Quadristicha setigera (Stokes, 1891) Foissner, 2016

Kim, Ji Hye & Jung, Atef Omar and Jae-Ho, 2020, Brief description of 18 newly recorded ciliate species from soil and inland waters (Protozoa, Ciliophora) in South Korea, Journal of Species Research 9 (3), pp. 251-268 : 253

publication ID

https://doi.org/ 10.12651/JSR.2020.9.3.251

persistent identifier

https://treatment.plazi.org/id/F4296B5C-FFD7-C70F-65D2-FAD0FC3F0546

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Felipe

scientific name

Quadristicha setigera (Stokes, 1891) Foissner, 2016
status

 

2. Quadristicha setigera (Stokes, 1891) Foissner, 2016

( Fig. 2 View Fig )

Material examined. Terrestrial moss collected from Mt. Yeonhwasan , Sinbun-ri , Yeonghyeon-myeon, Goseong-gun, Gyeongsangnam-do, Korea (N 35°04 ʹ 08.2 ʺ, E 128° 13 ʹ 47.1 ʺ) on 4 February 2019 GoogleMaps .

Diagnosis. Size in vivo 40 - 60 × 15 - 20 μm (n = 3). Two macronuclear nodules and a micronucleus in between. Cortical granules lacking. Adoral zone of membranelles about quarter of body size, consists of about 15 membranelles. Right marginal row commences at mid-body and consists of seven to nine cirri. Left marginal row consists of approximately six cirri. Transverse cirri about 20 μm long. Four dorsal kineties with dorsal bristles distinctly long.

Distribution. Europe, India, Japan, USA, South America, and Korea.

Remarks. Quadristicha setigera is characterized in life by the small body size and the long dorsal bristles. Foissner (2016) transferred Oxytricha setigera to a new genus based on the two macronuclear nodules and one micronucleus in between. The Korean population of Quadristicha setigera is almost identical to the Austrian population ( Foissner, 1982). Quadristicha setigera is very easily confused with Monomicrocaryon spp. However, they differ mainly in the morphogenesis of the dorsal ciliature (non-fragmenting vs. fragmenting dorsal kinety 3 produc- ing kinety 4) ( Foissner, 2016).

Voucher slides. Two slides with protargol-impregnated specimens were deposited at the Nakdonggang National Institute of Biological Resources (NNIBRPR11688, NNI- BRPR11689).

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