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| Content Provider | Springer Nature Link |
|---|---|
| Author | Fornasari, L. |
| Copyright Year | 1997 |
| Abstract | Aphthona chinchihi Chen was collected in China feeding on leafy spurge (Euphorbia esula L.). Studies were conducted on its host specificity in the laboratory, using field collected adults and their progeny.Aphthona chinchihi can effectively complement the impact of the other natural enemies of leafy spurge established from Europe in the U.S.A. and Canada. The adults feed on leaves and shoots and the larvae, which cause the main damage to the plant, feed on the hypogeous portion of the plant, seriously stressing the plant and preventing its vegetative spread. The host range ofA. chinchihi was studied with tests on adult feeding and oviposition, larval survival and host suitability, using 40 plant species or varieties distributed in 12 families. The experiments demonstrated that it has a high level of specificity. This flea beetle completed its life cycle only on leafy spurge. Also, because of its ecological valence,A. chinchihi has a very good potential as a biocontrol agent in North America.L’altiseAphthona chinchihi Chen a été récoltée en Chine, en train de se nourrir surEuphorbia esula L. (nom vernaculaire anglais : leafy spurge). Des études ont été conduites en laboratoire sur sa spécificité, en utilisant des adultes récoltés sur le terrain et leur descendance. Dans la lutte biologique contreE. esula, il s’avère que l’action d’A. chinchihi est complémentaire de celle des autres ennemis naturels établis aux U.S.A. à partir de l’Europe. Les adultes se nourrissent de feuilles et de jeunes pousses et les larves, qui provoquent les dégâts majeurs, attaquent la partie hypogée de la plante, en stressant fortement la plante et en empêchant sa propagation végétative. Des investigations sur le spectre d’hôtes deA. chinchihi ont étét faites en utilisant 40 espèces ou variétés de plantes classées en 12 familles. Les essais ont porté sur l’alimentation des adultes et leur ponte, ainsi que sur la survie et le développement des larves. Les expériences conduites ont démontré que cet insecte a un niveau élevé de spécificité. Il n’a complété son cycle de développement que surE. esula. Ces caractères bioécologiques et l’apparente tolérance d’A. chinchihi à des climats extrêmes en font un très bon candidat potentiel dans la lutte biologique contreE. esula aux U.S.A. |
| Starting Page | 605 |
| Ending Page | 617 |
| Page Count | 13 |
| File Format | |
| ISSN | 00138959 |
| Journal | BioControl |
| Volume Number | 42 |
| Issue Number | 4 |
| e-ISSN | 15738248 |
| Language | French |
| Publisher | Springer Netherlands |
| Publisher Date | 1997-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Aphthona chinchihi root feeding leaf feeding weed host range Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioural Sciences |
| Content Type | Text |
| Resource Type | Article |
| Subject | Plant Science Ecology, Evolution, Behavior and Systematics Agricultural and Biological Sciences |
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