Xanthesma dasycephala, or Xanthesma (Xanthesma) dasycephala, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1969 by Australian entomologist Elizabeth Exley.
The species occurs in the south of the Northern Territory. The type locality is 22 km north of Barrow Creek.
The adults are flying mellivores. Flowering plants visited by the bees include Eucalyptus species.