Oriental Fruit Fly – Bactrocera dorsalis

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Description

Adult

Wings clear except for a narrow costal band that doesn’t reach R4+5. Scutum mostly black, scutellum yellow except for basal band. Abdomen with narrow medial dark stripe on tergites 3-5. Postpronotal lobes yellow & femora not extensively marked.

Larvae

Third instar with length of 7.5-10 mm and width of 1.5-2mm. Stomal sensory organ of head with 3-4 sensilla. Anterior portion of each thoracic segment with encircling band of rows of small spinules. Anterior spiracles of 8-12tubules. Posterior spiracles 2.5-3 times as long as broad. Spiracular hairs just longer than slit.

Eggs

Reticulate, white to white-yellow, 0.8mm long withmicropyle slightly protruding. Laid singly below the skin of host fruit.

Distribution

Native to most parts of Asia and now also found in Hawaiiand a number of pacific islands.

Economic Host(s)

A wide range of fruit crops including apple (Malus), guava (Psidium), mango (Mangifera), peach (Prunus) and pear (Pyrus).

Symptoms/Signs

Larvae feed internally on the fruiting stage. Necrosis and sometimes resinous deposits near puncture holes are often signs of female oviposition. Decomposition of the fruit often follows.

Generations:

Up to 10

Trap

Please visit our Liquibator Trap page for more information

Lure

Please visit our Large Wax Plug page for more information