نتایج جستجو برای: ladybird hippodamia variegata goeze coleoptera coccinellidae has been reported from many parts of iran
تعداد نتایج: 21685463 فیلتر نتایج به سال:
During the past four decades, several species of aphidophagous Coccinellidae became established in North America, including Coccinella septempunctata, Harmonia axyridis, Hippodamia variegata, and Propylea quatuordecimpunctata. After their establishment, unknown circumstances favoured a rapid increase in population densities and distribution of H. axyridis and C. septempunctata at localities hun...
Aphids cause considerable damage to numerous crops all over the world and insecticides are main means of controlling them, despite their detrimental impacts on human environmental health. This study assessed effectiveness parasitoid Aphidius colemani Viereck (Hymenoptera: Braconidae), a mixture predatory ladybird beetles, Hippodamia variegata Goeze, Chilocorus calvus Chiccl, Cheilomenes propinq...
abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...
1. Environmental cues associated with prey are known to increase predator foraging efficiency. Ladybird larvae are major predators of aphids. The sugary excretion of aphids (honeydew) has been proposed to serve as a prey-associated cue for ladybird larvae. 2. Ladybird larvae are regularly found on the ground moving between plants or after falling off plants. The use of prey-associated cues woul...
In this study, the orientation of two different predator species [(Coccinella septempunctata L., Hippodamia variegata (Goeze) (Coleoptera: Coccinellidae)) to aphids [Aphis fabae Scopoli and Acyrthosiphon pisum Harris (Hemiptera: Aphididae)] was investigated. Y-type olfactometer which made glass material with one entrance exit openings used in study. Different applications were applied ends pred...
the ladybird beetle, hippodamia variegata (goeze) (coleoptera: coccinellidae) is one of the most important natural enemies of the common pistachio psylla, agonoscena pistaciae burckhardt and lauterer (hemiptera: psyllidae). the effects of hexaflumuron and spirodiclofen were investigated on development and carbohydrates and total lipid contents of 4th instar larvae of h. variegata. the insectici...
شرایط اکولوژیک مثل دسترسی به غذای کافی و مناسب از عواملی است که می‌تواند روی رفتار جانوران تاثیرگذار باشد. حشرات مختلفی در زمان گرسنگی سعی می‌کنند تا رفتارهای آمیزشی طول مدت آمیزش را کاهش دهند. هدف این مطالعه، بررسی اثر بر عملکرد کفشدوزک Hippodamia variegata بود. آزمایش، نرها ماده‌های ۱۰ ۱۵ روزه باکره استفاده شد. هر تکرار، یک نر ماده ۳ ساعت (از ۱۲ الی ۱۵) برای کنار هم قرار داده شدند زمان تاخیر...
the present study has tried to accomplish an analysis of margaret atwood’s novels oryx and crake, and the year of the flood in the light of posthuman and cyborg theories. considering posthumanism as a critical reading of some notions of humanism focus of which in this thesis has been identity, new definitions for humanity and human identity are formed. haraway’s cyborg, as one possible new figu...
different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید