Bactrocera (genus)

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Bactrocera tryoni (click on image to enlarge it)
Author(s): James Niland
Source: Wikimedia Commons

Bactrocera Macquart, 1835

This a large genus of fruit flies with more than 300 species. The species are found in many parts of the tropics and subtropics, in particular in Asia and Australia. The genus includes around 50 important pest species. The females lay eggs inside the fruits where the larvae feed. The mature larvae leave the fruits and pupate in the ground.

Bactrocera species have been reared from over 800 species of fruits. B. dorsalis and B. tryoni are considered the most damaging species. The olive fly, Bactrocera oleae, is native to the Mediterranean region and has been recorded form California since 1998.

The adults are characterized by their wing venation. The thorax is brown to dark brown with a pattern of yellow marks. The genus is closely related to the genus Dacus which, however, has all abdominal tergites fused. The subgenus Zeugodacus is now considered a separate genus.

For a review see Vargas et al., 2015.

Currently, the following species have been entered into the system: