Invasive Fruit Fly – Bactrocera invadens




Female: 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 medial dark stripe on tergites 3-5. Narrow part of cell br with microtrichia and anterior supra-alar setae present. Male: Ocellar triangle black, frons red-brown with fuscous around frontal & orbital setae. Vertex pale-fuscous. Antennae red-brown. Scutum mostly dark orange-brown. Pleural areas dark fuscous to black. Postpronotal lobe yellow. Scutellum yellow except narrow basal band. Femora entirely fulvous. Wing length 5.4-6.9 mm. Tergites 1-5 orange brown and a T shaped pattern on tergites 3-5.


Third instar with length of 7.5-10 mm and width of 1.5-2 mm. 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 8-12 tubules. Posterior spiracles 2.5-3 times as long as broad. Spiracular hairs just longer than slit.


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


Throughout Africa, Bhutan, India and Sri Lanka

Economic Host(s)

A wide range of fruit and vegetables but is particularly damaging to mango (Mangifera) and guava (Psidium).


Larvae feed internally on fruits. Black or brown lesions can be signs of fruit feeding and exit holes are easily observed.


Up to 10.


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