U.S.: Oriental fruit flies detected in Florida

June 07 , 2018

U.S. authorities in Florida have detected three Oriental fruit flies (Bactrocera dorsalis) in south Miami-Dade County, three years after the last time the invasive pest was identified in the state. 

The initial fly was discovered during routine trapping, with additional flies later discovered during expanded trapping activities.

The Oriental fruit fly has been trapped several times in Florida since 1964 with the most recent time being in August 2015, and each time it has been successfully eradicated, the Florida Department of Agriculture said.

“We successfully eradicated this invasive pest, protecting Florida’s $120 billion agriculture industry, three years ago, and together with the U.S. Department of Agriculture we’ll implement an aggressive eradication program to do so again,” said Agriculture Commissioner Adam H. Putnam.

 This species is considered one of the most serious of the world’s fruit fly pests due to its potential economic harm. It attacks more than 400 different fruits, vegetables and nuts, including avocado, peach and grapefruit.

To eradicate this pest, treatment is being conducted in a 1.5-square-mile area around the fly detections. This treatment consists of attracting male flies to bait which consists of an attractant, an insecticide, and a thickening agent. The flies are killed when they feed on the bait.

The mixture is applied every other week to the upper portion of utility poles, trees and inanimate objects for a period of two life cycles of the fly (approximately 60 days) past the date of the last detection.

A third life cycle (approximately 30 days) after the treatment is complete, and no additional fly has been detected, is also required to declare eradication.

www.freshfruitportal.com

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