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L. 8 mm. C. trinotata. Black, 2 stripes and spot on thorax. Abdomen with 2
spots, wings grey and brown. L. 18- 21 mm.
See Bhatia H. L. (1931 and 1933) Ind. J. Agr. Sci. 4:503 and 6:543 Studies
in life histories of Indian Syrphidae.
Fam. Conopidae. Resemble Hymenoptera, often with a waist, elongate,
almost bare. Antennae 3 jointed with style. Wings often coloured. Slow
fliers. Generally parasitic on Hymenoptera, chase the victim and lay eggs
on its body. Life cycle passed inside the body, larva entering it as soon as
born. Less than 50 species recorded in India almost all in hills. One
recorded in Mahableshwar. O. fiavipes. Black, covered with ashy grey
dust, antennae orange brown, three stripes and three spots on thorax. L. 4-
5 mm.
Fam. Trypetidae (Fruit flies) (फळ शांचे टो ) (PI. HI, Fig. 45) Bright yellow
or orange patterns on wings. Size moderate. Head hemispherical, front
broad. Includes serious pests on fruits and vegetables. Long white eggs
laid on host plant by a strong ovipositor. Maggots feed for about a
fortnight inside, generally fall and pupate in soil. Full grown larva round.
Often forms galls. About 1,200 species recorded, 150 in India, about 10 in
Maharashtra.
D. cucurbitae. Orange, wings with wide brown border, black bristles on
body. Pest on all cucurbits. D. ferrugeneous. Brown, yellow markings on
thorax, hyaline wings, fore border and end cell brown. Variable. Universal
pest on mango, guava, peach, brinjal etc. D. zonatus with brown spot on
wing, on custard apple. C. vesuviana. Yellow, black spotted, banded
wings. Serious pest on zizyphus fruits (Bor). Controlled considerably by a
braconid-Bracon fletcheri Sil.
Refer : Bezzi M. (1913) Mem. Ind. Mus. 3:53 Indian Trypaneidae
(Fruit flies).
FAUNA 452