Rhynchomesostoma rostratum ( Müller, 1774 ) Luther, 1904

Steenkiste, Niels Van, Tessens, Bart, Krznaric, Kathleen & Artois, Tom, 2011, Dalytyphloplanida (Platyhelminthes: Rhabdocoela) from Andalusia, Spain, with the description of four new species, Zootaxa 2791, pp. 1-29 : 8-9

Rhynchomesostoma rostratum ( Müller, 1774) Luther, 1904

syn. Fasciola rostrata Müller, 1774

syn. Planaria rostrata Abildgaard, 1789 syn. Planaria velox Dalyell, 1814

syn. Derostoma rostratum Dugès, 1830 syn. Mesostoma rostratum Ehrenberg, 1836 syn. Dalyellia velox Johnston, 1846

syn. Mesostomum rostratum Schmidt, 1848 syn. Mesostomum wandae Schmidt, 1858 syn. Turbella rostrata Diesing, 1862

syn. Turbella wandae Diesing, 1862

syn. Mesostomum variabile Weismann, 1864 syn. Mesostomum montanum Graff, 1875

New locality in Spain. Doñana National Park, Provincia de Huelva, Spain (36°58’50”N, 6°29’11”W). Laguna Dulce: swamp vegetation on the northern edge of the lake (19/03/2008).

Other localities in Spain. Central areas (Sierra de Guadarrama and river Tajo basin, see Gamo & Noreña- Janssen 1998); Alcalá de Henares (Provincia de Madrid, Comunidad de Madrid) ( Gamo 1987a); Beleña and Algora (Provincia de Guadalajara, Castilla-La Mancha), Cantalejo (Provincia de Segovia, Castilla y León) and Navaluenga (Provincia de Avila, Castilla y León) ( Farías et al. 1995); Alburquerque (Provincia de Badajoz, Extremadura) and Cáceres (Provincia de Cáceres, Extremadura) ( Noreña et al. 1999).

New localities outside Spain. Palearctic: Hamme, East Flanders, Belgium (51°06’29”N, 04°10’14”E). Bunt: organic material and aquatic vegetation from a shallow pool in a tidal freshwater marsh of the Scheldt (29/04/ 2009).

Zonhoven, Limburg, Belgium (50°58’16”N, 05°20’13”E). Platweyers: aquatic vegetation and leaf litter in a shallow marsh (06/05/2009).

Kalmthout, Antwerp, Belgium (51°22’49”N, 04°26’12”E). Kalmthoutse Heide: grasses and floating vegetation in a shallow part of the moorland pool “Putse Moer” (25/05/2009).

Sölktäler Nature Park, Schladminger Tauern, Niedere Tauern, Styria, Austria (47°17’42”N, 13°52’31”E, alt. 1222 m). Schwarzensee near Kleinsölk: aquatic vegetation and sedges in a pool filling a small depression in the coniferous forests north of the Schwarzensee (27/06/2009).

Bavarian Forest National Park, Bavaria, Germany (48°57’56”N, 13°35’16”E, alt. 1150 m). Border crossing with the Czech Republic near Finsterau: aquatic vegetation in Sphagnum bog along a mountain stream (02/07/ 2009).

Longskär, Raseborg, Uusimaa, Finland (59°49’09”N, 23°15’36”E). Plants and moss from freshwater lake (07/ 08/2008).

Oriental: Bicholim, Goa, India (15°34’33”N, 73°56’32”E). Mayem Lake: rich submersed aquatic vegetation in an eastern inlet of the lake (01/12/2008).

Nearctic: Wheeler National Wildlife Refuge, Decatur, Alabama, USA (34°33’17”N, 86°57’17”W). Crabtree Slough: impoundment with submerged aquatic vegetation ( Myriophyllum spicatum ) along the Tennessee River (23/ 05/2009).

Known distribution. Widespread throughout the Palearctic: many localities in Europe, Western Russia, Central Asia, Siberia, the Russian Far East, Japan (see Luther 1963 for localities and references), Western Europe ( UK: South East England, West Midlands and North Wales) ( Young 1970, 1973), Central Europe ( Germany: Thuringia, Franconia, South Lower Saxony; Austria: Burgenland) ( Kraus 1965; Pörner 1966; Kaiser 1967; Bauchhenss 1971; Heitkamp 1981, 1982), Eastern Europe ( Romania: floodplain of the Danube, Wallachian Plain; Poland: Greater Poland Province) ( Mack-Fira 1968; Kolasa 1974), Western Russia (Yaroslavl Oblast, Urals, upper Volga River) ( Birstein 1991; Rogozin 1996; Kotikova 2001; Korgina 2002), the Caucasus ( Georgia: Tbilisi) ( Graff 1913), Siberia and the Russian Far East ( Rogozin 1996); Nearctic: Greenland and the USA (New York, Virginia, Idaho, Mississippi basin, Wisconsin) (see Luther 1963 and Watermolen 2005 for localities and references); Afrotropic: East Africa ( Kenya: Central Province) ( Young 1976; Young & Young 1976); Oriental: Taiwan ( Okugawa 1953) and Sri Lanka? (this record is questioned by Graff 1913).

Material. Observations on one live animal from the new locality in Spain. Studies on several live specimens from the other new localities and two whole mounts from Belgium.