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Sixth detection of Bactrocera invadens in South Africa

Publication Date
Fri, 28 Oct 2011, 00:00
Last Updated
Oct. 27, 2011, 9:01 a.m.
Report Number
South Africa
Pest Id
Bactrocera invadens - (BCTRIN)
Report Status
Citrus spp are under immediate threat but other commodities that are exported and considered hosts of this pest and produced or present in this area in South Africa include man, guava, tomato, pepper (Capsicum spp) and several wild African fruits.
Pest Status (old values from ISPM 8 -1998 )
  • Transient: actionable, under eradication
Pest Status (ISPM 8 - 2021)
  • Present: transient
Geographical Distribution
Two Bactrocera invadens specimens were detected in two Methyl Eugenol baited fruit fly traps in the Levubu area in the Limpopo province of South Africa, approximately 80 km from the Zimbabwe border post. Delimitation was carried out and the affected a

specimen was detected in a Methyl Eugenol baited fruit fly trap in the Levubu area in the Limpopo province, approximately 80 km from the Zimbabwe border. Subsequently, the NPPO of South Africa initiated a delimiting survey on 05 September 2011 in accordance with the South African Bactrocera invadens Action Plan. On 06 September 2011, another specimen was collected in a separate Methyl Eugenol baited trap.

The fruit fly specimens were identified as Bactrocera invadens by the nominated local fruit fly expert and reported to Directorate Plant Health, Department of Agriculture, Forestry and Fisheries in accordance with the relevant legislation and national Action Plan. Subsequently this identification was confirmed by an internationally recognised fruit fly taxonomist (by 3 October 2011).

A risk assessment was conducted and phytosanitary actions were implemented to control the movement of fruit from the area under delimitation.

Eradication was initiated on 17 October 2011, which includes the application of weekly protein bait sprays and the deployment of male annihilation blocks in the quarantine area.

Potential spread to or establishment of Bactrocera invadens in other production areas where its presence may impede the export potential of the relevant host commodities affected as well as local trade.
Report files

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