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- 저자 : Idris Abd Ghani (검색결과 2 건)
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Diurnal patterns of abundance of aphidophagous lady beetle species on chili (Capsicum annuum L.)
Touhidur Rahman,Idris Bin Abd Ghani,Mohamad Roff Mohd Noor 한국응용곤충학회 2011 Journal of Asia-Pacific Entomology Vol.14 No.3
The influence of temperature on the diurnal activity of five species of aphidophagous lady beetles (Coleoptera:Coccinellidae) was investigated between 0700 and 1900 h in chili (Capsicum annuum L.) agroecosystems and neighboring vegetation (goose grass, Eleusine indica L.). The lady beetle species observed were Menochilus sexmaculatus Fabricius, Coelophora inaequalis F., Coccinella transversalis F., Harmonia octomaculata F. and Coelophora bissellata Mulsant. More lady beetles (of all species) were found during cooler periods (at 0700,0900, 1100, and 1900 h). The diurnal pattern of lady beetle adult was temperature dependent. On chili plants,numbers were higher at temperatures between 22 to 30 °C (at 0700, 0900, 1100 and 1900 h) and numbers decreased when temperatures were above 30 °C. When temperature was above 30 °C under the chili plant canopy, numbers were higher in neighboring goose grass, where temperatures were cooler (b30 °C). Numbers of all species were negative correlated between chili plant and goose grass.
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Hamady Dieng,Ooi Seow Hui,Ahmad Abu Hassan,Fatimah Abang,Idris Abd Ghani,Tomomitsu Satho,Fumio Miake,Hamdan Ahmad,Yuki Fukumitsu,Wan Fatma Zuharah,Abdul Hafiz Ab Majid,Nur Faeza Abu Kassim,Nur Aida Ha 한국응용곤충학회 2015 Journal of Asia-Pacific Entomology Vol.18 No.3
Themagnitude of dengue transmission depends largely on the level of human–vector contact. Therefore, knowledge regarding the biting periodicity ofmosquitoes is crucial to determine transmission periods' risk, and in planning personal protection measures. Dengue vectors are day-active and endure transitory periods of starvation overnight. However, it is unclear howtheir blood feeding activity pattern is related to body sizewhen temporarily deprived of their main source of energy — sugar. We examined the changes in Aedes albopictus diurnal biting activity, taking into account larval nutritional history and adult starvation. Overall, large body size and nonstarvation conditions were associated with better blood feeding success, but these parameters did not significantly modify the timing of first blood feeding attempt. Females of both sizes showed significant temporal variations in their blood feeding activities. Under conditions of starvation, blood meal uptake was much greater in large females from morning to evening. Similar variations of feeding activity were observed in small females, except in the morning. Under non-starvation conditions, the blood feeding activity of small mosquitoes tended to decrease over time, whereas blood meal uptake activity was high and remained almost constant from morning to evening for larger mosquitoes. Thiswork emphasizes the importance of body size and hunger on the dynamics of vector–host interaction and has important implications for the development of novel strategies for the prevention of disease transmission. Knowingwhen dengue vectors actively bite during the day can help in timing effective personal protective measures.
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