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  • Title: Effect of gamma radiation on the biology of the flesh fly, Parasarcophaga argyrostoma. I. Following larval exposure.
    Author: Abou Elela RG, Zohdy N, Roushdy HM, Aboul-Nasr AE, el-Gindy AM.
    Journal: J Egypt Soc Parasitol; 1989 Dec; 19(2):717-24. PubMed ID: 2768871.
    Abstract:
    One and seven days old larvae of the flesh fly, Parasarcophaga argyrostoma were exposed to doses ranging from 1-90 Gy. Lower doses ranging from 1-9 Gy applied to young larvae accelerate larval development whereas old larvae responded to doses from 10-90 Gy by a remarkable retardation of the larval and pupal development. Reduction in percentage pupation and adult emergence were noticed with increment in the radiation doses applied. This reduction was higher for irradiated seven days old larvae than the one day old larvae at all doses applied, indicating that young larvae were more susceptible to gamma radiation than the older one. At higher doses (30-70 Gy) the pupae could not continue their development and died within 17 days after pupation. The longevity of adults resulted from irradiated larvae was decreased by increasing the radiation dosage and it was found that adults emerging from irradiated young larvae lived shorter than those from irradiated young ones, the fecundity of adults resulted from irradiated larvae was also decreased by gamma irradiation exposures. The percentage reduction of larviposition was 100% for irradiated females with 8 Gy while that of irradiated males was 97.5% indicating that females were more sensitive to radiation than males.
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