Tokophrya lemnarum Stein 1859

Tokophrya lemnarum (Stein, 1859) Fig. 2 c. Freshwater species whose body shape is piryform to pyramidal. Lorica absent. Fascicles of capitate tentacles mounted on 2 actinophores. Stalk longitudinally striated, of variable length, but usually at least as long as body. There are usually 2 anterior-lateral contractile vacuoles. Macronucleus ovoid to elongate with several micronuclei. Reproduction by endogenous budding producing buds with 4 ciliary girdles (Curds, 1985 b). Dimensions: body length 30���48; body width 24���35; length of the tentacles 35���50; macronucleus diameter 9��� 12; stalk length 60���250; stalk diameter 3���7. Previous measurements: body length 18���127; body width 12���82; stalk length 54���170. Material examined. Found as epibiont of: Nepa cinerea. Ukraine. Pond near village Begun���, Zhytomir region. 25.09. 1984. Naucoris cimicoides. Ukraine. Small lake in high-water bed of river Western Bug near village Kamenka Bugskaya, Lvov region. 0 6.09. 1985. Additional records. On Lemna (Curds, 1985 b); on aquatic plants, Asellus aquaticus (Linnaeus), Astacus leptodactylus, gammarids from Baikal lake (Curds, 1985 b; Matthes et al. 1988); on Gammarus Fabricius, Astacus leptodactylus (Morado & Small, 1995); on Cordylophora caspia Pallas (Aladro-Lubel et al. 2006).
Published as part of Mari��o-P��rez, Ricardo, Dovgal, Igor & May��n-Estrada, Rosaura, 2011, New records of suctorians (Ciliophora: Suctoria) as epibionts of aquatic true bugs (Hemiptera: Prosorrhyncha: Nepomorpha) from two regions: Mexico and Eastern Europe, pp. 48-60 in Zootaxa 2798 on page 54, DOI: 10.5281/zenodo.277026
{"references":["Curds, C. R. (1985 b) A revision of the Suctoria (Ciliophora, Kinetofragminophorea) 3. Tokophrya and its morphological relatives. Bulletin of the British Museum (Natural History), 49 (2), 167 - 193.","Matthes, D., Guhl, W. & Haider, G. (1988) Suctoria und Urceolariidae (Peritrichia). Protozoenfauna Band 7 / 1. Gustav Fischer Verlag, Stuttgart, 309 pp.","Morado, J. F. & Small, E. G. (1995) Ciliate Parasites and Related Diseases of Crustacea: A Review. Reviews in Fisheries Science, 3 (4), 275 - 354.","Aladro-Lubel, M. A., Mayen-Estrada, R. & Reyes-Santos, M. (2006) Registro actualizado de ciliados (agosto 2004). Listados faunisticos de Mexico. Instituto de Biologia, UNAM. Mexico, 97 pp."]}