Platycheirus ramsarensis Goeldlin de Tiefenau, Maibach & Speight, 1990Nomenclature
One of the species split from Platycheirus clypeatus by Speight & Goeldlin (1990) and Goeldlin et al. (1990).Biology
Larva unknown. It has been found in oligotrophic, wet situations beside moorland streams and lakes, usually where there are small flushes with abundant Carex or Juncus. sedges Carex sp. or rushes Juncus sp. Adults fly low down amongst stands of vegetation and will visit flowers such as Marsh Marigolds Caltha palustris.Distribution
This is a widely distributed upland species which occurs in acid situations such as boggy stream valleys. The majority of records are from Scotland, the Pennines and Wales, with a scatter from south-western England.