Diolcogaster melleus (Nixon, 1965) . New combination.

Protomicroplitis melleus Nixon, 1965: 243 . Original description.

Protomicroplitis mellea Nixon, 1965 . Yu et al. (2012). Although technically Taxapad (Yu et al. 2012) is not a publication, it is a consulted and followed source by the taxonomic community.

Comments. Based on the original description from Nixon (1965), this species belongs to the Diolcogaster xanthaspis species-group.