. Bulletin. Natural history; Natural history. 186 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 3. Cerci with a deep lateral incision di- viding them into long dorsal and ventral lobes, fig. 653. .ornatus, p. 189 Cerci with posterior margin slightly or not at all incised 4 4. Cerci very large, long and wide, dwarf- ing the other parts of the genitalia, especially the minute tenth tergite, fig. 654 rhombicus, p. 190 Cerci either small, fig. 655, or less than twice length of tenth tergite, fig. 659 . 5 5. Cerci short, either widened at apex. 646. Please note that these images are extr
. Bulletin. Natural history; Natural history. 186 Illinois Natural History Survey Bulletin Vol. 23, Art. 1 3. Cerci with a deep lateral incision di- viding them into long dorsal and ventral lobes, fig. 653. .ornatus, p. 189 Cerci with posterior margin slightly or not at all incised 4 4. Cerci very large, long and wide, dwarf- ing the other parts of the genitalia, especially the minute tenth tergite, fig. 654 rhombicus, p. 190 Cerci either small, fig. 655, or less than twice length of tenth tergite, fig. 659 . 5 5. Cerci short, either widened at apex. 646. 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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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
