Collotheca ornata ( Ehrenberg, 1830 )

Lee, Sue Yeon, Yoo, Jung Sun & Kim, Seung Tae, 2017, New records of 13 rotifers including Bryceella perpusilla Wilts et al., 2010 and Philodina lepta Wulfert, 1951 from Korea, Journal of Species Research 6, pp. 26-37 : 27

1. Collotheca ornata ( Ehrenberg, 1830)

Floscularia ornata Ehrenberg, 1830, p. 65 ; Ehrenberg, 1832, p. 125; Weber, 1898, pp. 274-276, pl. 10, figs. 6-8.

Collotheca ornata : Koste, 1978, p. 591, T. 226: 2a-d; Meksuwan et al., 2013, p. 15 , figs. 3c, 4b.

Material examined. One specimen found in wet mosses alongside a stream in Daegwallyeong, Pyeongchang-gun, Gangwon-do, 37°41 ʹ 19.7 ʺ N 128°45 ʹ 39.0 ʺ E, 5 June 2016.

Diagnosis. Lorica absent. Corona funnel-shaped with 5 knobbed lobes; dorsal knob biggest; each knob bearing very long cilia; without cilia between knobs. Trophi uncinate. Foot stalk-like. Toes absent.

Measurements. Infundbulum width 54 μm. Body length 150 μm.

Remarks. This species is presumably cosmopolitan because it has been reported from East Africa, North America, Hawaii, Europe and Asia. In Asia, it has been recorded from Cambodia ( Segers et al., 2010), India ( Banik et al., 2009), Iran ( Kordbacheh and Rahimian, 2012), Thailand ( Meksuwan et al., 2013), Vietnam ( Trinh Dang et al., 2013), Mongolia ( Jersabek and Bolortsetseg, 2010) and Japan ( Sudzuki, 1964).

World distribution. Cosmopolitan.

Deposition. Deposited in the collection of the National Institute of Biological Resources, Incheon, Korea (ZII YIV0000001543).