1998
DOI: 10.1111/j.1440-6055.1998.tb01562.x
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Overwintering sites of Chrysophtharta bimaculata (Olivier) (Coleoptera: Chrysomelidae) in commercially managed Eucalyptus obliqua forests

Abstract: Chrysophtharta bimaculata is a serious pest of eucalypt forests in Tasmania. The beetle overwinters as a diapausing adult, but it is poorly documented whether it forms overwintering aggregations or where it shelters. During winter 1992, we searched 386 possible overwintering sites for C. bimaculata in Eucalyptus obliqua forests. Fourteen types of habitat were identi®ed, of which clumps of Gahnia grandis sheltered the greatest mean number of insects (3.31 0.72 insects/plant, n 65 plants), while bracken fern lit… Show more

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Cited by 7 publications
(3 citation statements)
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“…Most individuals of non-saproxylic species sampled are presumed to have been trapped in overwintering-or aestivating-sites when the eclectors were first closed. This is almost certainly the case for the most numerous species in this category, the eucalypt leaf-beetle Paropsisterna bimaculata, which is known to overwinter amongst fissured bark as well as under logs (Clarke et al 1998).…”
Section: Trophic Structurementioning
confidence: 99%
“…Most individuals of non-saproxylic species sampled are presumed to have been trapped in overwintering-or aestivating-sites when the eclectors were first closed. This is almost certainly the case for the most numerous species in this category, the eucalypt leaf-beetle Paropsisterna bimaculata, which is known to overwinter amongst fissured bark as well as under logs (Clarke et al 1998).…”
Section: Trophic Structurementioning
confidence: 99%
“…Beetles classified as tourists in our study include those known to overwinter on tree ferns, such as the eucalypt‐feeding chrysomelid Paropsisterna bimaculata (Clarke et al . 1998) and saproxylic species associated with Eucalyptus logs, such as certain cryptorhynchine weevils (Grove & Bashford 2003).…”
Section: Discussionmentioning
confidence: 99%
“…The life-cycle consists of an overwintering phase in which adult beetles shelter under bark, in cracks and crevices of old trees and stags (Greaves 1966) and in the leaf clumps of Gahnia grandis (Clarke et al 1998b). During the overwintering stage, beetles are brown-red in colour.…”
Section: An Introduction To the Paropsines And Chrysophtharta Bimaculatamentioning
confidence: 99%