Trichogramma (genus - parasitoids)

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

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Trichogramma platneri female on egg of Trichoplusia ni (click on image to enlarge it)
Author(s): Max E. Badgley (copyright holder)
Source: BugsInTheNews

Trichogramma (parasitoids) Westwood, 1833

The wasp genus Trichogramma contains around 200 species of tiny egg parasitoids. Several of them are produced commercially and are used against certain pest Lepidoptera. Important species used for biological control are, for example, Trichogramma pretiosum or Trichogramma evanescens. Many species are polyphagous but have certain host preferences. When an egg is found, the female examines it and if found suitable drills a hole through the egg shell and lays one or more of its own eggs inside.

The genus is characterised by its small size and the structure of the antennae and forewings. The individual species can be recognized by the structure of their antennae, the male genitalia and by DNA analysis.


Currently, the following species have been entered into the system:

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