Pacific Pests, Pathogens & Weeds - Mini Fact Sheet Edition

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Solomon Islands fruit flies (021)

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Relates to: Fruit flies

Photo 1. Mango fly, Bactrocera frauenfeldi.

Photo 2. Melon fly, Bactrocera cucurbitae.

Photo 3. Breadfruit fly, Bactrocera umbrosa.

Photo 4. Solomon fly, Dacus solomonensis.

Photo 5. Fruit fly eggs.

Photo 6. Fruit fly larvae or maggots.

Photo 7. Fruit fly pupae.

Photo 8. Newspaper with edges folded and stapled to form a bag in which to insert fruit to protect it from fruit flies.

Photo 9. Banana leaves used to wrap a fruit bunch to prevent attack by fruit flies, other pests, and to promote uniform ripening, in Papua New Guinea.

Summary

• Bactrocera frauenfeldi - avocado, breadfruit, citrus, capsicum, carambola, guava, jackfruit, Malay apple, mango, papaya, plantain, soursop, and more; B. solomonensis - cucurbits; B. cucurbitae - cucurbits; B. umbrosa - breadfruit and jackfruit.
• Females need protein to lay viable eggs.
• Cultural control: bag fruit with paper or leaves; collect fallen fruit and destroy; harvest early (banana and papaya); some non-hosts, e.g., chilli, pineapple.
• Chemical control: use a commercial protein bait spray, e.g. MPPIL, Royal Tongalure or Bactrogel.

Common Name

Breadfruit fly, mango fly, melon fly, Solomon fly

Scientific Name

Mango fly (Bactrocera frauenfeldi) (Photo 1); melon fly (Bactrocera cucurbitae) (Photo 2); breadfruit fly (Bactrocera umbrosa) (Photo 3); Solomon fly (Dacus solomonensis ) (Photo 4). There are many more fruit fly species in Solomon Islands, but these are pests of economic importance.

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