162 



^-^n^^s (^m^ 



19. Isoperla nippnica Okam. J^fi-t V ^ k b ^-^ ^ (&' ^ % }i ^ {^ m) 



c7)i/3 75MV2{^. ^^. 3 CO '-^1^ ammo ^ m n^ :=^m (^ ± ^ m.m h 



O =t M M 1^ 75 ^ M fe Jll ® Ä ex M ^ {i ^ ^o '^ i^ ^ i^c ^ 0ß <i ^ fe 75 



3> ^ - * '>H (+ ^D B3 tfi«. m M lU I^1)o 



20. Isoperla suzukii Okam. ^ E b i^ ö '4' ^ "i^ }i ^ (ITr f^) 



cm i- -t IB) 



m iid m n ä -^.i^ 1/4 \xm^. 3 ^ ^ 5^ Rif i^^'io mi mi^mm^^ tx ^^^ 5 n 



m^. 3 c7) 4. ^ (i ^ ^^ jjlfi ^ ß, p tu O ^ #J (i (lit 1^4, M fn Ä U 1/4 (i ^ 



iHu ic ;^t -c ftt fe ^ M fo'is s^ M II, 3 CO ^ j^ it M njM. ^ Bt n. ^w^^^ 

 mcDm-^xh bo ni^^^Mm. m'^xit^ n ^o m m nrnj^m m nn-mim 

 mhnmco^mRcx^mmm t an^-^ bo fi:^5-6(^) 5.^0 m 



^ ^ - i^ i)-H (^ tP)o 7l #1 (E *)o 



21. Isoperla sibakawae Okam. :^ l/l ^ }i b i)^ ^ l&' ^ "h E ^ {$\ m) 



(^ i- A m) 



mwM^:, mi^QM<^ -icm'^h b .^^m^m^ k ii.^w.co- 

 m. 3 cD^mi^n^omn^. ^wco'^iQi<^m^cö-mh b .m w m 



