A new afrotropical genus and species of tetrastichinae (Hymenoptera: Eulophidae) inducing galls on bikinia (Fabaceae: Caesalpinioideae) and a new species of ormyrus (Hymenoptera: Ormyridae) associated with the gall

Jean Yves Rasplus, John La Salle, Gérard Delvare, Doyle Mckey, Bruce L. Webber

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Abstract

Gallastichus mutuus Rasplus & La Salle gen. nov. & sp. nov. (Hymenoptera: Chalcidoidea: Eulophidae) and Ormyrus nkoloensis Rasplus sp. nov. (Hymenoptera: Chalcidoidea: Ormyridae) are described from Cameroon. Both taxa were collected from leaf galls formed on Bikinia letestui (Pellegr.) Wieringa subsp. letestui (Fabaceae: Caesalpinioideae). Gallastichus mutuus appears to be responsible for gall induction, whereas O. nkoloensis is likely a secondary coloniser, either a parasitoid or an inquiline. This is the first recorded instance of a gall being induced in an extrafloral nectary.

Original languageEnglish
Pages (from-to)51-59
Number of pages9
JournalZootaxa
Issue number2907
Publication statusPublished - 7 Jun 2011

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