oa Journal of the Entomological Society of Southern Africa - Preliminary observations on the biology and host plants of "Tortrix" sp. (Lepidoptera: Tortricidae), a possible biological control agent for Chrysanthemoides spp. (Asteraceae)
|Article Title||Preliminary observations on the biology and host plants of "Tortrix" sp. (Lepidoptera: Tortricidae), a possible biological control agent for Chrysanthemoides spp. (Asteraceae)|
|© Publisher:||Entomological Society of South Africa (ESSA)|
|Journal||Journal of the Entomological Society of Southern Africa|
|Affiliations||1 CSIRO Biological Control Unit, Zoology Department, University of Cape Town, Cape Town.|
|Publication Date||Sep 1992|
|Pages||245 - 253|
|Keyword(s)||Biology and host plants and Lepidoptera: Tortricidae|
A southern African tortricid (tentatively included in the genus Tortrix) was assessed for its potential as a biological control agent against the weeds Chrysanthemoides monilifera monilifera (L.) T. Norl. and C. m. rotundata (DC.) T. Norl. which have been introduced to Australia. Previously, ""Tortrix"" sp. was identified as Tortrix capensana (Walker), a pest of fruit crops, but in this study it is shown to be a different species. In southern Africa, ""Tortrix"" sp. appears restricted to all six subspecies of C. monilifera and the related C. incana (Burm. f.) T. Norl. The eggs are laid mostly on the upper surface of older leaves.
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