Dryocosmus

Dryocosmus are a genus of gall wasps. They are cyclically parthenogenetic insects that induce galls on plants in the family Fagaceae.

Dryocosmus
Dryocosmus kuriphilus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Family: Cynipidae
Tribe: Cynipini
Genus: Dryocosmus
Giraud, 1859

According to recent studies, the genus includes some species previously considered as belonging to the genus Chilaspis, whereas Dryocosmus favus should be excluded of the genus. Dryocosmus and Chilaspis are closely related to the other oak gall wasp taxa (Aphelonyx, Plagiotrochus, Pseudoneuroterus, Trichagalma, and some Neuroterus species) [1]

Dryocosmus kuriphilus is an invasive species in Europe[2] and North America (originating from Asia) that endangers the chestnut trees.[3][4][5][6][7]

Species
  • Dryocosmus asymmetricus (split twig gall wasp)
  • Dryocosmus caspiensis
  • Dryocosmus cerriphilus
  • Dryocosmus deciduus
  • Dryocosmus dubiosus (two-horned gall wasp)
  • Dryocosmus floridensis
  • Dryocosmus imbricariae (banded bullet gall wasp)
  • Dryocosmus israeli
  • Dryocosmus jungalii
  • Dryocosmus kuriphilus Yasumatsu, 1951
  • Dryocosmus mayri
  • Dryocosmus mikoi
  • Dryocosmus minusculus (pumpkin gall wasp)
  • Dryocosmus nervosus
  • Dryocosmus nitidus
  • Dryocosmus quercuspalustris (Osten Sacken, 1861) (succulent oak gall wasp)
  • Dryocosmus rileyi

References
  1. Z.Acs et al., The Phylogenetic Relationships Between Dryocosmus, Chilaspis and Allied Genera of Oak Gallwasps (Hymenoptera, Cynipidae: Cynipini).Systematic Entomology, (2007), 32 pp.70-80
  2. Dryocosmus kuriphilus. Data sheets on quarantine pests, European and Mediterranean Plant Protection Organization (2006)
  3. L.K.Rieske, Success of an exotic gallmaker, Dryocosmus kuriphilus, on chestnut in the USA: a historical account, EPPO Bulletin 37 (1), 172–174 (2007)
  4. "Dryocosmus Genus Information". BugGuide.net. Retrieved 2018-02-28.
  5. "Dryocosmus Report". Integrated Taxonomic Information System. Retrieved 2018-02-28.
  6. "Dryocosmus Overview". Encyclopedia of Life. Retrieved 2018-02-28.
  7. "Browse Dryocosmus". Catalogue of Life. Retrieved 2018-02-28.
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