. Bulletin. Natural history; Natural history. 282 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 strong, tawny on head, dark brown on meso- notum. Front tibiae with basitarsus longer than succeeding segments. Eighth tergite without patch of dark spines. Genitalia as in fig. 940. Ninth segment very narrow on dorsum and venter but wide laterally. Tenth tergite forming a pair of long, curved, somewhat flattened processes with a sclero- tized ridge on meson at apex. Cerci also very long, finger-like, with a heavily scle- rotized bar across mesal face near apex. Clasper short and rounded,
. Bulletin. Natural history; Natural history. 282 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 strong, tawny on head, dark brown on meso- notum. Front tibiae with basitarsus longer than succeeding segments. Eighth tergite without patch of dark spines. Genitalia as in fig. 940. Ninth segment very narrow on dorsum and venter but wide laterally. Tenth tergite forming a pair of long, curved, somewhat flattened processes with a sclero- tized ridge on meson at apex. Cerci also very long, finger-like, with a heavily scle- rotized bar across mesal face near apex. Clasper short and rounded, somewhat flat- tened, with a black, spurlike mesal projec- tion. Aedeagus with lateral arms long, end- ing in a sharp mesal process and a some- what spatulate, hairy lateral process. Female.—Similar in general color and structure to male except for five-segmented maxillary palpi. Genitalia as in fig. 940. Ninth sternite wide, with a large apico- mesal triangle and with lateral margins pro- duced into somewhat angular apical corners. Tenth segment forming a sclerotized paired structure, appearing somewhat rectangular from ventral view but with each lobe deeply excavated from dorsal view. Holotype, male.—Near McMinnville, Oregon: Nov. 2, 1937, Kenneth Fender. Allotype, female.—Same data as for holotype. Paratypes.—British Columbia.—^Van- couver: Sept. 16, 1932, H. H. Ross, 1 5 ; April 15, 1932, H. H. Ross, 1?. Oregon.—Brownsville: Aug. 19, 1907, 1 $ . Same data as for holotype, I S , 15; same but Sept. 20-Oct. 2, 1938, 1 c? , 2 ? . Washington.—Chehalis: Oct. 14—18, 1911, M. A. Yothers, 1 c?. Pullman: \S, 69; May 29, 1897, 19; May 14, 1898, 1 9 ; Aug. 6, 1898, 1 9 ; Aug. 10, 1898, 1 9 ; Aug. 25, 1898, 1 9 ; Sept. 26, 1898, 1 9 ; May 13, 1904, \S ; June 6, 1908, U. Paratypes are deposited with the holo- type and also in the collection of Washing- ton State College. Limnephilus frijole new species This species is most closely related to aretto, differing chiefly in
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
