Pachycrepoideus vindemmiae (parasitoid)

Pteromalidae • Chalcidoidea (parasitoids) • Hymenoptera parasitoids • Beneficials/natural enemies

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female of Pachycrepoideus vindemmiae ovipositing on a pupa of Drosophila suzukii (click on image to enlarge it)
Author(s): Cherre S. Bezerra Da Silva et al.
Source: PLoS ONE (2019) 14(7): e0218301

Pachycrepoideus vindemmiae (click on image to enlarge it)
Author(s): Max E. Badgley (copyright holder)
Source: BugsInTheNews

Pachycrepoideus vindemmiae (parasitoid) (Rondani, 1875)

This wasp is widely distributed, occurring in many parts of Asia, Europe, Africa and the Americas. It has been deliberately introduced into some areas/countries as part of biological control programs like into Hawaii or several Central American countries (Bartlett et al., 1978).

P. vindemmiae is a solitary pupal ectoparasite of various species of Diptera, including the families Muscidae, Drosophilidae, Tephritidae, or Anthomyiidae. Many hosts are important pest flies like Musca domestica, Stomoxys calcitrans, fruit flies, or the invasive spotted wing drosophila, Drosophila suzukii. It is commercially available in some countries.

Apart from killing their host by oviposition, females also often feed on the hemolymph of fly pupae, which extends their lifespan and increases their egg production (Da Silva et al., 2019). The total development time last around 2-3 weeks.

Synonyms:
Pachycrepoideus dubius