Xanthesma infuscata, or Xanthesma (Chaetohesma) infuscata, is a species of bee in the family Colletidae and the subfamily Euryglossinae. It is endemic to Australia. It was described in 1978 by Australian entomologist Elizabeth Exley.
The species occurs in south-eastern inland Australia. The type locality is 2 km west of St George in southern Queensland. Other published localities are Cunnamulla, as well as Bourke and Moree in New South Wales.
The adults are flying mellivores. Flowering plants visited by the bees include Eucalyptus, Angophora, Capparis and Convolvulus species.