Ormyrus nitidulus

Ormyrus nitidulus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Ormyridae
Genus: Ormyrus
Species:
O. nitidulus
Binomial name
Ormyrus nitidulus
(Fabricius, 1804)
Synonyms
  • Chalcis nitidula Fabricius, 1804
  • Cinips tubulosa Fonscolombe, 1832
  • Cleptes nitidulus (Fabricius, 1804)
  • Ichneumon nitidulus Fabricius, 1793
  • Ormyrus chrysidiformis De Stefani, 1898
  • Ormyrus cyanosthetus (Walker, 1847)
  • Ormyrus gallae-quercus (Dufour, 1864)
  • Ormyrus nitidulans (Fabricius)
  • Ormyrus schmidtii Schmidt, 1851
  • Ormyrus tubulosus (Fonscolombe, 1832)
  • Siphonura cyanosthetus Walker, 1847
  • Siphonura gallae subsp. Quercus Dufour, 1864
  • Siphonura gallaequercus Dufour, 1864
  • Siphonura schmidtii Schmidt, 1851
  • Torymus chrysidiformis De Stefani, 1898

Ormyrus nitidulus is a species of parasitoid wasp in the family Ormyridae. It is primarily associated with oak gall wasps. Ormyrus nitidulus is a small metallic wasp with an approximate adult length of around 5mm.[1] It has a fairly widespread distribution, being found across the Palaearctic.[2]

Distribution

Per the Universal Chalcidoidea Database, O. nitidulus is found across Western Palaearctic realm, from the north-west in the United Kingdom to Algeria in the south, and as far east as Iran.[3][2]

Biology

Ormyrus nitidulus larvae are idiobiont ectoparasitoids primarily associated with oak gall wasps, including but not limited to species in the genera Andricus, Cynips, and Biorhiza.[1][2] The species is stated to be less polyphagous than the related Ormyrus pomaceus which utlizes a wider range of host oak gall wasps.[1]

Morphology and identification

Species in the genus Ormyrus are generally characterised by bright metallic colours, the coarsely crenulated sculpture of the metasoma, well-developed hind coxae, short stigmal veins and two stout and curved metatibial spurs.[1]

O. nitidulus can be distinguished from the other oak gall wasp-parasitizing members of the genus in the palaearctic by its distinctly elongated epipygium, as opposed to the shorter epipygia in other Ormyrus species.[4]

References

  1. ^ a b c d Goméz, José F.; Hernández Nieves, María; F. Gayubo, Severiano; Nieves-Aldrey, Jose Luis (2017-01-10). "Terminal-instar larval systematics and biology of west European species of Ormyridae associated with insect galls (Hymenoptera, Chalcidoidea)". ZooKeys (644). Pensoft Publishers: 51–88. Bibcode:2017ZooK..644...51G. doi:10.3897/zookeys.644.10035. ISSN 1313-2970. PMC 5242259. PMID 28144185.
  2. ^ a b c Noyes, John (2021). "Universal Chalcidoidea Database". Natural History Museum. Retrieved 2021-06-14.
  3. ^ Kechrid, Rachid; Adjami, Yasmine; Kermiche, Khamssa; Ouakid, Mohamed Laid (2025-06-19). "Parasitoids (Hymenoptera: Chalcidoidea) associated with oak gall wasps (Hymenoptera: Cynipidae) in northeastern Algeria". Zootaxa. 5647 (6): 541–557. doi:10.11646/zootaxa.5647.6.3. ISSN 1175-5334.
  4. ^ Zerova, M.; Seryogina, L.; Van Harten, A. (2012-01-01). "New and Formerly Unknown Ormyridae Species from the United Arab Emirates (Hymenoptera, Chalcidoidea)". Vestnik Zoologii. 46 (2): e–14–e-22. doi:10.2478/v10058-012-0011-3. ISSN 2073-2333.
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