''Mastrus ridens'' is a species of
ichneumon wasp. It was discovered in
Kazakhstan
Kazakhstan, officially the Republic of Kazakhstan, is a landlocked country primarily in Central Asia, with a European Kazakhstan, small portion in Eastern Europe. It borders Russia to the Kazakhstan–Russia border, north and west, China to th ...
in the 1990s, but it was not described as a distinct species from the similar ''
M. ridibundus'' until 2010. This species is of interest as a potential biological control agent of the
codling moth.
References
Ichneumonidae
{{Ichneumonidae-stub