Taxonomy
Valid name:
Bactrocera (
Paratridacus)
expandens (Walker, 1859)
Preferred common name: None
Synonyms:
Dacus expandens (original combination in Walker, 1859)
Chaetodacus expandens (subsequent combination in Bezzi, 1919)
Paratridacus expandens (subsequent combination in Perkins, 1939)
Morphology-based identification
Bactrocera expandens can be identified reliably based on morphology. Spot characters are a wide costal band up to vein R4+5 and light infuscation across the entire wing.
Molecular identification
There are no molecular reference data available for
B. expandens.
Distribution
Bactrocera expandens has been recorded from the Maluku islands in Indonesia, New Guinea, and Queensland in Australia. Its native range is unclear.
Further information
Bactrocera expandens is reported as a "category D" pest of mangosteen in
Vargas et al. (2015)Vargas et al. (2015):
Vargas RI, Pinero JC, Leblanc L, 2015. An overview of pest species of Bactrocera fruit flies (Diptera: Tephritidae) and the integration of biopesticides with other biological approaches for their management with a focus on the pacific region. Insects 6: 297–318. https://doi.org/10.3390/insects6020297. A category D pest is there defined as "species that have been occasionally bred from commercial/edible fruit or cucurbits".
