ウリミバエ成虫の外部および内部形態に対するガンマー線照射の影響

概要

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The external and internal morphological characters of the adult melon fly, Dacus cucurbitae COQUILETT, were examined after irradiation of the pupae with gamma rays at a dose of about 7kR. In the irradiated flies, the melanization process in the head and abdomen was weakened and the yellow spots on the thorax became pale. These changes were more prominent in the flies irradiated at a younger pupal age. The testicular and ovarian development was almost interrupted while that of the spermatheca was delayed in irradiated flies. However, there was no change in the development of the accessory gland in irradiated females. When dead and dried flies were dipped in hot water for several minutes, the testes of irradiated males could be morphologically differentiated from those of non-irradiated ones. These differences between characteristics of irradiated and non-irradiated flies will be useful for differentiating the irradiated and released melon flies from the wild ones in the field.
日本応用動物昆虫学会の論文
1981-08-25