Birch swollen thigh beetle

Birch swollen thigh beetle

Observation - Birch swollen thigh beetle - UK and Ireland. Description: Black weevil found on birch. The male beetle had noticeably larger thighs than the female. Apparently the weevil Deporaus betulae displays this feature, but I don't know if there are other similar species. Can anyone confirm or deny the ID? Apologies for

Black weevil found on birch. The male beetle had noticeably larger thighs than the female. Apparently the weevil Deporaus betulae displays this feature, but I don't know if there are other similar species. Can anyone confirm or deny the ID? Apologies for poor quality picture.