Allium ursinum
Larvae of "C. berberina" are associated with rotting deciduous wood. The larva is figured by Hartley (1961) and Rotheray (1993) Adults are arboreal and found in most categories of both coniferous and deciduous forest with overmature trees and are seen visiting flowers to feed. These include white umbellifers, "Allium ursinum", "Cornus sanguinea", "Crataegus", "Euonymus", "Filipendula", "Frangula alnus", "Hypericum", "Lonicera xylosteum", "Photinia", "Ranunculus", "Rhamnus catharticus", "Rhododendron", "Rosa", "Rubus idaeus", "Salix", "Sorbus", "Taraxacum" and "Viburnum opulus". The flight period is May to July .