. Bulletin. Natural history; Natural history. Fig. 464.—Ochrotrichia larvae, abdominal rings. A, 0. riesi; B, 0. anisca. Fig. 465.—Ochrotrichia unio, larva and case. 3. Thoracic sclerites with distinct mark- ings of fairly dark brown tarsalis, p. 130 Thoracic sclerites with only indistinct suffusions of darker color; head and thorax frequently with a reddish tone anisca, p. 131 4. Head with a small, mesal pale spot or stripe xena, p. 130 Head without a mesal pale area unio, p. 129; eliaga, p. 132; spinosa, p. 132 Adults 1. Apex of abdomen with long claspers, fig. 466 (males) 2 Apex of abdomen
. Bulletin. Natural history; Natural history. Fig. 464.—Ochrotrichia larvae, abdominal rings. A, 0. riesi; B, 0. anisca. Fig. 465.—Ochrotrichia unio, larva and case. 3. Thoracic sclerites with distinct mark- ings of fairly dark brown tarsalis, p. 130 Thoracic sclerites with only indistinct suffusions of darker color; head and thorax frequently with a reddish tone anisca, p. 131 4. Head with a small, mesal pale spot or stripe xena, p. 130 Head without a mesal pale area unio, p. 129; eliaga, p. 132; spinosa, p. 132 Adults 1. Apex of abdomen with long claspers, fig. 466 (males) 2 Apex of abdomen tubular, fig. 478 (fe- males) 12 2. Tenth tergite triangular or vasiform, figs. 466, 467, small, without long or hooked, sclerotized processes; both ninth segment and claspers long and narrow 3 Tenth tergite longer, with a set of defi- nite, heavily sclerotized hooked or straight processes, fig. 471; ninth segment and claspers shorter 4 3. Claspers with two mesal brushes of black pegs at apex, fig. 466; tenth tergite triangular xena, p. 130 Claspers with only one mesal brush of black pegs at apex, fig. 467; tenth tergite vasiform unio, p. 129 4. Claspers shoelike, upcurved at apex, dorsal margin concave, fig. 468. ... 5 Claspers sinuate, fig. 475 8 5. Left side of tenth tergite with a large, conspicuous spine near middle, curved mesad, fig. 471. .tarsalis, p. 130 Left side of tenth tergite without such a spine curved mesad 6 6. Tenth tergite with spine C filamentous and not angled from its base, fig. 468 shawnee, p. 131 Tenth tergite with spine C stout, curved away from and back to its parent sclerite, fig. 469 7 7. Tenth tergite with sclerite A very broad, D almost touching spiral of. 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, De
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Keywords: ., booka, bookcentury1900, bookdecade1910, booksubjectnaturalhistory
