The host range of Trirhabda flavolimbata (Mannerheim) (Coleoptera: Chrysomelidae) and its suitability as a biological control agent for Baccharis spp. (Asteraceae: Astereae)

The host range of Trirhabda flavolimbata was determined using both adults and larvae in feeding tests. Although Baccharis spp. were the preferred hosts, significant feeding occurred on other plants belonging to the Tribe Astereae. It was concluded that although this insect was stenophagous, its host...

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Bibliographic Details
Published in:The Coleopterists bulletin 1986-06, Vol.40 (2), p.149-153
Main Author: Palmer, W.A
Format: Article
Language:English
Subjects:
AUSTRALIA
AUSTRALIE
Baccharis
BACCHARIS HALIMIFOLIA
BACCHARIS NEGLECTA
Beetles
BIOLOGICAL CONTROL
Biological taxonomies
Chrysomelidae
COLEOPTERA
COMPOSITAE
CONTROL BIOLOGICO
CONTROL DE MALEZAS
DEFOLIACION
DEFOLIATION
Genera
Host plants
Host range
Insect larvae
Larvae
Larval development
Leaves
LUTTE ANTI-MAUVAISE HERBE
LUTTE BIOLOGIQUE
TEXAS
Trirhabda flavolimbata
WEED CONTROL
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Summary:The host range of Trirhabda flavolimbata was determined using both adults and larvae in feeding tests. Although Baccharis spp. were the preferred hosts, significant feeding occurred on other plants belonging to the Tribe Astereae. It was concluded that although this insect was stenophagous, its host range was too wide for T. flavolimbata to be approved as a biocontrol agent against B. halimifolia in Australia or B. neglecta in Texas.
ISSN:0010-065X
1938-4394