27(3): 367-378. Dacus dorsalis (Oriental fruit fly) (Diptera: Tephritidae). Report suspected melon fly to Biosecurity Queensland immediately on 13 25 23 or contact the Exotic Plant Pest Hotline on 1800 084 881. Eggs are generally laid in young fruit 2-4mm deep, but are also laid in the succulent stems of host plants. Internac. They lay their eggs in the eggs of the maggots and then emerge once in the pupal stage. The principal leafminer species in the southwest include L. trifolii and L. sativae. Breeding is continuous, with several generations possible annually. Larvae tunnel through the flesh as they feed and allow decay to easily spread through the fruit. Melon Fly Damage on Cucumber. Melon fruit fly (Bactrocera cucurbitae) is a small fruit fly that attacks a range of fruit including melon, citrus and papaya. Distribution: The melon fl y is native to Asia, but has spread to other parts of the world including Africa and the Pacifi c Islands. B. Station Tech. The fruit fly is a major agricultural pest infesting crops such as gourds (the host fruits of the melon fly (Bactrocera cucurbitae)) and citrus fruit (the host fruits of the oriental fruit fly (Bactrocera dorsalis)). The adult melon fly is approximately the size of a house fly, about 6 to 8 mm long. Larvae of Fruit Flies. Russell IPM have developed biorational solutions to this pest. In Hawaii, it has caused serious damaged to melon, cucumber and tomato crops. Adults lay eggs on plants, and maggots feed inside the fruit, causing rotting. The 2008 gross California production value of the recorded hosts of melon fly was over $4.5 billion. Lall, B. S. 1975. When temperatures are more comfortable, they feed on nectar, decaying fruit, sap, and bird poop. In Hawaii, it has caused serious damaged to melon, cucumber and tomato crops. The female may lay as many as 1,000 eggs. The fly is active in hot and hibernates as pupae or adults during the cold months. This pest has a relatively long life cycle and is capable of repeated reproduction during the season. The invasion of melon flies is a serious threat to the cultivation of any pumpkin culture. Ent. The anterior spiracles are slightly convex in lateral view, with relatively small tubules averaging 18 to 20 in number. YOU CAN HELP Working together we can keep these pest… San Salvador: Organ. Butternut and Green-Striped Cushaw varieties are practically immune to attack, but Hubbard squash is highly susceptible. Dacus cucurbitae Coq. 1963. Oxon, UK. The developing larvae go through three instars. In Latin it sounds like bactrocera cucurbitae coquillett. Vargas, R. I. and J. R. Carey. Heppner JB. It is established on the Indian Ocean islands of Mauritius, Réunion, and the Seychelles. Anonymous. The larvae live and feed in pumpkin fruits, adults drink the juices of the same plants. They feed on the juices of decaying fruit, nectar, bird feces, and plant sap. J. Econ. This bait insecticide is sprayed on broad leaf plants that serve as refugia for melon flies. Melon Fly Bactrocera cucurbitae be extruded. Ent. They are strong fliers and usually fly in the mornings and afternoons. Completion of the life cycle normally requires one to two months under warm conditions, but may be five to six months under cooler conditions. Melon fly (Dacus cucurbitae (Coq. reducing the melon fly damage (Srinivasan, 1991). It is a serious agricultural pest, particularly in Hawaii. Larval feeding causes the most damage to the fruits of the host plant. A classification of some larvae and puparia of the Tephritidae (Diptera). 1979. 1949. The leafminer adults are small, shiny black and yellow flies with a bright yellow triangular spot on the upper thorax bet… 1953. The most commonly attacked crops are cantaloupe, cucumber, watermelon, melons, squash, and gourds. CAB International. Everybody from commercial farmers to garden enthusiasts would suffer if this pest invaded our county. Identification of fruit fly larvae frequently intercepted at ports of entry of the United States. Bulletin of the California Insect Survey 7: 1-117. Parasitization of melon fly (Diptera: Tephritidae) by Fopius arisanus and Psyttalia fletcheri (Hymenoptera: Braconidae) and the effect of fruit substrates on host preference by parasitoids. Melon Fly, Dacus cucurbitae. The bugs prefer squash, pumpkin, cucumber, and melon, in that order. Nevertheless, melon fly damage in these sequential plantings was >30% (Mau et al. Hawaii Agric. 97-53. Melon Fruit-Fly and Its Control. While feeding, they inject a toxic substance into plants. Bess, H. A., R. van den Bosch and F. H. Haramoto. The adult melon fly is 6 to 8 mm in length. It can be found throughout most of southern Asia, several countries in Africa, some island groups in the Pacific. 9(10): 31-36. Cambridge University Press. Damage. 1989. Heppner, J. Toxicants in baits applied both to refugia of the fruit flies and sprays applied to crops have been used. Chaetodacus cucurbitae The melon fly (Bactrocera cucurbitae) is a fruit fly of the family Tephritidae. The adult oriental fruit fly is somewhat larger than a housefly, about 8 mm in length. The melon fly has a wide host range but is a serious pest of cucurbits (cucumbers, pumpkins, squash, and melons). Memoirs of the American Entomological Society 12: 1-161. Adult flies pierce fruits, such as melons to lay eggs under the skin. Dacus cucurbitae Studies on the Ecology and Control of the Melon Fly Dacus (Strumeta) cucurbitae Coquillett (Diptera: Tephritidae). 69 p. USDA, Survey and Detection Operations, Plant Pest Control Division, Agriculture Research Service. Adults later emerge from these puparia and dig their way out of the soil. 1953. [1], Mature melon fly males are attracted to several attractants e.g. Zool., Natl. 1965), the objective has been to saturate the entire Inst. Ent. 1917. Damage is caused … J. Econ. Florida Department of Agriculture and Consumer Services, Division of Plant Industry Entomology Circular 303: 1-2. Sanidad. Damage a melon, a water-melon, cucumbers, a pumpkin, wild cucumbers. The melon fly in Hawaii. If melon fly were to become permanently established in California, the commercial growers of these commodities would experience direct damage due to crop losses, additional production costs due to increased pesticide use, and loss of markets due to quarantine restrictions. Pupation usually occurs in the soil. Phillips VT. 1946. 1987. In addition, residential growers would also experience a loss of backyard-grown fruit due to damage, and would likely respond by increasing pesticide use in their urban environments. J. Econ. 9. U.S. Department of Agriculture Bulletin 491: 1-64. Eggs are often somewhat longitudinally curved. Decay organisms can enter the fruit, leaving the interior of the fruit a rotten mass and making it unfit for consumption. Strumeta cucurbitae University of Hawaii, Cooperative Extension Service, College of Tropical Agriculture & Human Resources. The larva is a cylindrical-maggot shape, elongated, with the anterior end narrowed a somewhat curved ventrally. This insect pest is considered the most destructive pest of the melons and crops related to … Melon fly (Bactocera cucurbitae) is a fruit fly belonging to the family Tephritidae. Fruit that has been attacked may be unfit to eat. Melon flies are most often found on low, leafy, succulent vegetation near cultivated areas. Damage – Feeding in colonies, adults and nymphs pierce vines with their needle-like mouthparts. Pictorial key to fruit fly larvae of the family Tephritidae. 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