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| Titel: |
The taxonomic status of Larinus cynarae F. and Larinus latus Herbst (coleoptera: Curculionidae), and its implications for the biological control of Onopordum (asteraceae: Cardueae) in Australia |
| Auteur: |
Michalakis, Y. Briese, D. T. Sheppard, A. W. |
| Verschenen in: |
Biocontrol science and technology |
| Paginering: | Jaargang 2 (1992) nr. 4 pagina's 275-280 |
| Jaar: |
1992 |
| Inhoud: |
Analyses were made of the allozyme frequencies of sympatric populations of the capitulum weevils L. latus Herbst and Larinus cyarae F. in Greece. It was found that the two taxa are genetically isolated and that they can therefore be considered as separate species. This complemented ecological data showing separation of the L. latus and L. cynarae populations by their choice of Onopordum illyricum L. and Cynara cardunculus, respectively, as hosts. Onopordum spp. are serious weed problems in Australia while Cynara contains several crop plants. L. latus is a potential biological control agent of Onopordum spp., but its use had been compromised by the uncertainty of the taxonomic distinctness from L. cynarae, biotypes of which are pests of artichoke Cynara scolymus L. Clarification of its taxonomic status lifts these reservations and clears the way for the introduction of L. latus into Australia for the biological control of Onopordum thistles. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
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