Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns
Many parasitoid species discriminate already parasitized hosts, thus avoiding larval competition. However, females incur in superparasitism under certain circumstances. Superparasitism is commonly observed in the artificial rearing of the parasitoid Diachasmimorpha longicaudata, yet host discriminat...
| Main Authors: | , , , , , |
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| Format: | Artículo |
| Language: | Inglés |
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Cambridge University Press
2021
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/9102 https://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/abs/host-discrimination-in-the-fruit-fly-parasitoid-diachasmimorpha-longicaudata-evidence-from-virgin-female-behaviour-and-egg-distribution-patterns/2AB8A0FDACF57FEDE787FCF3AFD4A4B0 https://doi.org/10.1017/S0007485320000589 |
| _version_ | 1855484331056693248 |
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| author | Devescovi, Francisco Bachmann, Guillermo Enrique Nussenbaum, Ana Laura Viscarret, Mariana Mabel Cladera, Jorge Luis Segura, Diego Fernando |
| author_browse | Bachmann, Guillermo Enrique Cladera, Jorge Luis Devescovi, Francisco Nussenbaum, Ana Laura Segura, Diego Fernando Viscarret, Mariana Mabel |
| author_facet | Devescovi, Francisco Bachmann, Guillermo Enrique Nussenbaum, Ana Laura Viscarret, Mariana Mabel Cladera, Jorge Luis Segura, Diego Fernando |
| author_sort | Devescovi, Francisco |
| collection | INTA Digital |
| description | Many parasitoid species discriminate already parasitized hosts, thus avoiding larval competition. However, females incur in superparasitism under certain circumstances. Superparasitism is commonly observed in the artificial rearing of the parasitoid Diachasmimorpha longicaudata, yet host discrimination has been previously suggested in this species. Here, we addressed host discrimination in virgin D. longicaudata females in a comprehensive way by means of direct and indirect methods, using Ceratitis capitata and Anastrepha fraterculus which are major fruit fly pests in South America. Direct methods relied on the description of the foraging behaviour of females in arenas with parasitized and non-parasitized host larvae. In the indirect methods, healthy larvae were offered to single females and the egg distributions were compared to a random distribution. We found that D. longicaudata was able to recognize parasitized host from both host species, taking 24 h since a first parasitization for A. fraterculus and 48 h for C. capitata. Indirect methods showed females with different behaviours for both host species: complete discrimination, non-random (with superparasitism), and random distributions. A larger percentage of females reared and tested on A. fraterculus incurred in superparasitism, probably associated with higher fecundity. In sum, we found strong evidence of host discrimination in D. longicaudata, detecting behavioural variability associated with the host species, the time since the first parasitization and the fecundity of the females. |
| format | Artículo |
| id | INTA9102 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Cambridge University Press |
| publisherStr | Cambridge University Press |
| record_format | dspace |
| spelling | INTA91022021-04-15T16:53:29Z Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns Devescovi, Francisco Bachmann, Guillermo Enrique Nussenbaum, Ana Laura Viscarret, Mariana Mabel Cladera, Jorge Luis Segura, Diego Fernando Superparasitism Parasitoids Females Superparasitismo Braconidae Diptera Hymenoptera Parasitoides Tephritidae Biosteres longicaudatus Hembra Diachasmimorpha longicaudata Mosca de la Fruta Many parasitoid species discriminate already parasitized hosts, thus avoiding larval competition. However, females incur in superparasitism under certain circumstances. Superparasitism is commonly observed in the artificial rearing of the parasitoid Diachasmimorpha longicaudata, yet host discrimination has been previously suggested in this species. Here, we addressed host discrimination in virgin D. longicaudata females in a comprehensive way by means of direct and indirect methods, using Ceratitis capitata and Anastrepha fraterculus which are major fruit fly pests in South America. Direct methods relied on the description of the foraging behaviour of females in arenas with parasitized and non-parasitized host larvae. In the indirect methods, healthy larvae were offered to single females and the egg distributions were compared to a random distribution. We found that D. longicaudata was able to recognize parasitized host from both host species, taking 24 h since a first parasitization for A. fraterculus and 48 h for C. capitata. Indirect methods showed females with different behaviours for both host species: complete discrimination, non-random (with superparasitism), and random distributions. A larger percentage of females reared and tested on A. fraterculus incurred in superparasitism, probably associated with higher fecundity. In sum, we found strong evidence of host discrimination in D. longicaudata, detecting behavioural variability associated with the host species, the time since the first parasitization and the fecundity of the females. Instituto de Genética Fil: Devescovi, Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética. Laboratorio de Genética de Insectos de Importancia Económica; Argentina Fil: Devescovi, Francisco. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Devescovi, Francisco. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bachmann, Guillermo Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética. Laboratorio de Genética de Insectos de Importancia Económica; Argentina Fil: Bachmann, Guillermo Enrique. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Bachmann, Guillermo Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Nussenbaum, Ana Laura. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética. Laboratorio de Genética de Insectos de Importancia Económica; Argentina Fil: Nussenbaum, Ana Laura. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Nussenbaum, Ana Laura. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Viscarret, Mariana Mabel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Microbiología y Zoología Agrícola. Insectario de Investigaciones para Lucha Biológica; Argentina Fil: Viscarret, Mariana Mabel. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Viscarret, Mariana Mabel. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Cladera, Jorge Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética. Laboratorio de Genética de Insectos de Importancia Económica; Argentina Fil: Cladera, Jorge Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Cladera, Jorge Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Segura, Diego Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Genética. Laboratorio de Genética de Insectos de Importancia Económica; Argentina Fil: Segura, Diego Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Segura, Diego Fernando. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2021-04-15T16:41:27Z 2021-04-15T16:41:27Z 2021-04 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/9102 https://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/abs/host-discrimination-in-the-fruit-fly-parasitoid-diachasmimorpha-longicaudata-evidence-from-virgin-female-behaviour-and-egg-distribution-patterns/2AB8A0FDACF57FEDE787FCF3AFD4A4B0 0007-4853 https://doi.org/10.1017/S0007485320000589 eng info:eu-repo/semantics/restrictedAccess application/pdf Cambridge University Press Bulletin of Entomological Research 111 (2) : 229-237 (Abril 2021) |
| spellingShingle | Superparasitism Parasitoids Females Superparasitismo Braconidae Diptera Hymenoptera Parasitoides Tephritidae Biosteres longicaudatus Hembra Diachasmimorpha longicaudata Mosca de la Fruta Devescovi, Francisco Bachmann, Guillermo Enrique Nussenbaum, Ana Laura Viscarret, Mariana Mabel Cladera, Jorge Luis Segura, Diego Fernando Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title | Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title_full | Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title_fullStr | Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title_full_unstemmed | Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title_short | Host discrimination in the fruit fly parasitoid Diachasmimorpha longicaudata : evidence from virgin female behaviour and egg distribution patterns |
| title_sort | host discrimination in the fruit fly parasitoid diachasmimorpha longicaudata evidence from virgin female behaviour and egg distribution patterns |
| topic | Superparasitism Parasitoids Females Superparasitismo Braconidae Diptera Hymenoptera Parasitoides Tephritidae Biosteres longicaudatus Hembra Diachasmimorpha longicaudata Mosca de la Fruta |
| url | http://hdl.handle.net/20.500.12123/9102 https://www.cambridge.org/core/journals/bulletin-of-entomological-research/article/abs/host-discrimination-in-the-fruit-fly-parasitoid-diachasmimorpha-longicaudata-evidence-from-virgin-female-behaviour-and-egg-distribution-patterns/2AB8A0FDACF57FEDE787FCF3AFD4A4B0 https://doi.org/10.1017/S0007485320000589 |
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