Quantitative measurement of leaf area consumption by Epilachna vigintioctopunctata (Fabricius) (Coleoptera : Coccinellidae) using image processing
نویسندگان
چکیده
منابع مشابه
Antifeedant and insecticidal activities of selected plant extracts against Epilachna beetle, Henosepilachna vigintioctopunctata (Coleoptera: Coccinellidae)
Six different indigenous plants were screened for antifeedant and insecticidal activity against fourth instar larvae of Epilachna beetle, Henosepilachna vigintioctopunctata, which is a severe pest on brinjal. Among the plants screened, Achyranthes aspera showed higher activity against the selected pest. Ethyl acetate extracts of A. aspera showed higher antifeedant index and insecticidal activit...
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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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ژورنال
عنوان ژورنال: Applied Entomology and Zoology
سال: 1998
ISSN: 0003-6862,1347-605X
DOI: 10.1303/aez.33.491