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Artículo

Biological differences between two allopatric populations of Amblyomma cajennense (Acari: Ixodidae) in Argentina

Mastropaolo, MarianoIcon ; Nava, SantiagoIcon ; Guglielmone, Alberto AlejandroIcon ; Mangold, Atilio JoseIcon
Fecha de publicación: 04/2011
Editorial: Springer
Revista: Experimental and Applied Acarology
ISSN: 0168-8162
e-ISSN: 1572-9702
Idioma: Inglés
Tipo de recurso: Artículo publicado

Resumen

The fertility of hybrids from two distinct populations of Amblyomma cajennense from different ecological regions of Northern Argentina was analyzed. Two colonies of A. cajennense from El Rey National Park (RNP), Salta Province (24 ° 41′S, 64 ° 36′W), and Copo National Park (CNP), Santiago del Estero Province (25 ° 55′S, 61 ° 43′W) were established infesting rabbits with adults collected from vegetation. Reproductive parameters of the first generation in laboratory of each colony and their crosses were evaluated considering engorged weight of females, engorged period of females, pre-oviposition period of females, minimum egg incubation period, reproductive efficiency index [REI = number of eggs laid/weight of the females in mg], and fertility efficiency index [FEI = number of hatched larvae/weight of the females in mg]. Infestations were made as follows: Group 1) RNP males and females; Group 2) CNP males and females; Group 3) males from CNP and females from RNP; Group 4) males from RNP and females from CNP. The engorgement weight of the females from CNP that mated with males from RNP was significantly lighter than those of the engorged females obtained in the other 3 crosses, and the engorged period of the females from CNP that mated with males from RNP was significantly longer that the engorged period of the females belonging to the remaining groups. The females from group 3 and 4 had a FEI extremely low in comparison with the FEI obtained from the engorged females originated from the groups 1 and 2. Biological implication of these findings is discussed.
Palabras clave: Allopatric Populations , Amblyomma Cajennense , Argentina , Biology , Cross-Mating
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/73507
DOI: http://dx.doi.org/10.1007/s10493-010-9404-6
URL: https://link.springer.com/article/10.1007%2Fs10493-010-9404-6
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Articulos de CTRO.CIENTIFICO TECNOL.CONICET - SANTA FE
Citación
Mastropaolo, Mariano; Nava, Santiago; Guglielmone, Alberto Alejandro; Mangold, Atilio Jose; Biological differences between two allopatric populations of Amblyomma cajennense (Acari: Ixodidae) in Argentina; Springer; Experimental and Applied Acarology; 53; 4; 4-2011; 371-375
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