. The classification, evolution, and dispersal of the winter stonefly genus Allocapnia. Insects; Allocapnia. 114. Figs. 23, 24. Terminal abdominal segments of male Allocapnia warreni and unzickeri. A, lateral aspect; B, dorsal aspect; C, posterior aspect of dorsal process of eighth 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 Ross, Herbert Holdsworth, 1908-; Ricker, William Edwin. Urbana, University of Illinois

---

. The classification, evolution, and dispersal of the winter stonefly genus Allocapnia. Insects; Allocapnia. 114. Figs. 23, 24. Terminal abdominal segments of male Allocapnia warreni and unzickeri. A, lateral aspect; B, dorsal aspect; C, posterior aspect of dorsal process of eighth 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 Ross, Herbert Holdsworth, 1908-; Ricker, William Edwin. Urbana, University of Illinois Press

---

Size: 1342px × 1862px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookcollectionbiodiversity, booksubjectinsects