FRUIT FLIES. 117 



Dacus dlversus Coquillett. 



(Three -striped Fruit Fly. Trypetidce; Diptera.) 



Host: Mango, orange, guava, peach. 

 Injury: Breeds in fruit. 



Description: Adult, 4-5 mm. long: center of thorax marked with a pale yellow line, 

 with darker regular coloration of the abdomen. 

 Distribution: Ceylon, India. 



Froggatt, W. W. Dept. Agric, New South Wales, Farmers' Bui. 24, 1909, p. 16. 



Dacus ferrugineus Fabricius. 



(Mango Fruit Fly. Trypetidse; Diptera.) 



Host: Fruit of mango (Mangifcra indica), cucurbitaceous fruits?, ak (Calotropis 

 ep.), citrus fruit, Eugenia malaccensu ("cabuyao"). 



Injury: Injurious to over-ripe fruit and commonest species in India and Ceylon. 



Description and biology: Adult, medium size, measiu-ing about 5 mm.; color rusty 

 red, with dorsal siurface of thorax varying from black to a rusty red; sometimes the 

 abdomen is marked with almost black bands. Larvae when in fruit small, yellowish, 

 with pointed head and truncate abdomen; pupate in the soil and emerge as adults in 

 about nine days. 



Distribution: India, Java, Ceylon, Amboina, Philippine Islands. 



OoTES, E. C. Indian Museum Notes, 1896, p. 17. 



Maxwell-Lefkoy, H. Mem. Dept. Agric. India, Entom. Ser., vol. 1, 1907, p. 227. 



Maxwell-Leproy, H. Indian Insect Pests, 1906, p. 170. 



Froggatt, W. W. Dept. Agric, New South Wales, Farmers' Bui. 24, 1909, p. 13. 



Dacus f renchll Froggatt. 



(Fruit Fly. Trypetidse: Diptera.) 



Host: Fruit of Artocarpus intcgrifolia . 



Injury: Bred from oranges entering Victoria from New Caledonia. 



Description: Adult, female about 10 mm. long, with long, rounded body: large hya- 

 line wings with broad costal stripe of light reddish brown; head with large black spot 

 on each side of face and below the base of the antennae; thorax dull yellowish brown; 

 legs yellow, with tarsi darkest. 



Distribution: New Caledonia, Java. 



Froggatt, W. W. Dept. Agric. New South Wales, Farmers' Bull. 24, 1909, p. 27. 

 Froggatt, W. W. Proc. Linn. Soc. New South Wales, 1910, vol. 35, pt. 4. p. 866. 



Dacus passlflorae Froggatt. 



(The Fiji Fly. Trypetidse; Diptera.) 



Host: Granadilla, mango, shaddock; the orange, lemon, and lime are slightly 

 infested. 

 Injury: One of the most abundant fruit flies in Fiji. 

 Distribution: Fiji. 



Froggatt, W. W. Proc. Linn. Soc. New South Wales, 1910, vol. 35, pt. 4, p. 870. 



Dacus perslcsB Big. 



(Peach Fruit Fly. Trypetidse; Diptera.) 



Hosts: Mango and peach. 

 Injury: Larvae injure ripe fruit. 



Description and biology: Adult, red brown with black and yellow markings on the 

 body. Eggs usually deposited in wound on skin of fruit; egg stage about 2 or 3 daya; 



