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Abstract:

Neopedies brunneri (Giglio-Tos, 1894) is a grasshopper belonging to the family Acrididae. This group of insects usually has economic importance in Argentina because of their ability to experience outbreaks, but little is known about them. Insect populations usually differ at the phenotypic level, often according to geographical and environmental variables, which may be a good indicator of some other factors with adaptive significance (such as developmental rate, seasonal resource disposal, and growing seasonal length). The aim of this article is to report the first preliminary analysis of phenotypic variation in natural populations of N. brunneri from central Argentina to study the amount of intra- and interpopulation variation in morphometric traits and their probable association with geographic and climatic variables.Wefound the existence of morphometrical differences among populations and a pattern of geographical variation, with males and females from eastern populations being larger than the ones from the west. Sexual size dimorphism was also detected and found to be correlated to geographical and climactic variation. Moreover, geographic patterns of sexual size dimorphism were determined, helping to clarify differential susceptibility of both sexes to environmental conditions. © 2014 Entomological Society of America.

Registro:

Documento: Artículo
Título:Morphometric variation affecting sexual size dimorphism in Neopedies brunneri (Orthoptera: Acrididae)
Autor:Romero, M.L.; Rosetti, N.; Remis, M.I.
Filiación:Laboratorio de Genética de la Estructura Poblacional, Departamento de Ecología, Genética y Evolución, Universidad de Buenos Aires, Argentina
Palabras clave:Orthoptera; grasshopper; growing season; morphometry; phenotype; sexual dimorphism; size distribution; Argentina
Año:2014
Volumen:107
Número:1
Página de inicio:257
Página de fin:263
DOI: http://dx.doi.org/10.1603/AN13096
Título revista:Annals of the Entomological Society of America
Título revista abreviado:Ann. Entomol. Soc. Am.
ISSN:00138746
CODEN:AESAA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00138746_v107_n1_p257_Romero

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Citas:

---------- APA ----------
Romero, M.L., Rosetti, N. & Remis, M.I. (2014) . Morphometric variation affecting sexual size dimorphism in Neopedies brunneri (Orthoptera: Acrididae). Annals of the Entomological Society of America, 107(1), 257-263.
http://dx.doi.org/10.1603/AN13096
---------- CHICAGO ----------
Romero, M.L., Rosetti, N., Remis, M.I. "Morphometric variation affecting sexual size dimorphism in Neopedies brunneri (Orthoptera: Acrididae)" . Annals of the Entomological Society of America 107, no. 1 (2014) : 257-263.
http://dx.doi.org/10.1603/AN13096
---------- MLA ----------
Romero, M.L., Rosetti, N., Remis, M.I. "Morphometric variation affecting sexual size dimorphism in Neopedies brunneri (Orthoptera: Acrididae)" . Annals of the Entomological Society of America, vol. 107, no. 1, 2014, pp. 257-263.
http://dx.doi.org/10.1603/AN13096
---------- VANCOUVER ----------
Romero, M.L., Rosetti, N., Remis, M.I. Morphometric variation affecting sexual size dimorphism in Neopedies brunneri (Orthoptera: Acrididae). Ann. Entomol. Soc. Am. 2014;107(1):257-263.
http://dx.doi.org/10.1603/AN13096