. Bulletin. Natural history; Natural history. 122 Illinois Natlral History Survey Bulletin V^ol. 26, Art. 1 faintly with yellow or brown, apical abdom- inal sctiments chestnut brown, genitalia and caudal Hlanients white; apical forceps seg- ments, fig. 269, each three times as long as wide. Known from Maryland, New York, On- tario, and Quebec. PROPINQUUS 270 32. BAETIS Leach Baetls Leach (1815:137). Brachyplilebia Westwood (1840:25). Acentrella Bengtsson (1912:110). In Baetis, the stalk of each turbinate eye of the male is relatively high, so that. ELACHISTUS 271 HARTI 272. Please note that th
. Bulletin. Natural history; Natural history. 122 Illinois Natlral History Survey Bulletin V^ol. 26, Art. 1 faintly with yellow or brown, apical abdom- inal sctiments chestnut brown, genitalia and caudal Hlanients white; apical forceps seg- ments, fig. 269, each three times as long as wide. Known from Maryland, New York, On- tario, and Quebec. PROPINQUUS 270 32. BAETIS Leach Baetls Leach (1815:137). Brachyplilebia Westwood (1840:25). Acentrella Bengtsson (1912:110). In Baetis, the stalk of each turbinate eye of the male is relatively high, so that. ELACHISTUS 271 HARTI 272. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Illinois. Natural History Survey Division. Urbana, State of Illinois, Dept. of Registration and Education, Natural History Survey Division
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