Demographic parameters and biotic factors of two Dacini species, Bactrocera cucurbitae and Dacus ciliatus, on Reunion Island

Vayssières Jean-François, Carel Yannick, Coubès Mathieu. 2004. Demographic parameters and biotic factors of two Dacini species, Bactrocera cucurbitae and Dacus ciliatus, on Reunion Island. In : Proceedings of the 6th International Symposium on Fruit Flies of Economic Importance, 6-10 May 2002, Stellenbosch, South Africa. Barnes Brian N. (ed.). ARC. Irene : Isteg Scientific Publications, 91-95. ISBN 1-86849-298-2 International Symposium on Fruit Flies of Economic Importance. 6, Stellenbosch, Afrique du Sud, 6 Mai 2002/10 Mai 2002.

Résumé : Réunion Island is characterized by a particular orography and a variable distribution of host plants for Dacini species. A complex of 3 Dacini species infests 16 host plant species belonging to the family Cucurbitaceae. These three species of vegetable fruit flies represent the primary pests of this plant family and are the main insect problem for cucurbit crops. We included in this study the two species B. cucurbitae (melon fly) and D. ciliatus (Ethiopian fruit fly). Adults of B. cucurbitae are classified as 'R-strategists; spending more energy than D. ciliatus in effectively using environmental resources. Adults of D. ciliatus can be classified as 'K-strategists: B. cucurbitae is the species best adapted to exploit short-lived host plants. This adaptation explains its pre-dominance over D. ciliatus under larval interspecific competition on Réunion Island.

Mots-clés Agrovoc : culture fruitière, plante hôte, Tephritidae, Dacus, Cucurbitaceae, culture maraîchère, insecte déprédateur des fruits, insecte nuisible, Bactrocera cucurbitae, dynamique des populations, biotope

Mots-clés géographiques Agrovoc : La Réunion, France

Mots-clés complémentaires : Mouche des fruits, Dacus ciliatus

Classification Agris : H10 - Ravageurs des plantes

Auteurs et affiliations

• Vayssières Jean-François, CIRAD-FLHOR-ARF (GUF)
• Carel Yannick
• Coubès Mathieu

Source : Cirad - Agritrop (https://agritrop.cirad.fr/524872/)

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