印度泰米尔纳德邦Cuddalore地区日本脑炎媒介丰度和感染频率:一项为期五年的纵向研究

Q3 Agricultural and Biological Sciences

Journal of Entomological and Acarological Research Pub Date : 2016-12-19 DOI:10.4081/JEAR.2016.5630

P. Samuel, D. Ramesh, V. Thenmozhi, J. Nagaraj, M. Muniaraj, N. Arunachalam

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引用次数: 3

摘要

对泰米尔纳德邦Cuddalore地区的日本脑炎病媒进行了昆虫学监测，每两周一次，每次黄昏后1小时，持续5年，以便在3个村庄纵向查明乙脑病毒的丰度和活动性。蚊媒31种95,644只，以vishnui库蚊亚群为主，gelidus库蚊占98.5%。发现乙脑病毒来自Cx。三带喙(18)，Cx。vishnui(1)和Cx。沙棘(6)感染率分别为0.482、0.608和0.221。Cx的丰度三带喙龙和Cx。不同地区、季节、年份间差异显著(P<0.05)。不同季节、年份间vishuni差异有统计学意义(P<0.05)。所有季节均未观察到传播，在湿热季节感染率最高，为0.46(置信区间:0.17-1.02)。三带喙库蚊占主导地位，与早期研究相比，在这一时期，吉力库蚊的数量稳步增加，与主要媒介Cx一起作为次要媒介。tritaeniorhynchus。

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Japanese Encephalitis vector abundance and infection frequency in Cuddalore District, Tamil Nadu, India: a five-year longitudinal study

An entomological monitoring of Japanese encephalitis vectors from the Cuddalore district, Tamil Nadu was undertaken at biweekly intervals for 1 hr after dusk for five years to find out the abundance and JE virus activity longitudinally in three villages. A total of 95,644 vectors belonging to 31 species constituted predominantly by Culex vishnui subgroup and Culex gelidus 98.5%. JE virus was identified from Cx. tritaeniorhynchus (18), Cx. vishnui (1) and Cx. gelidus (6) giving infection rate of 0.482, 0.608 and 0.221 respectively. Abundance of Cx. tritaeniorhynchus and Cx. gelidus differed significantly by area, season and year (P<0.05) whereas Cx. vishuni differed significantly by season and year (P<0.05). Transmission was not observed throughout all the seasons and the infection rate was recorded maximum during Hot-Wet season 0.46 (confidence interval: 0.17-1.02). Culex tritaeniorhynchus dominated the catch and the Culex gelidus steadily increased in its abundance during this period compared to the earlier studies conducted from these areas which acts as a secondary vector along with the major vector, Cx. tritaeniorhynchus.

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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.