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Effective control of Jarvis's fruit fly, Bactrocera jarvisi (Diptera: Tephritidae), by the weaver ant, Oecophylla smaragdina (Hymenoptera: Formicidae), in mango orchards in the Northern Territory of Australia

Peng, Renkang and Christian, Keith A. (2006). Effective control of Jarvis's fruit fly, Bactrocera jarvisi (Diptera: Tephritidae), by the weaver ant, Oecophylla smaragdina (Hymenoptera: Formicidae), in mango orchards in the Northern Territory of Australia. International Journal of Pest Management,52(4):275-282.

Document type: Journal Article
Citation counts: Scopus Citation Count Cited 19 times in Scopus Article | Citations

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IRMA ID 81151512xPUB13
Title Effective control of Jarvis's fruit fly, Bactrocera jarvisi (Diptera: Tephritidae), by the weaver ant, Oecophylla smaragdina (Hymenoptera: Formicidae), in mango orchards in the Northern Territory of Australia
Author Peng, Renkang
Christian, Keith A.
Journal Name International Journal of Pest Management
Publication Date 2006
Volume Number 52
Issue Number 4
ISSN 0967-0874   (check CDU catalogue  open catalogue search in new window)
Scopus ID 2-s2.0-33845654468
Start Page 275
End Page 282
Total Pages 8
Place of Publication UK
Publisher Taylor & Francis
Field of Research AGRICULTURAL AND VETERINARY SCIENCES
0706 - Horticultural Production
HERDC Category C1 - Journal Article (DEST)
Abstract Jarvis's fruit fly, Bactrocera jarvisi (Tryon), is a major insect pest in mango production in the Northern Territory of Australia. Chemical insecticides, together with farming strategies, are effective in reducing fruit fly damage, but have resulted in increased costs, the reduction of natural enemies and environmental pollution. For organic growers, no effective options are available. Weaver ants, Oecophylla smaragdina (Fabricius), are effective in controlling many insect pests in citrus, cashew and mango orchards. To determine whether weaver ants have the potential to control Jarvis's fruit fly, field experiments were conducted from 2001 to 2003 at three orchards in northern Australia. Data from a conventional orchard showed that the treatment with weaver ants plus soft chemicals produced lower levels of rejected fruits (0-0.4%) than the treatment with chemical insecticides (0.9-4.7%). In organic or insecticide-free orchards, fruits were much less damaged on trees with weaver ants (≤1%) than on trees without the ants (1.5-5.1%). Fewer fruit fly puparia were produced from fruits collected in the weaver ant treatment (0 - 0.6 puparia/fruit) than from fruits collected in the insecticide treatment (1.2-3.7 puparia/fruit). Green mature fruits produced fewer fruit fly puparia (1.2 puparia/fruit) than ripe fruits (3.7 puparia/fruit). More fruit fly adults were observed in the insecticide treatment (0.8 adult/tree) than in the weaver ant treatment (0.2 adult/tree). This work indicates that weaver ants are efficient biocontrol agents of Jarvis's fruit fly.
DOI http://dx.doi.org/10.1080/09670870600795989   (check subscription with CDU E-Gateway service for CDU Staff and Students  check subscription with CDU E-Gateway in new window)
 
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