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Idris Förster

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Platygastroidea; Family Scelionidae; Subfamily: Scelioninae)

Idris Förster 1856. Type species: Idris flavicornis Förster 1856.

Idris species


Idris alticola (Kieffer, 1913)


Idris arachnevora (Risbec, 1956)


Idris auratus (Risbec, 1950)


Idris benoiti (Risbec, 1958)

Idris brevis Sundholm, 1970


Idris diversus (Wollaston, 1858)


Idris insularis (Kieffer, 1910)


Idris lucidiceps (Kieffer, 1910)

Idris petiolaris Sundholm, 1970


Idris senegalensis (Risbec, 1950)


Idris unicolor (Kieffer, 1910)


Idris zonatus (Kieffer, 1910)




Parasitoids of spider eggs.


Austin, A. D. 1984. The fecundity, development and host relationship of Ceratobaeus spp. (Hymenoptera, Scelionidae), parasites of spider eggs. Ecological Entomology 9, 125–138. doi:10.1111/j.1365-2311.1984.tb00707.x
Austin, A. D. 1985. The function of spider egg sacs in relation to parasitoids and predators, with special reference to the Australian fauna. Journal of Natural History 19, 359–376. doi:10.1080/00222938500770261
Austin, A. D. 1986. A taxonomic revision of the genus Mirobaeoides Dodd (Hymenoptera, Scelionidae). Australian Journal of Zoology 34, 315–337. doi:10.1071/ZO9860315
Austin, A. D. 1988. A new genus of baeine wasp (Hymenoptera: Scelionidae) from New Zealand associated with moss. New Zealand Journal of Zoology 15, 173–183. doi:10.1080/03014223.1988.10422612
Austin, A. D. 1988. Guarding behaviour, eggmass shape and the eggsac in Clubiona robusta L. Koch (Araneae: Clubionidae). In ‘Australian Arachnology’. (Eds A. D. Austin and N. W. Heather.) pp. 87–95. (Australian Entomological Society: Brisbane.)
Austin, A. D. 1995. New species of scelionid wasps (Hymenoptera: Scelionidae: Baeini) from Western Australia, parasitic on spider eggs. Records of the Western Australian Museum 52, 253–263.
Austin, A. D., and Field, S. A. 1997. The ovipositor system of scelionid and platygastrid wasps (Hymenoptera, Platygastoidea), comparative morphology and phylogenetic implications. Invertebrate Taxonomy 11, 1–87. doi:10.1071/IT95048
Austin, A. D., Johnson, N. F., and Dowton, M. 2005. Systematics, evolution and biology of scelionid and platygastrid wasps. Annual Review of Entomology 50, 553–582. doi:10.1146/annurev.ento.50.071803.130500
Bradoo, B. L. 1972. Life history and bionomics of Idris sp. (Scelionidae: Hymenoptera), egg parasite of Uloborus, a commensal on the web of the social spider Stegodyphus sarasinorum Karsch. Zoologischer Anzeiger 188, 43–52
Förster, A. 1856. Hymenopteroloische Studien. II Heft. Chalcidiae und Proctotrupii. Ernst ter Meer, Aachen. 152 pp.

Iqbal, M., and Austin, A. D. 2000. A preliminary phylogeny for the Baeini (Hymenoptera: Scelionidae): endoparasitoids of spider eggs. In ‘The Hymenoptera: Evolution, Biodiversity and Biological Control’. (Eds A. D. Austin and M. Dowton.) pp. 178–191. (CSIRO Publishing:

Johnson, N. F. 1992. Catalog of world Proctotrupoidea excluding Platygastridae. Memoirs of the American Entomological Institute 51: 1-825.

Masner, L. 1968. A new scelionid wasp from the intertidal zone of South Africa (Hymenoptera, Scelionidae). Annals of the Natal Museum 20, 195–198.
Masner, L. 1972. The classification and interrelationships of Thoronini (Hymenoptera: Proctotrupoidea, Scelionidae). Canadian Entomologist 104, 833–849. doi:10.4039/Ent104833-6
Masner, L. 1976. Revisionary notes and keys to world genera of Scelionidae (Hymenoptera: Proctotrupoidea). Memoirs of the Entomological Society of Canada 97: 1-87.doi:10.4039/entm10897fv

Masner, L. 1980. Key to genera of Scelionidae of the Holarctic region, with descriptions of new genera and species (Hymenoptera: Proctotrupoidea). Memoirs of the Entomological Society of Canada 112, 1–54. doi:10.4039/entm112113fv
Masner L. 1993. Superfamily Platygastroidea (pp. 558-565). In
GOULET, H. & HUBER, J. (eds). Hymenoptera of the World: an identification guide to families. Research Branch, Agriculture Canada, Ottawa, Canada, 668 pp.

Masner, L., and Dessart, P. 1972. Notes on Embidobiini (Scelionidae: Hymenoptera with description of a new genus. Canadian Entomologist 104, 505–510. doi:10.4039/Ent104505-4
Masner L. and Huggert, L. 1989. World review and keys to genera of the subfamily Inostemmatinae with reassignment of the taxa to the Platygastrinae and Sceliotrachelinae (Hymenoptera: Platygastridae). Memoirs of the Entomological Society of Canada, 147: 1-214.

McKellar, R.C. & Engel, M.S. 2012. Hymenoptera in Canadian Cretaceous amber (Insecta). Cretaceous Research 35: 258-279.

Mikó, I., Vilhelmsen, L., Johnson, N. F., Masner, L., and Pénzes, Z. 2007. Skeletomusculature of Scelionidae (Hymenoptera: Platygastroidea): head and mesosoma. Zootaxa 1571, 1–78.
Mineo G. 2015. On the genus Cremastobaeus Ashmead, 1893 with descriptions of two new species (Hymenoptera, Platygastroidea, Scelionidae). Ann Mus civ stor nat Giacomo Doria. 107: 205–212.

Murphy, N. P., Carey, D., Castro, L. R., Dowton, M., and Austin, A. D. 2007. Phylogeny of the platygastroid wasps (Hymenoptera) based on sequences from the 18S rRNA, 28S rRNA and CO1 genes: implications for the evolution of the ovipositor system and host relationships. Biological Journal of the Linnean Society. Linnean Society of London 91, 653–669. doi:10.1111/j.1095-8312.2007.00825.x

van Noort S, Masner L, Popovici O,  Valerio AA, Taekul C, Johnson, NF,  Murphy NP & Austin AD. 2014. Systematics and biology of the aberrant intertidal parasitoid wasp Echthrodesis lamorali Masner (Hymenoptera: Platygastridae s.l.): a parasitoid of spider eggs. Invertebrate Systematics 28: 1-16. http://dx.doi.org/10.1071/IS13015


Photographs by Candice Owen © (Iziko South African Museum).

Map illustration © Simon van Noort (Iziko Museums of South Africa).

Line drawings by Arne Sundholm, 1970.


Next genus: Leptoteleia

Web author Simon van Noort (Iziko South African Museum)


Citation: van Noort, S. 2024. WaspWeb: Hymenoptera of the World. URL: www.waspweb.org (accessed on <day/month/year>).

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