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Dacus longistylus Wiedeman Tephritidae: Diptera)) | ||
| Kufa Journal for Agricultural Science | ||
| Article 1, Volume 2, Issue 1, 2010, Pages 14-27 | ||
| Abstract | ||
| The Ecological performance of big cucumber fly Dacus longistylus Wiedeman ,it,s specie that record for first time in Iraq, because it,s great losing on some of Cucurbitacae plants, the plant were melon Cucumis melo , Var, Reticulatus Naud , cucumber Cucumis sativus, L. and squash gourd Cucumis melo , Var. Flexuoses Naud in autumn season in year 2006 and spring season in year 2007 in different locations the first infestation in gourd field at Al-Dair region in happened ,In the middle of September in autumn season, while the first infestation happened in melon field at Shatt-Alarab region in June in spring season. Adult of insect appeared in the beginning of October in (autumn season Temperature is 31ْ C and Humidity 25-30%) and Its density increased in the middle of November(Temperatureis 26 C and Humidity 42%), they disappeared in the beginning of December (Temperature is 15 C and Humidity 45%). Whereas, in the spring season, infestation appeared in June (Temperature is 36ْ C and Humidity 20%) and disappeared in July (Temperature is 34ْ C and Humidity 19%) and found also that the highest density of larvae (11.58 larva/10 fruits) in gourd in autumn season, While the highest density (1.72 larva/10 fruits) in melon in spring season. | ||
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