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Ichneumonoidea sp.

Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Cladus: Metapterygota
Infraclassis: Neoptera
Cladus: Eumetabola
Cladus: Endopterygota
Superordo: Hymenopterida
Ordo: Hymenoptera
Subordo: Apocrita
Superfamilia: Ichneumonoidea
Familiae (2 + 1†): Braconidae - Ichneumonidae - †Praeichneumonidae


Ichneumonoidea Latreille, 1802


Aquino, D.A.; Gaddi, A.L.; Hernández, E.P.; Martínez, J.J. 2010: The types of Braconidae and Ichneumonidae (Hymenoptera: Ichneumonoidea) in the Museo de La Plata, Argentina. Zootaxa, 2487: 43–51. Preview
Belshaw, R.; Fitton, M.; Herniou, E.; Gimeno, C.; Quicke, D.L.J. 1998: A phylogenetic reconstruction of the Ichneumonoidea (Hymenoptera) based on the D2 variable region of 28S ribosomal RNA. Systematic entomology, 23: 109–123. DOI: 10.1046/j.1365-3113.1998.00046.x
Koçak, A.Ö.; Kemal, M. 2013: Nomenclatural notes on the Asiatic Ichneumonoidea (Hymenoptera). Centre for Entomological Studies Ankara, miscellaneous papers, (160): 7–8. ZooBank
Quicke, D.L.J.; Basibuyuk, H.H.; Fitton, M.G.; Rasnitsyn, A.P. 1999: Morphological, palaeontological and molecular aspects of ichneumonoid phylogeny (Hymenoptera, Insecta). Zoologica scripta, 28: 175–202. ISSN: 0300-3256 DOI: 10.1046/j.1463-6409.1999.00005.x
Sharkey, M.J.; Wahl, D.B. 1992: Cladistics of the Ichneumonoidea (Hymenoptera). Journal of Hymenoptera research, 1: 15–24. ISSN: 1070-9428 Internet Archive BHL PDF

Additional references

Muru, D., Madl, M., Jacquot, M., Deguine, J-P. 2017. A literature-based review of Hymenoptera Parasitica and Chrysidoidea from Reunion Island. ZooKeys 652: 55–128. DOI: 10.3897/zookeys.652.10729. Reference page.


Taxapad Ichneumonoidea

The superfamily Ichneumonoidea contains one extinct and three extant families, including the two largest families within Hymenoptera: Ichneumonidae and Braconidae. The group is thought to contain as many as 100,000 species, many of which have not yet been described.[1] Like other parasitoid wasps, they were long placed in the "Parasitica", variously considered as an infraorder or an unranked clade, now known to be paraphyletic.


The name is derived from Latin 'ichneumon', from Ancient Greek ἰχνεύμων (ikhneúmōn, "tracker"), from ἴχνος (íkhnos, "track, footstep"). The name is shared with the Egyptian mongoose, Herpestes ichneumon.

The superfamily is defined by fusion of the costal and radial veins of the fore wing, and almost all species have more than 11 antennal segments.[2] Both included families have a cosmopolitan distribution. Ichneumonoids have morphological similarities with relatives within the order Hymenoptera, including ants and bees. Ichneumonoidea contains a great deal of morphological diversity, with species ranging in size from 3 to 130 mm (0.12 to 5.12 in) long. Most are slender, and the females of many species (particularly in the genus Megarhyssa) have extremely long ovipositors for laying eggs.

The ichneumonid wasps may be more familiar to non-entomologists than braconids, as they are generally larger. The two families are distinguished from each other primarily by details of wing venation.

Most are brownish or black, not brightly colored.[3] Fore wings lack vein 2m-cu.

Ichneumonids vary greatly in size and their color varies from brightly colored yellow to uniform black. Fore wing with vein 2m-cu present and tubular.[2]

Parasitoidism evolved only once in the Hymenoptera, during the Permian, leading to a single clade, the Apocrita. The Apocrita emerged during the Jurassic.[4][5][6][7]


Sawflies Xyelapusilla.jpg

Orussoidea Orussus coronatus.jpg


Ichneumonidae Ichneumon wasp (Ichneumonidae sp) female (cropped).jpg

Braconidae Atanycolus sp.jpg

Chalcidoidea and allies Chalcid Wasp - Conura species, Woodbridge, Virginia - 14885696378 (cropped).jpg

Aculeata European wasp white bg.jpg

Parasitic life cycle

Ichneumonoids are solitary insects, and the vast majority are parasitoids; the larvae feed on or in another insect until it finally dies. Most hosts are holometabolus insect larvae, but there are many exceptions. In general, ichneumonoids are host specific, and only attack one or a few closely related host species. Many species use polydnaviruses to suppress the immune systems of their host insects. Due to the wide variety in hosts and lifestyles, see subfamily pages for more detail.

The female ichneumonoid finds a host and lays an egg on, near, or inside the host's body.[8] The ovipositor of ichneumonoids generally cannot deliver a sting as many wasps or bees do. It can be used to bore wood and lay eggs on hosts deep inside, or reach hosts hidden inside leaf shelters. Upon hatching, the larva feeds either externally or internally, killing the host when it is ready to pupate.


Pennacchio, Francesco; Strand, Michael R. (2005-12-06). "Evolution of developmental strategies in parasitic hymenoptera". Annual Review of Entomology. 51 (1): 233–258. doi:10.1146/annurev.ento.51.110104.151029. ISSN 0066-4170. PMID 16332211.
H., Goulet; J.T., Huber (1993). "10: Superfamily Ichneumonoidea". Hymenoptera of the world: An identification guide to families.
Borror and White
Branstetter, Michael G.; Danforth, Bryan N.; Pitts, James P.; Faircloth, Brant C.; Ward, Philip S.; Buffington, Matthew L.; Gates, Michael W.; Kula, Robert R.; Brady, Seán G. (2017). "Phylogenomic Insights into the Evolution of Stinging Wasps and the Origins of Ants and Bees". Current Biology. 27 (7): 1019–1025. doi:10.1016/j.cub.2017.03.027. PMID access
Schulmeister, S. (2003). "Simultaneous analysis of basal Hymenoptera (Insecta), introducing robust-choice sensitivity analysis". Biological Journal of the Linnean Society. 79 (2): 245–275. doi:10.1046/ access
Schulmeister, S. "Symphyta". Retrieved 28 November 2016.
Peters, Ralph S.; Krogmann, Lars; Mayer, Christoph; Donath, Alexander; Gunkel, Simon; Meusemann, Karen; Kozlov, Alexey; Podsiadlowski, Lars; Petersen, Malte (2017). "Evolutionary History of the Hymenoptera". Current Biology. 27 (7): 1013–1018. doi:10.1016/j.cub.2017.01.027. PMID 28343967.
Sezen, Uzay. "Two ichneumon wasps competing to oviposit". Retrieved 12 September 2011.
Hochberg, M; Elmes, G. W.; Thomas, J. A.; Clarke, R. T (1996). "Mechanisms of local persistence in coupled host-parasitoid associations: the case model of Maculinea rebeli and Ichneumon eumerus". Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 351 (1348): 1713–1724. Bibcode:1996RSPTB.351.1713H. doi:10.1098/rstb.1996.0153.

Various ichneumonoids are used as biological control agents in controlling horticultural or forest pests. An example is the relationship between the species Ichneumon eumerus and its host butterfly Phengaris rebeli.[9] The butterfly larva is a parasite within Myrmica ant nests. The adult I. eumerus searches for ant nests and only enters when they contain P. rebeli caterpillars.[9] Once inside, they oviposit within the caterpillars and escape the nest by releasing a chemical which causes the worker ants to fight each other rather than the intruding wasp.[9] The wasp eggs then hatch inside the caterpillar and eventually consume and kill the host.

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