Ceraticelus bulbosus (Emerton, 1882) (Araneae, Linyphiidae), een ouder synoniem van Ceraticelus sibiricus Eskov, 1987, in Nederland gevonden

Ceraticelus bulbosus (Emerton, 1882) has been found in the peat-bog reserve “Meerstalblok” in the Province of Drenthe in the Netherlands in 1992 and 1993. This is the first record of this Holarctic species from this country. Study of the literature reveals that Ceraticelus sibiricus Eskov, 1987 is a junior synonym of Ceraticelus bulbosus (Emerton, 1882) (Syn. nov.). The species is now known from the United States, Finland, the Netherlands, Poland, and Siberia. Its habitat is characterized by vegetations of Sphagnum, sedges, or grasses in wet situations and the species can be classified as hygrophilous. In order to faciltate future recognition the main features are illustrated.