Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada
The genus <i>Ceutorhynchus</i> Germar (Coleoptera: Curculionidae) is composed of canola pests, natural enemies of Brassicaceae, and other species associated with non-crop and non-weed plants. This study aimed to establish trophic associations of <i>Ceutorhynchus</i> with thei...
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| Format: | Article |
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MDPI AG
2023-07-01
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| Series: | Insects |
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| Online Access: | https://www.mdpi.com/2075-4450/14/7/607 |
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| author | Claudine Desroches Joseph Moisan-De Serres Émilien Rodrigue Geneviève Labrie Éric Lucas |
| author_facet | Claudine Desroches Joseph Moisan-De Serres Émilien Rodrigue Geneviève Labrie Éric Lucas |
| author_sort | Claudine Desroches |
| collection | DOAJ |
| description | The genus <i>Ceutorhynchus</i> Germar (Coleoptera: Curculionidae) is composed of canola pests, natural enemies of Brassicaceae, and other species associated with non-crop and non-weed plants. This study aimed to establish trophic associations of <i>Ceutorhynchus</i> with their host plants and with their parasitoids in the agricultural landscape, in order to assess the actual beneficial or noxious ecological roles of the insects. Trophic associations were established by identifying <i>Ceutorhynchus</i> species and their parasitoids emerging from collected Brassicaceae plants in areas adjacent to canola fields and other crops in 2019 and 2020. Five <i>Ceutorhynchus</i> species were collected and identified as hosts of parasitoids in the families Pteromalidae and Eulophidae. Two functional groups were characterized: natural enemies of weeds and agricultural pests. The exotic wormseed wallflower, <i>Erysimum cheiranthoides</i> was identified as a new host plant of the invasive canola pest <i>Ceutorhynchus obstrictus</i> (Marsham), and the native tower rockcress, Arabis glabra, as a new host plant of the native <i>Ceutorhynchus neglectus</i> Blatchley. Association between the exotic <i>Ceutorhynchus typhae</i> (Herbst) and a parasitoid of the genus Elachertodomyia is reported for the first time. Finally, <i>Ceutorhynchus neglectus</i> and <i>C. typhae</i> hosted the exotic parasitoid <i>Trichomalus perfectus</i>, an important natural enemy of <i>C. obstrictus</i>. |
| first_indexed | 2024-03-11T00:58:37Z |
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| institution | Directory Open Access Journal |
| issn | 2075-4450 |
| language | English |
| last_indexed | 2024-03-11T00:58:37Z |
| publishDate | 2023-07-01 |
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| record_format | Article |
| series | Insects |
| spelling | doaj.art-53c1f2bc51af49caa2fcdb3eadd9c5bb2023-11-18T19:48:53ZengMDPI AGInsects2075-44502023-07-0114760710.3390/insects14070607Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, CanadaClaudine Desroches0Joseph Moisan-De Serres1Émilien Rodrigue2Geneviève Labrie3Éric Lucas4Laboratoire de Lutte Biologique, Département des Sciences Biologiques, Université du Québec à Montréal, Montréal, QC H2X 1Y4, CanadaLaboratoire D’expertise et de Diagnostic en Phytoprotection (LEDP), Ministère de l’Agriculture, des Pêcheries et de l’Alimentation (MAPAQ), Québec, QC G1P 3W8, CanadaLaboratoire D’expertise et de Diagnostic en Phytoprotection (LEDP), Ministère de l’Agriculture, des Pêcheries et de l’Alimentation (MAPAQ), Québec, QC G1P 3W8, CanadaCentre de Recherche Agroalimentaire de Mirabel, Mirabel, QC J7N 2X8, CanadaLaboratoire de Lutte Biologique, Département des Sciences Biologiques, Université du Québec à Montréal, Montréal, QC H2X 1Y4, CanadaThe genus <i>Ceutorhynchus</i> Germar (Coleoptera: Curculionidae) is composed of canola pests, natural enemies of Brassicaceae, and other species associated with non-crop and non-weed plants. This study aimed to establish trophic associations of <i>Ceutorhynchus</i> with their host plants and with their parasitoids in the agricultural landscape, in order to assess the actual beneficial or noxious ecological roles of the insects. Trophic associations were established by identifying <i>Ceutorhynchus</i> species and their parasitoids emerging from collected Brassicaceae plants in areas adjacent to canola fields and other crops in 2019 and 2020. Five <i>Ceutorhynchus</i> species were collected and identified as hosts of parasitoids in the families Pteromalidae and Eulophidae. Two functional groups were characterized: natural enemies of weeds and agricultural pests. The exotic wormseed wallflower, <i>Erysimum cheiranthoides</i> was identified as a new host plant of the invasive canola pest <i>Ceutorhynchus obstrictus</i> (Marsham), and the native tower rockcress, Arabis glabra, as a new host plant of the native <i>Ceutorhynchus neglectus</i> Blatchley. Association between the exotic <i>Ceutorhynchus typhae</i> (Herbst) and a parasitoid of the genus Elachertodomyia is reported for the first time. Finally, <i>Ceutorhynchus neglectus</i> and <i>C. typhae</i> hosted the exotic parasitoid <i>Trichomalus perfectus</i>, an important natural enemy of <i>C. obstrictus</i>.https://www.mdpi.com/2075-4450/14/7/607natural enemyplant-insect interactionsweeviltrophic webPteromalidae |
| spellingShingle | Claudine Desroches Joseph Moisan-De Serres Émilien Rodrigue Geneviève Labrie Éric Lucas Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada Insects natural enemy plant-insect interactions weevil trophic web Pteromalidae |
| title | Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada |
| title_full | Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada |
| title_fullStr | Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada |
| title_full_unstemmed | Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada |
| title_short | Trophic Interactions of <i>Ceutorhynchinae</i> spp. (Coleoptera: Curculionidae) with Their Host Plants (Brassicaceae) and Their Parasitoids in the Agroecosystem of Quebec, Canada |
| title_sort | trophic interactions of i ceutorhynchinae i spp coleoptera curculionidae with their host plants brassicaceae and their parasitoids in the agroecosystem of quebec canada |
| topic | natural enemy plant-insect interactions weevil trophic web Pteromalidae |
| url | https://www.mdpi.com/2075-4450/14/7/607 |
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