Torymus is a genus of chalcid wasps from the family Torymidae which was named by the Swedish naturalist Johan Wilhelm Dalman in 1820. Most species are ectoparasitoids of gall forming insects. There are more than 400 spp. worldwide. See also List of Torymus species References External links Bugguide.net. Genus Torymus Hymenoptera genera Taxa named by Johan Wilhelm Dalman Chalcidoidea