Habrotrocha scabropyga, Bartos, 1958

Song, Min Ok, 2014, Eight new records of monogonont and bdelloid rotifers from Korea, Journal of Species Research 3 (1), pp. 53-62 : 59-60

8. Habrotrocha scabropyga Bartoˇs, 1958 ( Fig. 3 A-B)

Habrotrocha scabropyga Bartoˇs, 1958, p. 71, Figs. A-C (From Bartoˇs, 1959, p. 149, Figs. 19A, B, F); Donner, 1965, pp. 53-54, Figs. 39c-d.

Material examined. 2 specimens, a mountain in Jeonganmyeon, Gongju-si, Chungcheongnam-do (mosses, Min Ok Song), 14 April , 2013 .

Description. Body with smooth surface. Rostrum rather short. Rostral lamella small, as wide as rostrum end and bilobed. Corona wider than cingulum pad. Upper lip lower

A than disc retractor, higher than sulcus, rimmed, arched, and with rather flat median lobe. Disc retractor bilobed with convex sides and lower than trochal discs. Antenna rather short. Pharyngeal tube as long as trophi length. Dental formula 2/2. Trunk spindle-shaped and with distinct longitudinal folds. Anal segment tapering rather abruptly to its cuff-like last quarter; posterodorsal area protruded with oblique folds and ended with truncated angular margin. Foot with 4 segments and 3 toes. Spurs conical, with straight outer margin and convex inner margin, tapering abruptly to pointed tips; longer than its base width; interspace narrower than spur base width.

Body length (in creeping) 296 μm. Corona width 46 μm. Cingulum pad width 37 μm. Trunk width (in feeding) 61 μm. Spur length 7 μm.

Distribution. Czech Republic and Korea.

Remarks. New to Asia. This species has never been reported again since its original description from Czech Republic until the present study.

Figures

Fig. 3. Habrotrocha scabropyga Bartos ˇ, 1958. A. creeping, dorsal view. B. feeding, dorsal view. Macrotrachela timida inquies Milne, 1916. C. feeding, dorsal view. D. rump, foot and spurs, dorsolateral view. E. rostrum and neck, dorsal view(Scales: A-C=50μm; D=20 μm).