نتایج جستجو برای: microdontromerus annulatus
تعداد نتایج: 250 فیلتر نتایج به سال:
A new stunt nematode, from soil around the roots of coconut (Cocos nucifera L.) and rice (Oryza sativa L.) from Karachi, Pakistan, is described and illustrated as Tylenchorhynchus qasimii n. sp. This new species is characterized by having females with 3-4 head annules, anteriorly directed stylet knobs, absence of post anal extension, presence of rounded sperm filled spermatheca and conoid to bl...
مگس گلرنگ، acanthiophilus helianthi یکی از آفات مهم گلرنگ در ایران می باشد. استفاده از پارازیتوئیدها به عنوان یکی از روش های مدیریت تلفیقی آفات همیشه مورد توجه بوده است. به منظور بررسی میزان و نوسانات پارازیتیسم مگس گلرنگ توسط پارازیتوئیدها در سال 1391 هفت رقم گلرنگ شامل گلدشت، پدیده، زرقان، ورامین، pi، acataria، mec163 در مزرعه ی تحقیقاتی دانشگاه شاهد (جنوب تهران) در قالب طرح بلوک های کامل تصا...
Since the transition from terrestrial to marine environments poses strong osmoregulatory and energetic challenges, temporal and spatial fluctuations in oceanic salinity might influence salt and water balance (and hence, body condition) in marine tetrapods. We assessed the effects of salinity on three species of sea snakes studied by mark-recapture in coral-reef habitats in the Neo-Caledonian La...
The present investigation is related to the frequency of infection and to the gross and microscopic lesions associated to the presence of trichurid worms in 50 ring-necked pheasants (Phasianus colchicus) from backyard flocks in the state of Rio de Janeiro, Brazil. In the investigated birds, the overall infection rate was of 74%, with the presence of Eucoleus perforans with 72% of prevalence and...
بیماری های انگلی یک مشکل جهانی بوده و به عنوان یک مانع بر سر راه سلامتی جوامع انسانی و تولیدات دامی محسوب می شوند. این بیماری ها می تواند ناشی از انگل های داخلی یا خارجی باشد. در میان انواع انگل های خارجی می توان از کنه ها به عنوان یکی از مهم ترین آنها در جهان نام برد که علاوه بر آسیب های مستقیمی که به میزبان هایشان تحمیل می نمایند، می توانند انواع مختلفی از اجرام بیماری زای خطرناک را نیز به آن...
rhipicephalus annulatus (acari: ixodidae) control by nigella sativa, thyme and spinosad preparations
background: several compounds obtained from plants have potential insecticidal, growth deterrent or repellent characteristics. the control of hard ticks by non-chemical substances was targeted in this study. methods: the effect of 36 materials on in-vitro ticks was studied, including 2 absolute controls (water only or absolute ethyl alcohol only), 6 conventionally used spinosad preparations (a...
Recent collections of bird's nest fungi (i.e. Crucibulum, Cyathus, Mycocalia, Nidula, and Nidularia species) in northern Thailand resulted in the discovery of a new species of Cyathus, herein described as C. subglobisporus. This species is distinct by a combination of ivory-coloured fruiting bodies covered with shaggy hairs, plications on the inner surface of the peridium and subglobose basidio...
Up to date 2 species of Mallophaga have been reported from birds in Iran. Further studies in Tehran area showed that the wild birds harbour more lice. The following species of Mallophage are reported for the first time from birds in Iran. Anaticola crassicornis from Anas clypeata, Laemobothrion maximum from Falco tinnunculus Laemobothrion sp. from Aquila chrysaetos Alcedoecus annulatus from Alc...
overall 1906 adult ticks, as well as their nymphs and larvae were collected from the body surface of cattle in the animal husbandries located in north, north-east, south and south-west of ahwaz area, khoozestan, iran, during 1991-1993. the identified adult ticks were hyalomma anatolicum anatolicum (c.l.koch, 1844), hyalomma anatolicum excavatum (c.l. koch, 1844), boophilus annulatus (say, 1821)...
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