. Bulletin. Natural history; Natural history. 102 Illinois Natural History Survey Bulletin Vol. 26, Art. 1 Mature Nvmi'hs Brown crossbar at posterior maryin of terminal abdominal stcrnite joining three longitudi- nal, brown stripes on abdominal venter 1. lineatus Entire terminal abdominal sternite of abdomen shaded with brown, this shadinu; sometimes also extending: over one or two sternites an- terior to terminal one 2. ludens 1. A tneletus lineatus Traver Amelftus linratus Traver (1932a: 194). Female.—Length of body 11 mm., of fore winfi 12 mm. Head yellow-brown, vertex with a longitudinal,
. Bulletin. Natural history; Natural history. 102 Illinois Natural History Survey Bulletin Vol. 26, Art. 1 Mature Nvmi'hs Brown crossbar at posterior maryin of terminal abdominal stcrnite joining three longitudi- nal, brown stripes on abdominal venter 1. lineatus Entire terminal abdominal sternite of abdomen shaded with brown, this shadinu; sometimes also extending: over one or two sternites an- terior to terminal one 2. ludens 1. A tneletus lineatus Traver Amelftus linratus Traver (1932a: 194). Female.—Length of body 11 mm., of fore winfi 12 mm. Head yellow-brown, vertex with a longitudinal, median, dark brown line; eyes light brown, with a yellow, dark brown-bordered stripe on outer surface, fig. 235; antennae smoky brown. Thorax dark yellow-brown, with yellow markings at sutures and on pleura around coxal bases; wings hyaline, veins and crossveins brown; legs yellow-brown, with tarsi somewhat darkened. Abdomen yellow-brown, without well-marked color pattern, although slightly darkened at posterior margins of each ter- gite; sternite 6 with a median, dark brown mark; lateral margins of terminal abdominal sternite slightly incised near apex; caudal filaments light, articulations dark, Fig. 2^S.—Amrletus lineatus, head of adult Fig. 2i8.—Ameletus ludens, terminal abdom- female, lateral aspect. inal sternites of adult female. Fig. 2i6.—A melrttts shepherdi, male geni- Fig. 219.—A tneletus lineatus, terminal ab- *^''^- . dominal sternites of adult female. Fig. 237.—Ameletus lineatus, hind 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
Size: 1542px × 1620px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory