Eradication of Bactrocera dorsalis (Oriental Fruit Fly) in Pixley Ka Seme and ZF Mgcawu District Municipalities, in the Northern Cape province of South Africa

Publication Date
Thu, 31 Oct 2019, 14:17
Last Updated
Oct. 31, 2019, 2:17 p.m.
Report Number
ZAF-50/1
Country
South Africa
Pest Id
Bactrocera dorsalis - (DACUDO)
Report Status
Final
Hosts
Citrus spp, Grape (Vitis spp) (including Table-, Wine-, and Dried fruit varieties) and Pomegranate fruits produced or present in this area, are no longer under threat.
Pest Status
  • Absent: pest eradicated
Geographical Distribution
Areas alongside or close to the Lower Orange River in the Northern Cape province of South Africa. These areas consists of: Areas between Douglas and Prieska, in Pixley Ka Seme District Municipality, situated approximately 300 Km East of Upington. Areas between Groblershoop, and Augrabies including Groblershoop, Karos, Upington, Kakamas and Augrabies, in ZF Mgcawu District Municipality.
Summary

Several B. dorsalis specimens were detected between Douglas to Prieska, Pixley Ka Seme District Municipality, including Groblershoop, Karos, Upington, Kakamas as well as Augrabies, areas alongside or close to the Orange River, in ZF Mgcawu District Municipality, in the Northern Cape province of South Africa. The detections were encountered on several occasions between 07 February and 29 May 2019, respectively.

The identifications of all the fruit fly specimens were confirmed by the nominated local fruit fly expert by means of molecular analysis. Phytosanitary actions were implemented to control the movement of fruit from the area under delimitation. Eradication which included the application of protein bait sprays, deployment of male annihilation (MAT) blocks and strict field sanitation within the quarantine area, were initiated.

After 8 weeks with MAT and baiting, a 4 week monitoring period followed, there were no further detections. Therefore, supporting declaration of the status of areas from Douglas to Prieska as well as between Groblershoop to Augrabies as free from the presence of Bactrocera dorsalis, as this pest has been successfully eradicated. Therefore, the status of the pest in point in this area is: Eradicated.

Danger
Any immediate or potential danger of B. dorsalis has been prevented by successfully applied quarantine measures, supported by prevailing climatic conditions unfavourable to B. dorsalis.
Contact for info
Ms Shirley Mathelemuse Private Bag X14 Gezina 0031 South Africa ShirleyMat@daff.gov.za
Report files
eradication of Bactrocera dorsalis (Oriental Fruit Fly) in Pixley Ka Seme and ZF Mgcawu District Municipalities, in the Northern Cape province of South Africa
Issue keywords
Eradication/Successful eradication
Commodity keywords
Citrus fruit, fresh or dried

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