. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 51 May 11, 1935, C. O. Mohr, 1 larva. Herod: Grand Pierre Creek, July 29, 1898, Hart, many larvae; Gibbons Creek, March 28, 1935, Ross & Mohr, $ $ , 9 9, many pupae, pupal skins and larval parts; June 21, 1935, DeLong & Ross, i i ; July 11, 1935, DeLong & Ross, S S, 2? ; May 1, 1936, Ross & Mohr, $ $ ; May 12, 1936, Mohr & Burks, 2 $ ; June 24, 1936, DeLong & Ross, 5 $ ; Gibbons Creek, Sept. 11, 1937, H. H. Ross, 3 larvae; Oct. 7, 1937, Ross & Burks, 1 $ ; July 27, 1938, Burks
. Bulletin. Natural history; Natural history. August, 1944 Ross: Caddis Flies of Illinois 51 May 11, 1935, C. O. Mohr, 1 larva. Herod: Grand Pierre Creek, July 29, 1898, Hart, many larvae; Gibbons Creek, March 28, 1935, Ross & Mohr, $ $ , 9 9, many pupae, pupal skins and larval parts; June 21, 1935, DeLong & Ross, i i ; July 11, 1935, DeLong & Ross, S S, 2? ; May 1, 1936, Ross & Mohr, $ $ ; May 12, 1936, Mohr & Burks, 2 $ ; June 24, 1936, DeLong & Ross, 5 $ ; Gibbons Creek, Sept. 11, 1937, H. H. Ross, 3 larvae; Oct. 7, 1937, Ross & Burks, 1 $ ; July 27, 1938, Burks k Boesel, 3c?, 1 mating pair; Oct. 1, 1941, B. D. Burks, many larvae. Vienna: May 29, 1939, Burks & Riegel, $ $ , 9 5,1 mating pair; May 1, 1940, Mohr & Burks, 2$, \9. Waltersburg: March 24, 1939, Ross & Burks, 8 larvae. West Vienna, Branch Cache River: May 13, 1939, Burks & Riegel, $ $ , 6 larvae. Chimarra angustipennis Banks Chimarrha angustipennis Banks (1903rt, p. 242); c^. This species, not yet taken in Illinois, occurs in Oklahoma and Arkansas. It is a close relative of the two preceding species. The larva is unknown. Chimarra obscura (Walker) Beraea? obscura Walker (1852, p. 121); d'. Jl'ormaldia plutonis Banks (1911, p. 358); cf. Chimarrha lucia Betten (1934, p. 175); cT, 9. Frequenting rapid and clear streams, this species has been taken at many points in northern, eastern and extreme southern Illinois. In each case our catches have been small, except in a few localities in the Ozark Hills of southern Illinois. Mature male pupae have been collected from many locali- ties. This species is the most widely distributed in the genus, fig. 18, being known from Ar- kansas, Illinois, Indiana, Kentucky, Maine, Maryland, Michigan, Minnesota, Missouri, New York, Ohio, Oklahoma, Ontario, Pennsylvania, Texas, Virginia and Wiscon- sin. Illinois Records.—Many males and fe- males and three pupae, taken May 11 to October 5, and many larvae, taken April 10 to August 27
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