Effect of volcanic ash over Orthoptera survival in Patagonia
The aim of this work was to evaluate the ash toxicity from the Puyehue-Cordón Caulle volcanic complex on the survival of two Orthopteran species: the grasshoper Dichroplus vittigerum and the green locust Brugilis sp. Two grain size were used to evaluate the effect of volcanic eruption on these ins...
| Autores principales: | , , , , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
| Publicado: |
2017
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/1275 http://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/58/58 |
| _version_ | 1855482859893030912 |
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| author | Fernandez Arhex, Valeria Cristina Amadio, Maria Emilia Enriquez, Andrea Soledad Pietrantuono, Ana Laura Becker, Guillermo Fernando Bruzzone, Octavio Augusto |
| author_browse | Amadio, Maria Emilia Becker, Guillermo Fernando Bruzzone, Octavio Augusto Enriquez, Andrea Soledad Fernandez Arhex, Valeria Cristina Pietrantuono, Ana Laura |
| author_facet | Fernandez Arhex, Valeria Cristina Amadio, Maria Emilia Enriquez, Andrea Soledad Pietrantuono, Ana Laura Becker, Guillermo Fernando Bruzzone, Octavio Augusto |
| author_sort | Fernandez Arhex, Valeria Cristina |
| collection | INTA Digital |
| description | The aim of this work was to evaluate the ash toxicity from the Puyehue-Cordón Caulle volcanic
complex on the survival of two Orthopteran species: the grasshoper Dichroplus vittigerum and the green locust
Brugilis sp. Two grain size were used to evaluate the effect of volcanic eruption on these insects. Chemical
analyses from this eruption proved that the ashes were very abrasive and predominantly composed of silica
shards (SiO2
) and aluminia (Al2
O3
), two substances with insecticidal properties. In northern Patagonia, both
orthopteran species are polyphagous chewers on grasses and dicots. The laboratory data showed that sustained
exposure to volcanic ash induced mortality in adult grasshoppers. Survival of D. vittigerum significantly
decreased once exposed to the two ash granulometries. In turn, Brugilis sp. survival was significantly reduced
when exposed to fine grain ashes. These results suggest that the onset of the volcanic eruption with the
consequent suspension of the pyroclastic material in the air might negatively impacted these orthopteran due
to the mortality of adults. The ash from the Puyehue-Cordón Caulle volcanic complex could be compared to
the application of non-persistent and broad spectrum insecticide, causing a temporary reduction in orthopteran
populations. |
| format | Artículo |
| id | INTA1275 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2017 |
| publishDateRange | 2017 |
| publishDateSort | 2017 |
| record_format | dspace |
| spelling | INTA12752018-01-17T15:08:26Z Effect of volcanic ash over Orthoptera survival in Patagonia Fernandez Arhex, Valeria Cristina Amadio, Maria Emilia Enriquez, Andrea Soledad Pietrantuono, Ana Laura Becker, Guillermo Fernando Bruzzone, Octavio Augusto Supervivencia Survival Locusts Ashes Langosta (Orthoptera) Ceniza Región Patagónica Cenizas Volcánicas Orthoptera Dichroplus Vittigerum The aim of this work was to evaluate the ash toxicity from the Puyehue-Cordón Caulle volcanic complex on the survival of two Orthopteran species: the grasshoper Dichroplus vittigerum and the green locust Brugilis sp. Two grain size were used to evaluate the effect of volcanic eruption on these insects. Chemical analyses from this eruption proved that the ashes were very abrasive and predominantly composed of silica shards (SiO2 ) and aluminia (Al2 O3 ), two substances with insecticidal properties. In northern Patagonia, both orthopteran species are polyphagous chewers on grasses and dicots. The laboratory data showed that sustained exposure to volcanic ash induced mortality in adult grasshoppers. Survival of D. vittigerum significantly decreased once exposed to the two ash granulometries. In turn, Brugilis sp. survival was significantly reduced when exposed to fine grain ashes. These results suggest that the onset of the volcanic eruption with the consequent suspension of the pyroclastic material in the air might negatively impacted these orthopteran due to the mortality of adults. The ash from the Puyehue-Cordón Caulle volcanic complex could be compared to the application of non-persistent and broad spectrum insecticide, causing a temporary reduction in orthopteran populations. El objetivo de este trabajo fue evaluar la toxicidad de las cenizas volcánicas del volcán Puyehue-cordón Caulle en la supervivencia de dos especies de Orthoptera: la tucura Dichroplus vittigerum y la langosta verde Brugilis sp. Se utilizaron dos granulometrías de ceniza para evaluar el efecto de las erupciones volcánicas sobre estos insectos. El análisis químico de la ceniza de esta erupción demostró que estas fueron muy abrasivas y estuvieron predominantemente compuestas por fragmentos de sílice (SiO2) y alúmina (Al2O3), dos sustancias con propiedades insecticidas. En el norte de la Patagonia, ambas especies de ortópteros son polífagas, masticadoras de pastos y dicotiledóneas. Los datos de laboratorio mostraron que la exposición sostenida a la ceniza volcánica provocó mortalidad en adultos de ambas especies. La supervivencia de D. vittigerum disminuyó significativamente bajo las dos granulometrías. La supervivencia de Brugilis sp. se redujo significativamente ante la ceniza fina. Estos resultados sugieren que la erupción volcánica, con la consiguiente suspensión del material piroclástico en el aire, pudo haber impactado negativamente sobre las poblaciones de ortópteros mediante la mortalidad de adultos. La ceniza del complejo volcánico Puyehue-Caulle se podría comparar con la aplicación de un insecticida de amplio espectro no persistente, causando una reducción temporal en poblaciones de ortópteros. Fil: Fernandez Arhex, Valeria Cristina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Amadio, Maria Emilia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina Fil: Enriquez, Andrea Soledad. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Pietrantuono, Ana Laura. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Becker, Guillermo Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina Fil: Bruzzone, Octavio Augusto. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Bariloche; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina 2017-09-20T17:43:25Z 2017-09-20T17:43:25Z 2015-04 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/1275 http://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/58/58 1667-782X 0327-5477 (Online version) 1667-7838 (English version) eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Patagonia (general region) Ecología austral 25 (1) : 81-85. (2015) |
| spellingShingle | Supervivencia Survival Locusts Ashes Langosta (Orthoptera) Ceniza Región Patagónica Cenizas Volcánicas Orthoptera Dichroplus Vittigerum Fernandez Arhex, Valeria Cristina Amadio, Maria Emilia Enriquez, Andrea Soledad Pietrantuono, Ana Laura Becker, Guillermo Fernando Bruzzone, Octavio Augusto Effect of volcanic ash over Orthoptera survival in Patagonia |
| title | Effect of volcanic ash over Orthoptera survival in Patagonia |
| title_full | Effect of volcanic ash over Orthoptera survival in Patagonia |
| title_fullStr | Effect of volcanic ash over Orthoptera survival in Patagonia |
| title_full_unstemmed | Effect of volcanic ash over Orthoptera survival in Patagonia |
| title_short | Effect of volcanic ash over Orthoptera survival in Patagonia |
| title_sort | effect of volcanic ash over orthoptera survival in patagonia |
| topic | Supervivencia Survival Locusts Ashes Langosta (Orthoptera) Ceniza Región Patagónica Cenizas Volcánicas Orthoptera Dichroplus Vittigerum |
| url | http://hdl.handle.net/20.500.12123/1275 http://ojs.ecologiaaustral.com.ar/index.php/Ecologia_Austral/article/view/58/58 |
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