Knock down and insecticidal activity of the plants Tagetes minuta, Lippia javanica, Lantana camara, Tagetes erecta and Eucalyptus grandis on Anopheles arabiensis mosquitoes

Q3 Agricultural and Biological Sciences

Journal of Entomological and Acarological Research Pub Date : 2018-12-12 DOI:10.4081/JEAR.2018.7241

Nzira Lukwa, T. Mduluza, C. Nyoni, A. T. Lukwa, M. Zimba

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引用次数: 3

Abstract

The knock down and insecticidal effects of the plants Tagetes minuta, Lippia javanica, Lantana camara, Tagetes erecta and Eucalyptus grandis were evaluated against Anopheles arabiensis mosquitoes in thatched round huts in Mumurwi village. Leaves from these plants were smouldered in order to provide mosquito repellent smoke. Complete knock down was provided 40 minutes after mosquitoes were exposed to smoke of T. erecta, 60 minutes to smoke of T. minuta and E. grandis and 120 minutes to smoke of L. javanica. Complete knock down of mosquitoes could not be provided by L. camara within the 140-minute exposure period. The KT50 (time required to knock down 50% of the mosquitoes) values were 24.985 minutes (T. minuta), 34.473 minutes (T. erecta), 59.119 minutes (L. javanica), 59.828 minutes (L. camara) and 25.245 minutes (E. grandis). The KT90 (time required to knock down 90% of the mosquitoes) values were 48.060 minutes (T. minuta), 50.169 minutes (T. erecta), 178.341 minutes (L. javanica), 140.220 minutes (L. camara) and 47.998 minutes (E. grandis). Mortality rates 24h after exposure were 40% (T. minuta), 100% (T. erecta), 75% (L. javanica), 90% (L. camara) and 100% (E. grandis). In conclusion, smoke from the plants T. erecta, T. minuta and E. grandis had very fast knock down rates with T. erecta, L. camara and E. grandis killing over 90% of the An. arabiensis mosquitoes. Plant smoke is important in mosquito control.

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万寿菊、紫皮菊、大桉、立万寿菊和大桉对阿拉伯按蚊的击倒和杀虫活性研究

在Mumurwi村的茅草屋中，评价了万寿菊、紫皮菊、大桉、立万寿菊等植物对阿拉伯按蚊的击倒和杀虫效果。这些植物的叶子被闷烧以产生驱蚊的烟雾。结果表明，暴露于直纹伊蚊烟雾后40分钟，暴露于细纹伊蚊和大纹伊蚊烟雾后60分钟，暴露于爪哇伊蚊烟雾后120分钟完全击倒。卡玛拉菌在140分钟的暴露时间内不能完全杀灭蚊虫。KT50(杀灭50%蚊虫所需时间)值分别为:分钟蚊24.985 min、直立蚊34.473 min、javanica蚊59.119 min、大蚊59.828 min和大蚊25.245 min;KT90(杀灭90%蚊虫所需时间)值分别为:长毛蠓48.060 min、竖毛蠓50.169 min、javanica 178.341 min、大毛蠓140.220 min和大毛蠓47.998 min;暴露后24h死亡率分别为:min t = 40%、erecta = 100%、javanica = 75%、camara = 90%、grandis = 100%。综上所述，直立T.，分钟T.和大E.的烟雾杀灭率非常快，其中直立T.， camara L.和大E.杀灭率超过90%。arabiensis蚊子。植物烟雾对控制蚊子很重要。

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来源期刊

Journal of Entomological and Acarological Research Agricultural and Biological Sciences-Insect Science

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： The Journal of Entomological and Acarological Research (JEAR), formerly the Bollettino di Zoologia Agraria e di Bachicoltura of the Institute of Entomology of the Università degli Studi, Milano, was founded in 1928 by Remo Grandori. Thereafter, Minos Martelli and Luciano Süss hold the direction of the Journal until December 2011. In January 2012 the Editor decided for the new open-access on-line version of JEAR. The Journal publishes original research papers concerning Arthopods, but reviews, editorials, technical reports, brief notes, conference proceeding, letters to the Editor, book reviews are also welcome. JEAR has four main areas of interest: -Entomology (systematics; morphology; biology; biotechnology; agriculture, ornamental and forest entomology; applied entomology; integrated pest management; biological control; apiculture and apidology; medical, urban and veterinary entomology; etc.) -Stored product pests (biology; integrated pest management; etc.) -Insect Ecology (behaviour; biodiversity; taxonomy; plant insect interaction and ecosystems; biological control; alien species; etc.) -Acarology (systematics; morphology; biology; parasitology; control; etc.) The publication of manuscripts is subject to the approval of the Section Editor who has knowledge of the field discussed in the manuscript in accordance with the principles of Peer Review; referees will be selected from the Editorial Board or among qualified scientists of the international scientific community. Articles must be written in English and must adhere to the guidelines and details contained in the Instructions to Authors.