Published October 22, 2026 | Version v1

Tetrastichus ilithyia

  • 1. Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection, School of Wetland, Yancheng Teachers University, Yancheng, 224007, China
  • 2. College of Horticulture and Landscape, Tianjin Agricultural University, Tianjin 300392, China
  • 3. School of Forestry, Northeast Forestry University, Harbin, 150040, China

Description

Tetrastichus ilithyia (Walker, 1839)

Figs 14, 15

Cirrospilus ilithyia Walker, 1839: 355.

Tetrastichus ilithyia: Walker 1846: 74.

Aprostocetus ilithyia: Graham 1961 b: 38.

Tetrastichus ilityia [sic]: Gijswijt 2003: 46.

Material examined.

China • 2 ♀♀; Inner Mongolia Autonomous Region, Alshan City, Bailang Town, Aolunbukai Scenic Area; 14 Jul. 2021; Yuan-Yuan Jin, Yue Qin leg.; sweeping; on cards; YCTU.

Diagnosis.

Female. Antenna with scape slender, reaching vertex; funicle segments almost equal in length and breadth, 2.0–2.2 × as long as broad; clava 4.0 × as long as broad with a deeper constriction between C 1 and C 2, terminal spine distinct, 0.5 × as long as C 3. Gaster ovate, 1.6 × as long as broad, ovipositor sheaths just reaching the tip of gaster. Body black with blue metallic luster.

Male. Unknown.

Hosts.

Unknown.

Distribution.

China (Inner Mongolia [new record], Gansu, Shaanxi [Zhang et al. 2007]), (Former) Czechoslovakia, Germany, Ireland, United Kingdom (Graham 1991), Netherlands (Gijswijt 2003), Sweden (Hedqvist 2003), Russia (Hansson and Schmidt 2020).

Notes

Published as part of Li, Wen-Jian, Shao, Meng-Ying, Xia, Nan, Zu, Guo-Hao & Li, Cheng-De, 2026, Taxonomic notes on the genus Tetrastichus Haliday (Hymenoptera, Eulophidae) from China, pp. 1149-1178 in Journal of Hymenoptera Research 99 on pages 1149-1178, DOI: 10.3897/jhr.99.207788

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Linked records

Additional details

Biodiversity

Collection code
YCTU
Event date
2021-07-14
Verbatim event date
2021-07-14
Scientific name authorship
Walker
Kingdom
Animalia
Phylum
Arthropoda
Order
Hymenoptera
Family
Eulophidae
Genus
Tetrastichus
Species
ilithyia
Taxon rank
species
Taxonomic concept label
Tetrastichus ilithyia (Walker, 1839) sec. Li, Shao, Xia, Zu & Li, 2026

References

  • Walker F (1846) List of the Specimens of Hymenopterous Insects in the Collection of the British Museum. Part 1 Chalcidites. F. Newman, London, England, 1–100.
  • Graham MWR de V (1961 b) The genus Aprostocetus Westwood sensu lato (Hym., Eulophidae) notes on the synonymy of European species. Entomologist's Monthly Magazine 97: 34–64.
  • Gijswijt MJ (2003) Naamlijst van de Nederlandse bronswespen (Hymenoptera: Chalcidoidea). Nederlandse Faunistische Mededelingen 18: 17–79.
  • Zhang YZ, Ding L, Huang HR, Zhu CD (2007) Eulophidae fauna (Hymenoptera, Chalcidoidea) from south Gansu and Qinling mountain areas, China. Acta Zootaxonomica Sinica 32 (1): 6–16.
  • Graham MWR de V (1991) A reclassification of the European Tetrastichinae (Hymenoptera: Eulophidae): revision of the remaining genera. Memoirs of the American Entomological Institute 49: 1–322.
  • Hedqvist KJ (2003) Katalog över svenska Chalcidoidea. Entomologisk Tidskrift 124 (1–2): 73–133.
  • Hansson C, Schmidt S (2020) A revision of European species of the genus Tetrastichus Haliday (Hymenoptera: Eulophidae) using integrative taxonomy. Biodiversity Data Journal 8: e 59177. https://doi.org/10.3897/BDJ.8.e59177