How to repel a killer; chemical identification and effective repellent activity of commercial essential oils against kissing bugs

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Medical and Veterinary Entomology Pub Date : 2023-11-25 DOI:10.1111/mve.12702
Azhary Rito-Rueda, Juan Eduardo Flores-Jiménez, Ana Erika Gutiérrez-Cabrera, Samuel Cruz-Esteban, Alex Córdoba-Aguilar, Leopoldo Cruz-López, David Alavez-Rosas
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Abstract

Triatomines are haematophagous insects, some species are vectors of Trypanosoma cruzi, the aetiological agent of Chagas disease. The main strategy for interrupting T. cruzi transmission is to avoid contact of the vector populations with humans. Volatiles from commercial essential oils are excellent candidates to serve as repellents of kissing bugs. We used an exposure device to assess the repellence effect of eight commercial essential oils on Triatoma pallidipennis. The most effective oils were blended and evaluated against T. infestans, T. pallidipennis and Rhodnius prolixus. The blend was also evaluated on parasitised T. pallidipennis. Data were compared with the commercial repellent NN-diethyl-3-methylbenzamide. We recorded the time the insects spent in the proximity of the host and determined if any of the evaluated oils served as kissing bug repellent. We found commercial essential oils and a blend that significantly reduced the time spent in the proximity of the host. The blend was effective for use by human males and females, repelling infected and non-infected insects. The study of essential oils as repellents of blood-sucking disease-vector insects could shed light on the development of new control strategies.

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如何击退杀手;商品精油对吻虫的化学鉴定及有效驱避活性。
锥蝽属食血昆虫,部分种是恰加斯病病原克氏锥虫的病媒。阻断克氏锥虫传播的主要策略是避免媒介种群与人类接触。商业精油中的挥发物是驱蚊剂的绝佳选择。我们用暴露装置评估了8种商业精油对白斑三角瘤的驱避效果。将最有效的精油进行混合,并评价其对感染T. infestens、T. pallidipennis和Rhodnius prolixus的抑制作用。并对该混合物对被寄生的白斑蝶进行了评价。将数据与市售驱蚊剂nn -二乙基-3-甲基苄胺进行比较。我们记录了昆虫在宿主附近度过的时间,并确定是否有任何被评估的油作为接吻驱虫剂。我们发现了商业精油和混合物,可以显着减少在宿主附近花费的时间。该混合物对男性和女性都有效,可驱除受感染和未受感染的昆虫。研究精油对吸血病媒昆虫的驱避作用,有助于制定新的防治策略。
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来源期刊
Medical and Veterinary Entomology
Medical and Veterinary Entomology 农林科学-昆虫学
CiteScore
3.70
自引率
5.30%
发文量
65
审稿时长
12-24 weeks
期刊介绍: Medical and Veterinary Entomology is the leading periodical in its field. The Journal covers the biology and control of insects, ticks, mites and other arthropods of medical and veterinary importance. The main strengths of the Journal lie in the fields of: -epidemiology and transmission of vector-borne pathogens changes in vector distribution that have impact on the pathogen transmission- arthropod behaviour and ecology- novel, field evaluated, approaches to biological and chemical control methods- host arthropod interactions. Please note that we do not consider submissions in forensic entomology.
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