02245nas a2200193   4500008004100000020001400041245014100055210006900196260000800265300001200273490000700285520153000292653002901822100001301851700001801864700001801882700001701900856013401917       2010                        eng d  a1049-964400aMortality factors affecting the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), in its area of origin: A life table analysis0 aMortality factors affecting the cabbage seedpod weevil Ceutorhyn  cSep  a331-3410 v543 aThe cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham) (Coleoptera: Curculionidae), is a widely distributed invasive pest of cruciferous crops in North America. Control measures rely mostly on the application of insecticides but alternative control strategies such as classical biological control are under evaluation. To investigate the impact of parasitoids and other mortality factors on C. obstrictus populations, life table studies were conducted between 2005 and 2007 in 13 winter oilseed rape fields in Switzerland, part of the native range. Under field conditions females only realized approximately 50% of their potential lifetime fecundity, varying between 96 and 631 eggs per individual. Total generational mortality was higher than 99.6% in each year. Overwintering mortality of adults was the major population limiting factor, contributing approximately 50% to the overall generational mortality of C. obstrictus, whereas factors acting on the immature stages were responsible for the remaining 50%. Among the mortality factors of the immature stages, egg, larval and pupal mortality contributed 9-12%, 25-28% and 4-6% to the generational mortality, respectively. Larval ecto-parasitism on its own accounted for 7-15% of the generational mortality. Comparison of life table data presented here with that from North America will be invaluable for elucidating the mortality factors that regulate C. obstrictus populations in Europe, the region of origin. [copyright] 2010 Elsevier Inc. All rights reserved.10aCeutorhynchus obstrictus1 aHaye, T.1 aMason, P., G.1 aDosdall, L.M.1 aKuhlmann, U.  uhttps://weevil.myspecies.info/mortality-factors-affecting-cabbage-seedpod-weevil-ceutorhynchus-obstrictus-marsham-its-area-origin01825nas a2200229   4500008004100000020001400041245006200055210005800117260000900175300001000184490000700194520117800201653001701379100001601396700001701412700001701429700001401446700001801460700001901478700001901497856007901516       2009                        eng d  a1488-838600aThe importance of taxonomy in responses to invasive alien0 aimportance of taxonomy in responses to invasive alien  c2009  a92-990 v103 aInvasive alien species (IAS) cause major economic losses and threaten biodiversity worldwide. Tar information is essential to initiating defence against IAS, including early detection and identification of new IAS ou We demonstrate how current IAS strategies (i.e. prevention of new invasions, early detection and rapid response invaders and management of established invaders) require strong taxonomic infrastructure. Examples are given from ti molluscs (Gastropoda) and insects such as the Gypsy Moth, Lymantria dispar Linnaeus (Lepidoptera: Lymantriidae), vector flies of the families Culicidae and Calliphoridae (Diptera,), Sirex noctihb (Fabricius) (Hymenoptera: Siricidae) woo and Dendroctonus bark beetles and the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham) (Col( Curculionidae), that demonstrate the role of taxonomy in AS response. Further, we show through the example of the ! Ash Borer, Agri/us planipennis Fairmaire (Coleoptera: Buprestidae), how international co-operation is essential to idea outbreaks of IAS. Such international co-operation is especially important because few countries can fund comprehens identification organizations alone.10aDendroctonus1 aDouglas, H.1 aDang, P., T.1 aGill, B., D.1 aHuber, J.1 aMason, P., G.1 aParker, D., J.1 aSinclair, B.J.  uhttps://weevil.myspecies.info/importance-taxonomy-responses-invasive-alien02105nas a2200205   4500008004100000020001400041245016200055210006900217260001100286300001200297490000700309520133000316653002901646100001301675700001901688700002201707700001801729700001701747856013501764       2007                        eng d  a0007-485300aA review of the species of Mesopolobus (Chalcidoidea: Pteromalidae) associated with Ceutorhynchus (Coleoptera: Curculionidae) host-species of European origin0 areview of the species of Mesopolobus Chalcidoidea Pteromalidae a  cAugust  a387-3970 v973 aFour 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 Forster (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.10aCeutorhynchus obstrictus1 aBaur, H.1 aMuller, F., J.1 aGibson, G., A. P.1 aMason, P., G.1 aKuhlmann, U.  uhttps://weevil.myspecies.info/review-species-mesopolobus-chalcidoidea-pteromalidae-associated-ceutorhynchus-coleoptera-curculionid02377nas a2200217   4500008004100000020001400041245015600055210006900211260000800280300001200288490000800300520156800308653002901876100001801905700001801923700001701941700002201958700002201980700002202002856013502024       2011                        eng d  a0008-347X00aThe parasitoid communities associated with an invasive canola pest, Ceutorhynchus obstrictus (Coleoptera: Curculionidae), in Ontario and Quebec, Canada0 aparasitoid communities associated with an invasive canola pest C  cSep  a524-5370 v1433 aSurveys were conducted to determine the parasitoid communities associated with the cabbage seedpod weevil, Ceutorhynchus obstrictus (Marsham), an important invasive pest of canola in Ontario and Quebec, Canada. More than 18 species of Chalcidoidea (Hymenoptera) were associated with this pest through mass rearings from canola siliques. In southwestern Ontario, the most abundant species were a species of Chlorocytus Graham (23.6%-48.6%), Lyrcus perdubius (Girault) (0%-53%), L. maculatus (Gahan) (2.8%-14.7%), and species of Pteromalus Swederus (0.6%-23.1%) (Pteromalidae). In contrast, the most abundant species in Quebec were Trichomalus lucidus (Walker) (Pteromalidae) (33.3%-56.4%), unidentified Eulophidae (2.1%-39.1%), Mesopolobus gemellus Baur and Muller (Pteromalidae) (1.3%-21.4%), and Necremnus tidius (Walker) (Eulophidae) (11.5%-19.3%). In the Ottawa, Ontario, area, parasitoids were first recovered in 2008, and Trichomalus perfectus (Walker) (Pteromalidae), M. gemellus, and species of Pteromalus were most prevalent. Mesopolobus gemellus and T perfectus are reported in North America for the first time. Although existing communities appear to provide substantial parasitism (e.g., 6.3%-26.3% in 2006), species composition varies among years and differs from that in other regions in North America. Thus, parasitism levels and parasitoid communities of the cabbage seedpod weevil should be monitored to assess whether these will increase or there is a need to introduce more host-specific species from Europe that could provide greater mortality.10aCeutorhynchus obstrictus1 aMason, P., G.1 aMiall, J., H.1 aBouchard, P.1 aGillespie, D., R.1 aBroadbent, A., B.1 aGibson, G., A. P.  uhttps://weevil.myspecies.info/parasitoid-communities-associated-invasive-canola-pest-ceutorhynchus-obstrictus-coleoptera-curculion