Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.

Autores
Franceschini, Maria Celeste; de Wysiecki, Maria Laura; Poi, Alicia Susana G.
Año de publicación
2013
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
We aimed to evaluate the variation in the age structure of Cornops aquaticum (Bruner) population and its relation to the host plant biomass and the feeding of the different age classes of this grasshopper on the Water Hyacinth Eichhornia crassipes along two years, in a Paraná River floodplain lake (Chaco, Argentina). Individuals of C. aquaticum were captured with a 70-cm diameter sweep and separated in nymphs A (instars I and II), nymphs B (instars III to VI), adult females and adult males; host plant biomass was sampled using a ring with a 0.30 m2 diameter. Relative daily feeding of C. aquaticum population was calculated by multiplying the number of individuals captured per minute by the daily consumption by individual obtained in each age classes. We found that the age structure and the relative daily feeding of C. aquaticum varied between seasons and years. The highest values of grasshopper abundance, leaf biomass and relative daily feeding of C. aquaticum population were observed in summer 2006. Plant biomass was directly correlated with nymph abundance and not correlated with adult abundance. Plant biomass available as refuge (leaves), food (laminas) and oviposition site (petioles) to C. aquaticum represented up to 62 % of the total plant biomass. The results obtained in C. aquaticum show the importance of considering total plant biomass and plant biomass available for herbivores separately. Our study highlights the need to find an adequate method to estimate density of C. aquaticum and other semi-aquatic grasshoppers in the Paraná River floodplain involving different seasons, years and water phases (rising and falling).
Fil: Franceschini, Maria Celeste. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;
Fil: de Wysiecki, Maria Laura. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - la Plata. Centro de Est.parasitol.y de Vectores (i); Argentina;
Fil: Poi, Alicia Susana G.. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;
Materia
HOST PLANT BIOMASS
LEPTYSMINAE
SEMIAQUATIC GRASSHOPPER
WETLANDS
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/886

id CONICETDig_2b5ab2fddf21d1355c0e27068dd6562c
oai_identifier_str oai:ri.conicet.gov.ar:11336/886
network_acronym_str CONICETDig
repository_id_str 3498
network_name_str CONICET Digital (CONICET)
spelling Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.Franceschini, Maria Celestede Wysiecki, Maria LauraPoi, Alicia Susana G.HOST PLANT BIOMASSLEPTYSMINAESEMIAQUATIC GRASSHOPPERWETLANDShttps://purl.org/becyt/ford/1https://purl.org/becyt/ford/1.6We aimed to evaluate the variation in the age structure of Cornops aquaticum (Bruner) population and its relation to the host plant biomass and the feeding of the different age classes of this grasshopper on the Water Hyacinth Eichhornia crassipes along two years, in a Paraná River floodplain lake (Chaco, Argentina). Individuals of C. aquaticum were captured with a 70-cm diameter sweep and separated in nymphs A (instars I and II), nymphs B (instars III to VI), adult females and adult males; host plant biomass was sampled using a ring with a 0.30 m2 diameter. Relative daily feeding of C. aquaticum population was calculated by multiplying the number of individuals captured per minute by the daily consumption by individual obtained in each age classes. We found that the age structure and the relative daily feeding of C. aquaticum varied between seasons and years. The highest values of grasshopper abundance, leaf biomass and relative daily feeding of C. aquaticum population were observed in summer 2006. Plant biomass was directly correlated with nymph abundance and not correlated with adult abundance. Plant biomass available as refuge (leaves), food (laminas) and oviposition site (petioles) to C. aquaticum represented up to 62 % of the total plant biomass. The results obtained in C. aquaticum show the importance of considering total plant biomass and plant biomass available for herbivores separately. Our study highlights the need to find an adequate method to estimate density of C. aquaticum and other semi-aquatic grasshoppers in the Paraná River floodplain involving different seasons, years and water phases (rising and falling).Fil: Franceschini, Maria Celeste. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;Fil: de Wysiecki, Maria Laura. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - la Plata. Centro de Est.parasitol.y de Vectores (i); Argentina;Fil: Poi, Alicia Susana G.. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;Entomological Soc Brasil2013-04-19info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/886Franceschini, Maria Celeste; de Wysiecki, Maria Laura; Poi, Alicia Susana G.; Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.; Entomological Soc Brasil; Neotropical Entomology; 42; 19-4-2013; 344-3501519-566X1678-8052enginfo:eu-repo/semantics/altIdentifier/url/http://www.ncbi.nlm.nih.gov/pubmed/23949853info:eu-repo/semantics/altIdentifier/doi/10.1007/s13744-013-0130-8info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T10:09:28Zoai:ri.conicet.gov.ar:11336/886instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 10:09:29.098CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
title Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
spellingShingle Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
Franceschini, Maria Celeste
HOST PLANT BIOMASS
LEPTYSMINAE
SEMIAQUATIC GRASSHOPPER
WETLANDS
title_short Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
title_full Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
title_fullStr Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
title_full_unstemmed Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
title_sort Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.
dc.creator.none.fl_str_mv Franceschini, Maria Celeste
de Wysiecki, Maria Laura
Poi, Alicia Susana G.
author Franceschini, Maria Celeste
author_facet Franceschini, Maria Celeste
de Wysiecki, Maria Laura
Poi, Alicia Susana G.
author_role author
author2 de Wysiecki, Maria Laura
Poi, Alicia Susana G.
author2_role author
author
dc.subject.none.fl_str_mv HOST PLANT BIOMASS
LEPTYSMINAE
SEMIAQUATIC GRASSHOPPER
WETLANDS
topic HOST PLANT BIOMASS
LEPTYSMINAE
SEMIAQUATIC GRASSHOPPER
WETLANDS
purl_subject.fl_str_mv https://purl.org/becyt/ford/1
https://purl.org/becyt/ford/1.6
dc.description.none.fl_txt_mv We aimed to evaluate the variation in the age structure of Cornops aquaticum (Bruner) population and its relation to the host plant biomass and the feeding of the different age classes of this grasshopper on the Water Hyacinth Eichhornia crassipes along two years, in a Paraná River floodplain lake (Chaco, Argentina). Individuals of C. aquaticum were captured with a 70-cm diameter sweep and separated in nymphs A (instars I and II), nymphs B (instars III to VI), adult females and adult males; host plant biomass was sampled using a ring with a 0.30 m2 diameter. Relative daily feeding of C. aquaticum population was calculated by multiplying the number of individuals captured per minute by the daily consumption by individual obtained in each age classes. We found that the age structure and the relative daily feeding of C. aquaticum varied between seasons and years. The highest values of grasshopper abundance, leaf biomass and relative daily feeding of C. aquaticum population were observed in summer 2006. Plant biomass was directly correlated with nymph abundance and not correlated with adult abundance. Plant biomass available as refuge (leaves), food (laminas) and oviposition site (petioles) to C. aquaticum represented up to 62 % of the total plant biomass. The results obtained in C. aquaticum show the importance of considering total plant biomass and plant biomass available for herbivores separately. Our study highlights the need to find an adequate method to estimate density of C. aquaticum and other semi-aquatic grasshoppers in the Paraná River floodplain involving different seasons, years and water phases (rising and falling).
Fil: Franceschini, Maria Celeste. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;
Fil: de Wysiecki, Maria Laura. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - la Plata. Centro de Est.parasitol.y de Vectores (i); Argentina;
Fil: Poi, Alicia Susana G.. Consejo Nacional de Invest.cientif.y Tecnicas. Centro Cientifico Tecnol.conicet - Nordeste. Centro de Ecologia Aplicada del Litoral (i); Argentina;
description We aimed to evaluate the variation in the age structure of Cornops aquaticum (Bruner) population and its relation to the host plant biomass and the feeding of the different age classes of this grasshopper on the Water Hyacinth Eichhornia crassipes along two years, in a Paraná River floodplain lake (Chaco, Argentina). Individuals of C. aquaticum were captured with a 70-cm diameter sweep and separated in nymphs A (instars I and II), nymphs B (instars III to VI), adult females and adult males; host plant biomass was sampled using a ring with a 0.30 m2 diameter. Relative daily feeding of C. aquaticum population was calculated by multiplying the number of individuals captured per minute by the daily consumption by individual obtained in each age classes. We found that the age structure and the relative daily feeding of C. aquaticum varied between seasons and years. The highest values of grasshopper abundance, leaf biomass and relative daily feeding of C. aquaticum population were observed in summer 2006. Plant biomass was directly correlated with nymph abundance and not correlated with adult abundance. Plant biomass available as refuge (leaves), food (laminas) and oviposition site (petioles) to C. aquaticum represented up to 62 % of the total plant biomass. The results obtained in C. aquaticum show the importance of considering total plant biomass and plant biomass available for herbivores separately. Our study highlights the need to find an adequate method to estimate density of C. aquaticum and other semi-aquatic grasshoppers in the Paraná River floodplain involving different seasons, years and water phases (rising and falling).
publishDate 2013
dc.date.none.fl_str_mv 2013-04-19
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/886
Franceschini, Maria Celeste; de Wysiecki, Maria Laura; Poi, Alicia Susana G.; Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.; Entomological Soc Brasil; Neotropical Entomology; 42; 19-4-2013; 344-350
1519-566X
1678-8052
url http://hdl.handle.net/11336/886
identifier_str_mv Franceschini, Maria Celeste; de Wysiecki, Maria Laura; Poi, Alicia Susana G.; Age Structure and Feeding of the Neotropical Grasshopper Cornops aquaticum (Bruner) (Orthoptera: Acrididae) on Water Hyacinth.; Entomological Soc Brasil; Neotropical Entomology; 42; 19-4-2013; 344-350
1519-566X
1678-8052
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/http://www.ncbi.nlm.nih.gov/pubmed/23949853
info:eu-repo/semantics/altIdentifier/doi/10.1007/s13744-013-0130-8
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv Entomological Soc Brasil
publisher.none.fl_str_mv Entomological Soc Brasil
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
_version_ 1842270082479161344
score 13.13397