Potential for Potential for Pest risk Present in Present within Potential to be on establishment and economic assessment Pest Indonesia Australia pathway spread consequences required ARTHROPODS Diptera Bactrocera cucurbitae Yes (CABI 2018; No. Records of Yes. This species has Yes. Bactrocera Yes. Depending on Yes (EP) (Coquillett, 1899) Drew & Romig Bactrocera cucurbitae in been intercepted in cucurbitae infests the host and season, 2013) Australia refer to infested fruit of commercially grown losses due to [Tephritidae] Christmas Island and commercial dragon fruit cucurbit species Bactrocera Melon fly occasional outbreaks in consignments (McQuate including squash, cucurbitae can be up the Torres Strait Islands 2010). cucumber and to 100% of a crop (CSIRO 2017). The watermelon (White & (Dhillon et al. 2005). Torres Strait Islands are Elson-Harris 1992). It is a group of more than widely distributed 270 islands in a narrow throughout India, South channel (150 km wide) East Asia and Central between Australia and Africa (CABI 2018; Papua New Guinea. Dhillon et al. 2005). The There are quarantine host range and current measures in place to geographic distribution prevent the spread of of this pest suggest that B. cucurbitae to there are suitable mainland Australia from environments for this the Torres Strait Islands pest to establish and (Department of spread in Australia. Agriculture and Water Resources 2017b). Christmas Island is an external territory of Australia situated in the Indian Ocean lying more than 1500 km northwest of the mainland.
Pest Present in Indonesia Present within Australia Potential to be on pathway Potential for establishment and spread Potential for economic consequences Pest risk assessment required ARTHROPODS Diptera Bactrocera cucurbitae (Coquillett, 1899) [Tephritidae] Melon fly Yes (CABI 2018; Drew & Romig 2013) No. Records of Bactrocera cucurbitae in Australia refer to Christmas Island and occasional outbreaks in the Torres Strait Islands (CSIRO 2017). The Torres Strait Islands are a group of more than 270 islands in a narrow channel (150 km wide) between Australia and Papua New Guinea. There are quarantine measures in place to prevent the spread of B. cucurbitae to mainland Australia from the Torres Strait Islands (Department of Agriculture and Water Resources 2017b). Christmas Island is an external territory of Australia situated in the Indian Ocean lying more than 1500 km northwest of the mainland. Yes. This species has been intercepted in infested fruit of commercial dragon fruit consignments (McQuate 2010). Yes. Bactrocera cucurbitae infests commercially grown cucurbit species including squash, cucumber and watermelon (White & Elson-Harris 1992). It is widely distributed throughout India, South East Asia and Central Africa (CABI 2018; Dhillon et al. 2005). The host range and current geographic distribution of this pest suggest that there are suitable environments for this pest to establish and spread in Australia. Yes. Depending on the host and season, losses due to Bactrocera cucurbitae can be up to 100% of a crop (Dhillon et al. 2005). Yes (EP)
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