Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics
Intraguild competition is a complex phenomenon that shapes parasitoid communities. When several species of parasitoids oviposit within the same individual host, a complex phenomenon of larval competitive interaction occurs. Within the same guild there is a specialization in competitive strategies, s...
| Main Authors: | , , , |
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| Format: | Artículo |
| Language: | Inglés |
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Elsevier
2019
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| Online Access: | http://hdl.handle.net/20.500.12123/4969 https://www.sciencedirect.com/science/article/pii/S0304380018302461 https://doi.org/10.1016/j.ecolmodel.2018.07.011 |
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| author | Bruzzone, Octavio Augusto Logarzo, Guillermo Alejandro Aguirre, María Beatriz Virla, Eduardo Gabriel |
| author_browse | Aguirre, María Beatriz Bruzzone, Octavio Augusto Logarzo, Guillermo Alejandro Virla, Eduardo Gabriel |
| author_facet | Bruzzone, Octavio Augusto Logarzo, Guillermo Alejandro Aguirre, María Beatriz Virla, Eduardo Gabriel |
| author_sort | Bruzzone, Octavio Augusto |
| collection | INTA Digital |
| description | Intraguild competition is a complex phenomenon that shapes parasitoid communities. When several species of parasitoids oviposit within the same individual host, a complex phenomenon of larval competitive interaction occurs. Within the same guild there is a specialization in competitive strategies, sometimes multiparasitism is avoided, but some species are facultative hyperparasitoids/predators of their competitors. As these interactions occur within a very small host and during a brief period of time, and that direct observation is very difficult to achieve, we used an alternative methodological approach. We analyzed intraguild host competition mechanisms via the combination of a series of competitive behavioral and functional response models, thurstonian competition model and set theory. These models were fitted via a reversible-jump bayesian model selection procedure to a series of competition experiments data using larvae of three species of Gonatocerus spp. (Hymenoptera: Mymaridae), egg parasitoids of the sharpshooter Tapajosa rubromarginata (Hemiptera: Cicadellidae) as a case-of-study. This study tests the influence of intrinsic interspecific competition between inmature stages within on an individual host, and parasitoid arrival order among the three parasitoid
species.
The results showed that the species differed in competitive behavior, some species were better competitors than others. Individuals arriving earlier had a competitive advantage, the weaker species were able to outcompete the stronger ones if the time advantage was longer than 18 h. All the species avoided already parasitized hosts, but in different degrees. The functional response was also different, with the best competitors having shorter estimated handling times. Using this analytical approach on a conventional experimental setup, we gained insights in the mechanism of competition, both on interference and exploitation, and in terms of host
selection, all in a single analysis. |
| format | Artículo |
| id | INTA4969 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA49692019-04-24T17:28:37Z Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics Bruzzone, Octavio Augusto Logarzo, Guillermo Alejandro Aguirre, María Beatriz Virla, Eduardo Gabriel Parasitoides Control Biológico Parasitoids Biological Control Physiological Response Respuesta Fisiológica Gonatocerus Thurstone Model Tapajosa Rubromarginata Intraguild competition is a complex phenomenon that shapes parasitoid communities. When several species of parasitoids oviposit within the same individual host, a complex phenomenon of larval competitive interaction occurs. Within the same guild there is a specialization in competitive strategies, sometimes multiparasitism is avoided, but some species are facultative hyperparasitoids/predators of their competitors. As these interactions occur within a very small host and during a brief period of time, and that direct observation is very difficult to achieve, we used an alternative methodological approach. We analyzed intraguild host competition mechanisms via the combination of a series of competitive behavioral and functional response models, thurstonian competition model and set theory. These models were fitted via a reversible-jump bayesian model selection procedure to a series of competition experiments data using larvae of three species of Gonatocerus spp. (Hymenoptera: Mymaridae), egg parasitoids of the sharpshooter Tapajosa rubromarginata (Hemiptera: Cicadellidae) as a case-of-study. This study tests the influence of intrinsic interspecific competition between inmature stages within on an individual host, and parasitoid arrival order among the three parasitoid species. The results showed that the species differed in competitive behavior, some species were better competitors than others. Individuals arriving earlier had a competitive advantage, the weaker species were able to outcompete the stronger ones if the time advantage was longer than 18 h. All the species avoided already parasitized hosts, but in different degrees. The functional response was also different, with the best competitors having shorter estimated handling times. Using this analytical approach on a conventional experimental setup, we gained insights in the mechanism of competition, both on interference and exploitation, and in terms of host selection, all in a single analysis. Estación Experimental Agropecuaria Bariloche Fil: Bruzzone, Octavio Augusto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Logarzo, Guillermo Alejandro. Fundación para el Estudio de Especies Invasivas; Argentina Fil: Aguirre, María Beatriz. Fundación para el Estudio de Especies Invasivas; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Virla, Eduardo Gabriel. Instituto de Entomología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucuman. Planta Piloto de Procesos Industriales Microbiologicos; Argentina 2019-04-24T17:08:18Z 2019-04-24T17:08:18Z 2018-07 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/4969 https://www.sciencedirect.com/science/article/pii/S0304380018302461 0304-3800 https://doi.org/10.1016/j.ecolmodel.2018.07.011 eng info:eu-repo/semantics/restrictedAccess application/pdf Elsevier Ecological modelling 385 : 114-123. (2018) |
| spellingShingle | Parasitoides Control Biológico Parasitoids Biological Control Physiological Response Respuesta Fisiológica Gonatocerus Thurstone Model Tapajosa Rubromarginata Bruzzone, Octavio Augusto Logarzo, Guillermo Alejandro Aguirre, María Beatriz Virla, Eduardo Gabriel Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title | Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title_full | Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title_fullStr | Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title_full_unstemmed | Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title_short | Intra-host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| title_sort | intra host interspecific larval parasitoid competition solved using modelling and bayesian statistics |
| topic | Parasitoides Control Biológico Parasitoids Biological Control Physiological Response Respuesta Fisiológica Gonatocerus Thurstone Model Tapajosa Rubromarginata |
| url | http://hdl.handle.net/20.500.12123/4969 https://www.sciencedirect.com/science/article/pii/S0304380018302461 https://doi.org/10.1016/j.ecolmodel.2018.07.011 |
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