| OCR Text |
Show 47 Fore 18. (9) wings the center sent •• First 0 First ., 0 •• 0 •••••••••• than male second 9 4 fore 0 0 0 •• Stigmatic (Fig. 37); 0 • 0 0 •••• ., ••• veins cross •• 0 " •• tarsi 0 • • " " Q 0 0 long as Q " " as • 0 0 • "Leptohyphes or •••••••••.•.•.••••••..••.•••.•••••• segment of male fore second (18) •• segment of longer 19. " elongate and narrow, broadest in (Fig. 39); hind wings present or ab- more without 0 " of shorter tarsc •• " 0 • fore stimuli 0 " 0 • 0 0 ., • " • than 0 " " " •• 0 0 0 Stigmatic t.he 20 .. • • 0 (Fig' Hind 0 •• 0 ••••• 0 ! 33) stimuli •• " •••• " 0 • 0 0 • GOO (Fig. 34); where near 19n9 ovipositor ...... " ., •••• " • 0 " • 0 0 • 0 Heptagenia .•••••.. 0 "Hagenu lops is wings present (Figs. 47, 49, 53); female long ovipositor .••.••..•.••..•........••.••....... without 21. 22. (20) (21) Vein MP of hind wings forked Vein MP of hind wihgs not fork of vein MA of c0stal (F ig 230 53) • forked 0 costal wings asymmetrical of hind wings fore •.•.•••••••..•...•••..•.•.•••..•..•..•.••. ventral A ( Fig • is • the male 62 ) • • . • • appendage No *as appendage , • • • • • • • • • • • • • on II . • • • • • • • • each peniS •••••••••• .. • • • keyed here.. and Homothraulus For differences ally see • • • • lobe of : imago of Homothraulus ally between desciptions. ••••••••••• 23 Travetella each .•••..••••.••.•• • • • • • male • • • . • • (Fig. • 0 Homo t h r au 1 u s * 59) • is ·"'·····24 male lobe of each penis on o.o : ••.••... ;, ' ••••.•.•..•.. (23) 022 each base of ... from base of rod-like projection arising genital forceps of male 24. •••••••••• acute projection projection arising from genital forceps of mal.(Fig.54). No Thraulodes •. rod-like A (22) •.••..•••••• 2l wings symmetrical (Fig 48); wings blunt (Fig. 49) Choroterpes fore Fork of vein MA of (Fig. 52); (Fig. 47) of hind projection 19 Rhithrogena' •••••..•...••.••.••.•..••. female with wings absent; ••• anastomatosed not pair of qistinct a fuse penes Hind (9) veins cross with • wings anastomatosed penes where they on fuse •••••.••••••.••.••...•..••••..••.•..•.••.•••. penes Epeorus • • . • He rmane 11 a unknown, only Homothraulus the females of Homothraulus |
