n African Entomology - A new species of Dalman (Hymenoptera : Torymidae), galling seed capsules of Dehnhardt (Myrtaceae) in South Africa and Australia

Volume 14, Issue 1
  • ISSN : 1021-3589



The new species Grissell is described based on specimens associated with seed capsules of Dehnhardt (Myrtaceae), an endemic Australian tree. The wasp has been commonly collected in South Africa, where it was presumably introduced along with its host tree. It has apparently adapted to fruits of Hochst. ex Krauss, an endemic South African tree in the same family as . Observations on the gall-forming habit of are presented based on dissections of seed capsules. This appears to be the first species of that has been positively confirmed as a gall-former based on dissection of seed capsules.

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