Valid name: Bactrocera (Bactrocera) kraussi (Hardy, 1951)
Preferred common name: Krauss' fruit fly
Synonyms:
Dacus kraussi (original combination in Hardy, 1951)
Strumeta kraussi (subsequent combination in May, 1953)
Valid name: Bactrocera (Bactrocera) halfordiae (Tryon, 1927)
Preferred common name: saffronheart fruit fly
Synonyms:
Chaetodacus halfordiae (original combination in Tryon, 1927)
Dacus halfordiae (subsequent combination in Hardy, 1951)
Strumeta halfordiae (subsequent combination in May, 1963)
Chaetodacus gurneyi Perkins, 1934 (junior synonym)
Bactrocera kraussi is reported as a "category B" polyphagous pest in Australia 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 B pest is there defined as "polyphagous fruit pests or destructive specialists more restricted in distribution, but at elevated risk of spreading to new locations". Bactrocera kraussi has been reared from 106 different hosts, including citrus, banana, mango, and guava (Hancock et al. 2000Hancock et al. 2000:
Hancock DL, Hamacek EL, Lloyd AC, Elson-Harris MM, 2000. The distribution and host plants of fruit flies (Diptera: Tephritidae) in Australia. Information Series (Q19906). Queensland Department of Primary Industries, 75pp.).
Bactrocera halfordiae is reported as a "category C" oligophagous fruit pest in Australia 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 C pest is there defined as "relatively minor oligophagous or specialist fruit or cucurbit pests". According to Drew et al. (1982)Drew et al. (1982):
Drew, RAI, Hooper, GHS, Bateman, MA, 1982. Economic Fruit Flies of the South Pacific Region. Queensland Dept. of Primary Industries, Brisbane. Pages 29-31. it is an occasional pest of citrus, loquat, and some myrtaceous fruits.