Bactrocera tryoni froggatt biography images

Photo 1. Queensland fruit fly, Bactrocera tryoni. Note, the yellow stripe towards the edge of the thorax as seen from above. Photo 3.

The Queensland fruit fly, Bactrocera tryoni (Froggatt), occurs in climates ranging from temperate to tropical.

Steiner fruit fly trap. A plastic cylinder about 1 litre volume, with openings at each end for entry of the flies and to allow free movement of the pheromone from the cotton wick. Over fruits and vegetables are hosts in 49 flowering families. Some of the main hosts are Annona species soursop, custard apple, sugar apple , apple, avocado, capsicum, carambola, cashew, Citrus species, coffee, eggplant, guava, Indian almond Terminalia catappa , Malay apple, mango, Pacific lychee Pometia pinnata , papaya, passionfruit, peach, rose apple, sapodila, sapote, Surinam cherry, Tahitian chestnut Inocarpus fagifer and tomato.

Wild hosts are fish poison tree Barringtonia asiatica , Java nut Canarium vulgare , noni, and Phyllanthus leafflower species. Pineapples are not a host. The QFF is a severe pest of a wide range of fruits and vegetables, capable of existing in diverse climates. It is potentially invasive as it infests fruit often carried by people while travelling.

Image is of Queensland fruit fly (Bactrocera tryoni (Froggatt, )) adult(s).

Eggs are white, 1 mm long, banana-shaped, laid inside ripe fruits and vegetables just below the surface. The QFF can lay up to eggs a day in small batches of 6 or so. Often, several females lay in the same fruit. The eggs hatch in days and when mature the maggots are 7 mm long, carrot-shaped with an ability to curl into a 'U'-shape and jump.