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51.
Marina CF Bond JG Casas M Muñoz J Orozco A Valle J Williams T 《Pest management science》2011,67(1):114-121
BACKGROUND: Field trials were conducted during the wet and dry seasons in periurban and semi‐rural cemeteries in southern Mexico to determine the efficacy of a suspension concentrate formulation of spinosad (Tracer 480SC) on the inhibition of development of Aedes albopictus L. and Ae. aegypti Skuse. For this, oviposition traps were treated with spinosad (1 or 5 mg L?1), Bacillus thuringiensis israelensis (Bti, VectoBac 12AS), a sustained release formulation of temephos and a water control. RESULTS: Ae. albopictus was subordinate to Ae. aegypti during the dry season, but became dominant or codominant during the wet season at both sites. The two species could not be differentiated in field counts on oviposition traps. Mean numbers of larvae + pupae of Aedes spp. in Bti‐treated containers were similar to the control at both sites during both seasons. The duration of complete absence of aquatic stages varied from 5 to 13 weeks for the spinosad treatments and from 6 to 9 weeks for the temephos treatment, depending on site, season and product concentration. Predatory Toxorhynchites theobaldi Dyar and Knab suffered low mortality in control and Bti treatments, but high mortality in spinosad and temephos treatments. Egg counts and percentage of egg hatch of Aedes spp. increased significantly between the dry and wet seasons, but significant treatment differences were not detected. CONCLUSION: Temephos granules and a suspension concentrate formulation of spinosad were both highly effective larvicides against Ae. aegypti and Ae. albopictus. These compounds merit detailed evaluation for inclusion in integrated control programs targeted at Ae. aegypti and Ae. albopictus in regions where they represent important vectors of human diseases. Copyright © 2010 Society of Chemical Industry 相似文献
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56种植物甲醇提取物对白蚊伊蚊的生物活性 总被引：2，自引：0，他引：2
在室内研究了56种植物甲醇提取物对白蚊伊蚊幼虫的生物活性。结果表明,在供试的56种植物中以莽草的生物活性最强,药后24h白蚊伊蚊死亡率达100%;其次为菖蒲,药后48h白蚊伊蚊死亡率为100%;再次为爵床和雷公藤,药后96h白蚊伊蚊死亡率均为100%;其它依次为日本冷杉、清风藤、土荆芥、常春藤、曼陀罗、鸢尾,药后96h白蚊伊蚊死亡率均在82%以上。药后96h白蚊伊蚊死亡率在50%以上的植物还有灯台莲、玉簪、交让木、万年青、金钱吊乌龟、豹皮樟等6种,对白蚊伊蚊无生物活性的植物有绣球花等26种。 相似文献
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为筛选环保型植物源灭蚊剂,从福建柏Fokienia hodginsii叶中提取精油,采用浸液法测试了该精油对白纹伊蚊Aedes albopictus和致倦库蚊Culex pipiens quinquefasciatus IV龄幼虫和蛹的毒杀作用,采用密闭圆筒法研究了该精油对2种蚊虫成蚊的熏蒸活性,并用气相色谱-质谱联用法对其化学成分进行了检测。结果表明:福建柏精油对白纹伊蚊IV龄幼虫和蛹的LC50值分别为53.21和144.34μg/mL,对致倦库蚊分别为55.85和147.68μg/mL;在4.36μg/cm3熏蒸剂量下,该精油对白纹伊蚊和致倦库蚊成蚊的KT50值分别为14.63和14.90 min,24 h校正死亡率均为90.00%。从福建柏精油中共检测出16种主要化学成分:其中相对含量最高的为α-蒎烯(α-pinene),为29.25%;其次是马鞭烯醇(bicyclo[2.2.1]hept-3-en-2-ol)10.88%和氧化石竹烯(caryophyllene oxide)9.64%等。研究结果表明,福建柏精油对2种供试蚊虫具有显著的杀虫活性。 相似文献
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Assessing the effect of selection with deltamethrin on biological parameters and detoxifying enzymes in Aedes aegypti (L.) 
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下载免费PDF全文 60.
Quantitative structure–activity relationship (QSAR) analysis of plant‐derived compounds with larvicidal activity against Zika Aedes aegypti (Diptera: Culicidae) vector using freely available descriptors 下载免费PDF全文
下载免费PDF全文 Laura M Saavedra Gustavo P Romanelli Pablo R Duchowicz 《Pest management science》2018,74(7):1608-1615