Potentilla | Potentilla erecta | Potentilla cristae | ''Potentilla hickmanii'' is found on Montara |
Adult flies were found from May to August visiting flowers of Aegopodium podagraria, Alliaria petiolata, Anthriscus sylvestris, Apiaceae, Aurinia saxatilis, Conium maculatum, Crataegus laevigata, Euphorbia cyparissias, Meum athamanticum, Potentilla reptans, Ranunculus repens, Salix spec.