Metatarsae 1 yellow with the dark patch, other segments of tarsi 1 yellowish.

[10] [11] [12][13] The male genitalia are illustrated by Barkemeyer and Claussen (1986) [14] Palearctic Fennoscandia South to Iberia and the Mediterranean basin.

Ireland east through Europe into Turkey and to European parts of Russia and on to Siberia.

[16] Flowers visited include Caltha, Cicuta virosa, Filipendula ulmaria, Potentilla erecta, Ranunculus, Salix repens.

The larva is sub-aquatic within stem sheaths of Typha and other water plants.