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A review of the species of Mesopolobus (Chalcidoidea: Pteromalidae) associated with Ceutorhynchus (Coleoptera: Curculionidae) host-species of European origin

Baur, H. ; Muller, F.J. ; Gibson, G.A.P. ; Mason, P.G. ; Kuhlmann, U.

In: Bulletin of Entomological Research, 2007, vol. 97, no. 4, p. 387-397

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    Titre
    • A review of the species of Mesopolobus (Chalcidoidea: Pteromalidae) associated with Ceutorhynchus (Coleoptera: Curculionidae) host-species of European origin
    Auteur
    • Baur, H.. Department of Invertebrates, Natural History Museum, Bernstrasse 15, CH-3005 Bern, Switzerland
    • Muller, F.J.. CABI Switzerland Centre, Rue des Grillons 1, 2800 Delémont, Switzerland
    • Gibson, G.A.P.. AAFC, Biodiversity (Entomology) and IPM, Research Centre, 960 Carling Avenue, Ottawa, Canada
    • Mason, P.G.. AAFC, Biodiversity (Entomology) and IPM, Research Centre, 960 Carling Avenue, Ottawa, Canada
    • Kuhlmann, U.. CABI Switzerland Centre, Rue des Grillons 1, 2800 Delémont, Switzerland
    Type de document
    • Postprint
    Langue
    • Anglais
    Publié dans
    • Bulletin of Entomological Research, 2007, vol. 97, no. 4, p. 387-397. Cambridge University Press
    Autre version électronique
    Identifiant OAI-PMH
    • oai:doc.rero.ch:292238
    Summary
    Four species of Mesopolobus Westwood were reared as parasitoids of Ceutorhynchinae hosts in Europe during surveys in 2000-2004. An illustrated key is given to differentiate the four species, M. gemellus Baur & Muller sp. n., M. incultus (Walker), M. morys (Walker) and M. trasullus (Walker), plus M. moryoides Gibson, a parasitoid of the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), in North America. Pteromalus clavicornis Walker is recognized as a junior synonym of M. incultus syn. n., and Pteromalus berecynthos Walker (also a junior synonym of M. incultus) is considered a correct original spelling. For Disema pallipes Förster (a junior synonym of Mesopolobus morys), a lectotype is designated. Mesopolobus morys is for the first time accurately associated with the seed weevil Ceutorhynchus turbatus (Schultze), a potential agent for classical biological control, of hoary cress, Lepidium draba L. (Brassicaceae), in North America. Mesopolobus gemellus is associated with another seed weevil, Ceutorhynchus typhae (=C. floralis) (Herbst), in pods of shepherd's purse, Capsella bursa-pastoris (L.) Medik. (Brassicaceae). Implications of the host-parasitoid associations are discussed relative to the introduction of species to North America for classical biological control of the cabbage seedpod weevil