Chrostosoma halli is a moth of the Arctiidae family. It was described by Kaye in 1918. It is found in Guatemala. The wingspan is about 33 mm. The forewings are yellowish hyaline, with the costa narrowly black beyond the cell and with the apex black. The outer margin is very narrowly black. The hindwings are yellow hyaline, the outer margins narrowly black, becoming broader at the anal angle.