Epeolus cruciger is a small bee in which the females have a reddish scutellum and tend to have entirely red legs.

[6] In the Netherlands it is found in the coastal dune systems while a population in the Delft estuary which was recorded for the first time in 2006 proved to be temporary and subsequently died out.

[9] Epeolus cruciger is found in inland heaths, moorland, dunes systems, sandpits and undercliffs.

[5][6] Its main host Colletes succintus uses ling (Calluna vulgaris) as its principal food plant, so this shrub is an important element in the habitat for E.

), ling (Calluna vulgaris), mint (Mentha), ragwort (Senecio jacobaea), sheep's-bit (Jasione montana), tansy (Tanacetum vulgare).