As of 2025, there are 9 described species in the genus.
Description
Species in the genus are parasitoids of gall wasps (Cynipidae) on Quercus, Castanea and Acer,[2] along with other similar genera in the same tribe.[3]:82,92
This genus can be distinguished from other similar genera such as Hobbya and Caenacis based on the presence of piliferous punctures on the mesoscutum.[3]:91,93
↑Nieves-Aldrey, J. L.; Askew, R.R. (1988). "A new species of Cecidostiba Thomson Hym, Pteromalidae, a key to species of the genus and rearing records of other Pteromalidae associated with oak gall wasps Hym, Cynipidae". The Entomologist's Monthly Magazine. 124: 1–5. hdl:10261/79244.
12Bouček, Zdeněk; Rasplus, Jean-Yves (1991). Illustrated key to West-Palearctic genera of Pteromalidae, Hymenoptera, Chalcidoidea. Paris: Institut national de la recherche agronomique. ISBN2738003435.