Carder bee - B. ruderarius?

Carder bee - B. ruderarius?

Observation - Carder bee - B. ruderarius?. Description: Males, orange tail, orange hairs on hind tibae, pale band on thorax. 2 photos each of 2 individuals, sp1 and sp2 (Sp2 photographed on 17 Aug)

Males, orange tail, orange hairs on hind tibae, pale band on thorax.
2 photos each of 2 individuals, sp1 and sp2 (Sp2 photographed on 17 Aug)