[1] Species in the genus Oedemera include slender, soft-bodied beetles of medium size, between 5 and 20 mm of length.

The jaws are bifid at the apex, the last segment of maxillary palps is narrow and elongated, the antennae are long and threadlike.

The tibiae have two apical spines, in most species the hind femora of males are strongly dilated.

The species of the subgenus Oncomera fly at dusk and at night, visiting the flowers and inflorescences of aromatic shrubs and various plants (Clematis, Crataegus, Tilia, Quercus, etc.).

are diurnal, flying in full sun in the middle of the day and visiting flowers of different families such as Asteraceae, Cistaceae, Apiaceae, etc..