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Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Hymenoptera
Suborder: Apocrita
Superfamily: Ichneumonoidea
Family: Braconidae
Subfamily: Mesostoinae

The Mesostoinae is a subfamily of wasps endemic to Australia.It contains four genera:

The members of this family display sexual dimorphism, males are brachypterous, which means that they have reduced, non-functional wings. A unique feature of this subfamily is that all the known species are primary gall formers on Banksia.


  • Australian Faunal Directory
  • Austin, A.D. & Dangerfield, P.C. (1998). Biology of the Mesostoa kerri Austin and Wharton (Insecta: Hymenoptera: Braconidae: Mesostoinae), an endemic Australian wasp that causes stem galls on Banksia marginata Cav. Aust. J. Bot. 46: 559-569