AntWiki: The Ants --- Online

There are seven species in this genus which are Parasitoids of ants.

List of Hydrorhoa and their Host Ants
Genus and species Author and Year Ant Host Distribution Notes
Hydrorhoa caffra (Westwood, 1874) ants Kenya, South Africa, Zimbabwe.
Hydrorhoa fianarantsoae (Risbec, 1952) ants Madagascar
Hydrorhoa multistriata (Risbec, 1952) ants Madagascar
Hydrorhoa stevensoni (Risbec, 1958) ants Botswana, Kenya, Namibia, South Africa, Zimbabwe
Hydrorhoa striata (Risbec, 1951) ants Senegal, Namibia, South Africa (Northern Cape)
Hydrorhoa striaticeps Kieffer, 1905 Camponotus maculatus Madagascar
Hydrorhoa striolata (Risbec, 1953 ants Ivory Coast, Liberia, Cameroon, Uganda


  • Heraty, J.M. A revision of the genera of Eucharitidae (Hymenoptera: Chalcidoidea) of the World. JOURBOOK: Memoirs of the American Entomological Institute VOLUME: 68 PAGES: 367pp. (2002).
  • Heraty JM, Mbanyana N, Noort SV (2020) A new species of Eucharissa Westwood (Eucharitidae) from South Africa, with an evaluation of the importance of pupae for assessing relationships in these ant parasitoids. Journal of Hymenoptera Research 79: 43–55. https://doi.org/10.3897/jhr.79.56042
  • Westwood, J.O. 1868. Descriptions of new genera and species of Chalcididae. Proceedings of the Entomological Society of London 1868:xxxvii