FLUCTUATING ASYMMETRY IN TWO POPULATIONS OF CEROGLOSSUS CHILENSIS (ESCHSCHOLTZ, 1829) (COLEOPTERA: CARABIDAE) IN AGROECOSYSTEM OF PINUS RADIATA D. DON AGROECOSYSTM, BIO-BIO REGION, CHILE | Health & Environmental Research Online (HERO)

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HERO ID

7259761

Reference Type

Journal Article

Title

FLUCTUATING ASYMMETRY IN TWO POPULATIONS OF CEROGLOSSUS CHILENSIS (ESCHSCHOLTZ, 1829) (COLEOPTERA: CARABIDAE) IN AGROECOSYSTEM OF PINUS RADIATA D. DON AGROECOSYSTM, BIO-BIO REGION, CHILE

Author(s)

Benitez, H; Briones, R; Jerez, V; ,

Year

2008

Publisher

EDICIONES UNIV, CONCEPCION

Location

CONCEPCION

Page Numbers

131-139

Web of Science Id

WOS:000262269100003

Abstract

An analysis of fluctuating asymmetry (FA) Was conducted On Populations of Ceroglossus chilensis. The aim of this Study wits to compare levels of FA at the third antennal segment, among populations from pine plantations of different ages and handling type located in the Coastal mountain range and the Andes foothill of Chile. Insects were collected with pitfall traps during December, 2004, and January, 2005, in plantations of 6-7, 10, 13, and 22-24 years old. Our results Show for the total of insects (n=128), significant differences in FA values in 6-7 (first tree thinning) and 10 years old plantations (commercial thinning) located in both geographical locations. No correlations were found between FA, abundance and the presence of plantation understory. Asymmetry may be the consequence of different plantation management. We discuss how antennal asymmetry may affect, in relation to prey capture and mate search.