Fruit Fly Solutions - STG Community

Fruit Fly Solutions

December 9, 2014

There are a number of pests that cause much frustration and anger to home produce growers of tomatoes, capsicums, peaches, plums, mangoes, oranges, guavas, avocadoes, pawpaws and most other fruits. The guilty pest is none other than the fruit fly.

There is estimated around 4000 species of fruit fly but only 350 species which cause economic damage to crops. There are 280 native endemic species to Australia, but only 7 species that cause damage to crops.

The two major fruit fly concerning gardeners are:

  • Queensland Fruit Fly (Bactrocera tryoni
  • Mediterranean Fruit Fly (Ceratitis capitata)

A great resource for fruit fly identification – http://www.planthealthaustralia.com.au/wp-content/uploads/2012/12/Australian-Handbook-for-the-Identification-of-Fruit-Flies.pdf

CONTROL OF FRUIT FLY

There are a number of strategies available covering lures, baits,

Traps – these attract the flies so gardeners and farmers can monitor the pest population. Some use an attractant with an insecticide, others just attractant. Liquid attractants such as fruit juices and proteinaceous solutions are used to both attract and kill the flies (by drowning).

Attractants – food based attractants tend to attract both male and female insects. Pheromone attractants tend to attract only male flies – are generally based on Cue lure (CUE) and methyl eugenol (ME).

SOLUTIONS

Some products on the market (details as per respective product information):

Cera Trap – food based protein liquid. Attracts male and female Queensland and Mediterranean flies. Quantity needed: 80-120 traps per hectare; or 1 trap per tree in domestic gardens. Each trap lasts 3-4 months.
http://barmac.com.au/cera-trap-fruit-fly-management.html

Eco Naturalure – food based attractant with spinosad insecticide. Attracts male and female of both Queensland and Mediterranean flies. Quantity needed: 7mL product to 43mL water sprayed onto nearby surface. Each spray lasts 7 days. Needs to be reapplied after rainfall if surface was rained on.
http://ecoorganicgarden.com.au/products/pest-disease/eco-naturalure/

Eco-lure Fruit Fly Trap – wick impregnated with pheromone attractant and malathion insecticide. Attracts male Queensland fruit flies only. Quantity needed: every 500 m apart. Lasts for 6 months.
http://ecoorganicgarden.com.au/products/pest-disease/eco-lure-male-queensland-fruit-fly-trap/

Fly Bye – liquid based on native oils to attract male Queensland fruit flies only. Quantity needed: 20mL liquid as a wet trap to drown and dehydrate flies; 4 traps per hectare. Refill liquid as needed.
http://www.nutri-tech.com.au/products/bio-management/fly-bye.html

Wild May – liquid based on native oils. Attracts male Queensland fruit fly only. Quantity needed: 20mL liquid as a wet trap to drown and dehydrate flies; 4 traps per hectare. Refill liquid as needed.
http://wildmay.net.au/

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