PREPARATORY STAGES OF EPILACHNA BOREALIS, Fab.
نویسندگان
چکیده
منابع مشابه
Control of Epilachna Vigintioctopuntata Fab. (coleoptera: Coccinellidae) Using Some Indigenous Plant Extracts
Epilachna vigintioctopunctata is an important pest that causes considerable economic losses to many crops including egg-plants. The crude aqueous extracts of leaves from three indigenous plants namely Ricinus communis, Calotropis procera and Datura metel were used against this beetle aiming at its control under laboratory conditions. Larvicidal bioassays of the extracts showed the following ord...
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An experiment was carried out to study the effect of temperature on biology, oviposition and feeding behaviour as well as host preference of Epilachna beetle, Epilachna dodecastigma (Wied.) on eight varieties of brinjal, Solanum melongena Linn. from November, 2009 to June, 2010 maintaining controlled temperatures of 15oC, 25oC and 30oC using an incubator in the Department of Entomology, BAU, My...
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The efficacy of neem oil on the mortality, growth and feeding responses of epilachna beetle showed that all the larval instars were susceptible to this oil. The LC50 values were higher at 3 instar and it was lowest on 1 instar. The LT50 values of oil increases proportionately with increasing larval age and with decreasing oil concentration. Neem oil significantly prolonged larval and pupal peri...
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In the recent past a number of concepts have achieved prominence in the quest for basic principles of informatics with long-term validity. Particularly at schools providing an all-round education, it makes sense – and is necessary – to concentrate on basic concepts. The fact is that strictly product-related knowledge is inadequate, and in some cases already obsolete before pupils leave school. ...
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ژورنال
عنوان ژورنال: The Canadian Entomologist
سال: 1883
ISSN: 0008-347X,1918-3240
DOI: 10.4039/ent15189-10