Bactrocera cucurbitae, Dacus bivitattus, D. ciliatus and D. frontalis are pests mainly of cucurbit crops. Eggs are hatched into maggots which live and develop inside the 4. The melon fruit fly, Bactrocera cucurbitae (Coquillett) (Diptera: Tephritidae) is distributed widely in temperate, tropical, and sub-tropical regions of the world. Their attack on cucumber not only reduces ... respectively. Egg, larval and pupal stages Damage symptoms vary from fruit to fruit. On Reunion Island, Bactrocera cucurbitae (Coquillett), Dacus ciliatus (Loew), and Dacus demmerezi (Bezzi) cause severe damage to Cucurbit crops. They have been reported as the major limiting factor in ob-taining high yields and good quality fruits of cu-curbits. Attacked fruit usually shows punctures (made by females while laying eggs). Yield losses due to fruit fly infestation vary from 19.19 to 69.96% in different fruits and damage of cucurbits [1]. It has been reported to damage 81 host plants and is a major pest of cucurbitaceous vegetables, particularly the bitter gourd (Momordica charantia), muskmelon (Cucumis melo), snap melon (C. melo var. It has been reported to damage 81 host plants and is a major pest of cucurbitaceous vegetables. Small holes on the fruits are visible when the maggot leaves the fruit. Species: Bactrocera cucurbitae (Coquillett) Common Name: Melon fly Damaging Stage: Maggots/larvae Crops Afected: Cucurbits, solanaceous and legumes Characteristics Damage: Attacks flowers, stem and fruits Eggs are deposited inside the fruits and tissues around the oviposition site become necrotic. Bactrocera cucurbitae (Coq.) Introduction The cucurbit fruit fly, B. cucurbitae is distributed widely in temperate, tropical and sub-tropical regions of the world. Although the rate of attack varies among the crop, infestation reduced both the yield and quality of the cucurbit fruits. Symptoms. Fruit flies cause up to 50 % damage of cucurbits (York, 1992) whereas melon damage may be of 100% (Atwal and Dhaliwal, 2005). The cucurbit fruit fly Bactrocera cucurbitae can attack about 16 different types of cucurbit crops. It has been reported to damage 81 host plants and is a major pest of cucurbitaceous vegetables, particularly the bitter gourd (Momordica charantia), muskmelon (Cucumis melo), snap melon (C. melo var. Abstract. Around these a necrosis may occur. obstacles for its economic production. Keywords: Bactrocera cucurbitae, biology, cucurbit fruit fly, morphometric and incubation period. Drew (1989) placed B. cucumis in the Zeugodacus subgenera under the subgenus Austrodacus. It has been reported to damage 81 host plants and is a major pest of cucurbitaceous vegetables, particularly the bitter gourd (Momordica charantia), The OFF and three other exotic fruit fly species have become established in Hawaii; Bactrocera cucurbitae (melon fly), Bactrcocera latifrons (solanum fruit fly), Cerititas capitata (med fly), all of which are a constant threat to the U.S. mainland. Among them, cucurbit fruit fly, Bactrocera cucurbitae Coquillett is the major pest responsible for considerable damage (Butani and Jotwani, 1984). extensive damage to many fruits and vegetables especially cucurbitaceous vegetables. The melon fruit fly, Bactrocera cucurbitae (Coquillett) (Diptera: Tephritidae) is distributed widely in temperate, tropical, and sub-tropical regions of the world. is considered as a serious pest of pointed gourd. 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