نتایج جستجو برای: لارو larva
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در این بررسی که طی سال های 1388 تا 1389 انجام گرفت، در مجموع هفت گونه و یازده جنس از پنج خانواده جمع آوری شدند که در بین آن ها، چهار جنس برای اولین بار از ایران و چهار گونه برای اولین بار از دنیا گزارش می شوند که به ترتیب با علامت های * و ** مشخص گردیده اند. لازم به ذکر است که بالاخانواده ی برای اولین بار از خاورمیانه گزارش می شود. اسامی گونه ها به ترتیب زیرگروه ها، بالاخانواده ها calyptosto...
مطالعه حاضر به منظور بررسی پتانسیل بیمارگری جدایهی بومی K29 Acrobeloides maximus، از نماتودهای بیمارگر حشرات از استان کرمان، علیه لاروهای کرم خراط Zeuzera pyrina L. (Lepidoptera: Cossidae)، مخربترین آفت درختان گردو در ایران، انجام شد. اهداف اصلی این مطالعه شامل ارزیابی بیمارگری درون تشتک پتری و شاخه، بررسی رابطه بین اندازه بدن میزبان و حساسیت به نماتود و همچنین توانایی تولیدمثل و نفوذ نماتو...
we report a case of human nasal myiasis caused by flower fly larva in a 14-year-old rural girl in central province of iran. entomological studies on larva showed the larva as eristalis tenax which is a rarely cause of nasal myiasis. this is the first reported case of e. tenax larva causing human nasal myiasis in iran.
Cutaneous larva migrans is a self-limited cutaneous eruption caused by larva of roundworms that do not normally parasitize humans. Ankylostoma brazielensis, the dog and cat hookworm, is the most common agent. The disease is found in tropical and subtropical regions and may be seen in travelers from these regions. We report a case of a 37-year-old Iranian man who had cutaneous larva migrans afte...
a 28-year-old male farmer presented with a chief complaint of itching and extreme dis-comfort on the entire maxillary and mandibular gingivae. he was diagnosed with gingival myiasis and scaling was performed on both jaws. however because of the multiple larvae, complete removal with simple curettage and scaling was not feasible, therefore flap sur-gery was performed on the maxilla. one week lat...
A late instar of the Tetragonoderus (Crossonychus) variegatus Dejean, 1829 larva is described for the first time, and is compared with its first instar, with the larva of another Tetragonoderus species, and with the larva of one Cyclicus species. Habitus and important structures of the larva are illustrated, as well the adult's membranous wings. Some aspects of the natural history of the larva ...
We report that a stage-specific developmental program, dauer larva formation, is temporally regulated by four heterochronic genes, lin-4, lin-14, lin-28, and lin-29. The effects of mutations in these four genes on dauer larva formation have revealed that they regulate two different processes of dauer larva formation: (1) a decision specifying the larval stage at which dauer larva development in...
In this observation a total of 140 schistosomula of schistosoma mansoni and 36 schistosomula of schistosoma haematobium which were obtained from 36 Laboratory albino mice,each infected with 1000 cercaria were studied.The animals were sacrificed in a certain intervals and the schistosomula from the skin, lung and liver were collected by special technique. The result of this study showed that t...
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