. Bulletin. Natural history; Natural history. 250 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 1937, Prison & Ross, S $. ZiON, Dead River: July 7, 1937. Prison & Ross, $ $ ; May 23, 1938. Ross & Burks, 2 larvae and cases; June 3, 1938, Mohr & Burks, $ $ ; Tune 4, 1938, Ross & Burks, <? <? , 5 9 ; Aug. "l5, 1938, Ross & Burks, 1 ? ; Aug. 19, 1939, Mohr & Riegel, 1 9 ; May 20, 1940, Mohr & Burks. 2 larvae; June 28, 1940, Mohr & Riegel, 1 larva, 1 pupa, 1 9 ; June 5, 1941, Mohr & Burks, 4 5, 3 9. females collected at Eichorn, June 13,
. Bulletin. Natural history; Natural history. 250 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 1937, Prison & Ross, S $. ZiON, Dead River: July 7, 1937. Prison & Ross, $ $ ; May 23, 1938. Ross & Burks, 2 larvae and cases; June 3, 1938, Mohr & Burks, $ $ ; Tune 4, 1938, Ross & Burks, <? <? , 5 9 ; Aug. "l5, 1938, Ross & Burks, 1 ? ; Aug. 19, 1939, Mohr & Riegel, 1 9 ; May 20, 1940, Mohr & Burks. 2 larvae; June 28, 1940, Mohr & Riegel, 1 larva, 1 pupa, 1 9 ; June 5, 1941, Mohr & Burks, 4 5, 3 9. females collected at Eichorn, June 13, 1934, along Hicks Branch, DeLong & Ross. The only records which have come to our atten- tion since that time are a male from Prank- lin County, Ohio, and a female from Broken Bow, Oklahoma. Triaenodes phalacris Ross Triaenodes phalacris Ross (1938^, p. 88); Triaenodes perna Ross Triaenodes perna Ross (1938«, p. 159); cf, Not yet taken in Illinois. It is known from Athens, Ohio, and may ultimately be taken in southern Illinois. Larva.—Unknown. Adults.—Length 9 mm. Color tawny, front wing with a definite pattern of cream color and brown; in repose the insect has a dorsal light stripe, a large light area along middle of front margin of wings, a dark brown area across wing at stigma, and a golden brown area beyond this along the api- cal margin. Male genitalia, fig. 844: tenth tergite long and hairlike with a slight thick- ening at apex; beneath this there is a long, membranous, curved process extending be- yond the tenth tergite, claspers flat, the ven- tral aspect somewhat triangular, and the apico-mesal side with a row of black spines; basal whiplike processes of claspers very long, the right one convoluted and bladelike, the left one filamentous. Pemale genitalia, fig. 854: apex of ninth sternite forming a somewhat anvil-shaped projecting body with flat apical plates; these plates, from ventral aspect, appearing to form a sort of "hat" at the end of the anvi
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