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17 May 1996
Thirty-two more larvae were found today in three pieces of fruit collected from within the 200-metre fruit fly response A-zone in the central Auckland suburb of Mount Roskill.
The larvae were found in two feijoas and one grapefruit which had been collected from properties in the area last week as part of the fruit monitoring regime, and which had been kept under incubation conditions so that any eggs contained in the fruit would hatch and be detected.
All the fruit in question was collected from two properties where larvae had previously been found
On 2 May, the Ministry of Agriculture discovered two male fruit flies in a trimedlure fruit fly trap in the suburb of Mt Roskill in central Auckland. The fruit fly was identified as Ceratitis capitata, commonly known as Mediterranean fruit fly.
The total number of larvae found is now 57, from eight pieces of fruit. The number of fruit flies trapped still stands at 41 (31 males and 10 females), with only two males found in traps since 10 May.
Weekly application of protein bait mixed with maldison insecticide is continuing in the A and B-zones. Maldison (or malathion) is a commonly used insecticide in home gardens and has a very low toxicity to humans and other mammals. One of its other uses includes treating humans for head lice.
Fruit samples will continue to be collected for monitoring from the A-zone on a weekly basis.
Media inquiries to:
Debbie Gee, Manager, Corporate Communications (04) 474 4258/(025) 465 870
Dr Ruth Frampton, Acting Chief Plants Officer (04) 474 4127/(025) 350 801