Bombus (Thoracombus) ruderarius | Red-tailed Carder Bee
- Females are jet black with a red tail. Distinguished from the identically banded B. lapidarius females by red hairs on the hind leg (they are black in B. lapidarius)
- Males have grey brown bands at the collar and base of the throax and a broad grey-brown band on the abdomen
- Females can be confused with Bombus lapidarius
Not common. Associated with flower-rich grasslands.
Polylectic - Lamium, Trifolium, Centaurea, Symphytum, Verbascum, Epilobium, Laburnum, Vicia, Impatiens, Medicago, Rubus, Centaurea
Records submitted to Data Centre in 2020
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Conservation status: FitzPatrick Ú., Murray T.E., Byrne A., Paxton R.J., Brown M.J.F. (2006) Regional Red List of Irish Bees, Publ. Rep. to National Parks and Wildlife Service (Ireland) and Environment and Heritage Service (N. Ireland). http://www.npws.ie/publications/red-lists
Flowers visited & World distribution: Westrich, P. (1989) Die Wildbienen Baden-Württembergs. Eugen Ulmer, Stuttgart, Germany.