RESUMO
Masona popeye Quicke Chaul sp. n. is described from Brazil, and differentiated from other species of the genus. Described extant species of Masona are known from Australia and south eastern U.S.A. (Georgia and Florida including the Key Islands). Two undescribed species are known from Tanzania and Cambodia. The new species is therefore the first representative of the subfamily Masoninae van Achterberg from South America, demonstrating the completely cosmopolitan distribution of this very poorly known group. The new species most closely resembles a fossil species, M. pyriceps van Achterberg, 2001, from Dominican amber with which it shares the plesiomorphic presence of a scutellum.
Assuntos
Himenópteros , Animais , BrasilRESUMO
Preembobracon zaldivarriveroni gen et sp. nov. from Brazil is described and illustrated. It belongs to the poorly known tribe Ypsistocerini for which biology, is only partly known and then only for the genera of nominal subtribe which are both associated with termite colonies. Preembobracon displays both derived and plesiomorphic character states relative to Embobracon the only other genus of its tribe, and its position in relation to the other genera discussed. Its biology is unknown.
Assuntos
Vespas/classificação , Distribuição Animal , Estruturas Animais/anatomia & histologia , Estruturas Animais/crescimento & desenvolvimento , Animais , Tamanho Corporal , Brasil , Feminino , Masculino , Tamanho do Órgão , Vespas/anatomia & histologia , Vespas/crescimento & desenvolvimentoRESUMO
Gondwanocentrus gen. nov. (type species Gondwanocentrus humphriesi sp. nov.) from Chile is described and illustrated. Morphological and weak molecular evidence indicate that the new genus may be a basal member of the Betylobraconini. The molecular data analysed to assess its placement additionally draw into question the relationship between Betylobraconini and Clinocentrini. Previously, the Betylobraconini were known only from the Australasian region, Oceania and Eocene Europe (Baltic amber), thus if Gondwanocentrus gen. nov. does belong to this group it confirms the groups present day Gondwanan distribution.