view. Fig. 14. Penes Fig. 15. Ameletus similor, Fig. 16. Ameletus sparsatus?, penes ventral of penes male, of view, (b) dorsal dorsal view. male, dorsal view. |