Allium ursinum
and open, dry unimproved pasture, including dune grassland. Also in horticultural land and suburban gardens. In dry grassland often settles on the ground, on stones etc. Flowers visited include umbellifers, "Allium ursinum", "Convolvulus", "Eschscholzia californica", "Euphorbia", "Fragaria", "Leontodon", "Papaver", "Potentilla erecta", "Ranunculus", "Sonchus arvensis", "Taraxacum". The flight period is May to September. A bulb feeder. It is a minor pest of Liliaceae, parsnip, carrot, potato, asparagus, artichoke roots ("Cynara scolymus").