Larval and adult surveillance of mosquitoes (Diptera: Culicidae) in Pabna, Bangladesh

Research in Agriculture Livestock and Fisheries Pub Date : 2023-09-18 DOI:10.3329/ralf.v10i2.68783

None Md Humayun Kabir, None Aparajita Kabiraz, None Md Abdul Alim, None Thahsin Farjana

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Abstract

An entomological study was conducted at Ishwardi Upazila of Pabna district to identify the species and breeding sites of mosquitoes. Adult mosquitoes were collected using collecting net, human bait, light trap and larvae were collected by ladle spoon, mug, dipper, and pipette from rail junction, bazar, house, cattle shed, rice field, sugarcane field, rice mill, paper mill, drains etc. A total of 2647 mosquito samples including 1426 larvae and 1221 adult mosquitoes were collected from these places. Seven species of larva and eight species of adult mosquitoes under two genera were identified. The recorded genera for both larvae and adults were Culex (Cx.) and Anopheles (An.). The collected species for larvae were Cx. quinquefasciatus, Cx. epidesmus, Cx.tritaeniorhynchus, Cx. mimulus, Cx. sinensis, An. vagus and An. minimus. The collected species for adults were Cx. epidesmus, Cx. quinquefasciatus, Cx.tritaeniorhynchus, Cx. mimulus, Cx. sinensis, Cx. pallidothorax, An. vagus and An. minimus. Among the collected larva, Culex was found most prevalent (85.7%) than Anopheles (14.3%). Same as larva, adult Culex mosquitoes was found most prevalent (84.4%) than Anopheles (15.6%). Cx. quinquefasciatus (33.5%) found highest among the larval prevalence, in contrast, Cx. epidesmus (36.2%) was dominant among adults. On the other hand, An. vagus was the most dominant species in both larval and adult surveillance (8.1% and 9.9%, respectively). Both the larva and adult Culex mosquitoes were found more prevalent in households (20.3% and 41.2%, respectively), whereas density of Anopheles larva was found highest in rice fields (20.6%) and those of adults were concentrated in households (39.5%). The result of this study will help us to develop a sustainable control measures for the mosquitoes and mosquito-borne diseases in the study areas as well as other areas of the country. Res. Agric. Livest. Fish. Vol. 10, No. 2, August 2023: 199-206

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孟加拉国帕布纳地区蚊幼虫和成蚊(双翅目:库蚊科)监测

在帕布纳县的Ishwardi Upazila进行了昆虫学研究，以确定蚊子的种类和繁殖地点。在铁路枢纽、集市、民房、牛棚、稻田、甘蔗田、碾米厂、造纸厂、排水沟等地采用网捕、人饵捕、诱蚊灯诱等方法捕获成蚊，用勺、马克杯、勺、移液器等方法捕获幼虫。共采集蚊虫2647只，其中幼虫1426只，成蚊1221只。鉴定出2属幼虫7种，成蚊8种。幼虫属和成虫属均为库蚊属和按蚊属。采集到的幼虫种类为Cx;quinquefasciatus,残雪。epidesmus,残雪。tritaeniorhynchus,残雪。mimulus,残雪。制成的。迷走神经和安。最年轻的。成虫收集种为Cx;epidesmus,残雪。quinquefasciatus,残雪。tritaeniorhynchus,残雪。mimulus,残雪。sinensis,残雪。pallidothorax,。迷走神经和安。最年轻的。其中，库蚊占85.7%，按蚊占14.3%;与幼虫一样，库蚊成蚊占84.4%，按蚊占15.6%。残雪。幼虫患病率最高的为致倦库蚊(33.5%);成人以地蚤为主，占36.2%。另一方面，安。迷走蝇在幼虫和成虫监测中均为优势种，分别占8.1%和9.9%。库蚊幼虫和成蚊均以家庭孳生为主(分别为20.3%和41.2%)，按蚊幼虫密度以稻田最高(20.6%)，成蚊密度以家庭为主(39.5%)。这项研究的结果将有助于我们在研究区以及全国其他地区制定可持续的蚊子和蚊媒疾病控制措施。阿格利司》。力所能及的。鱼。第10卷第2期，2023年8月:199-206

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Research in Agriculture Livestock and Fisheries

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6 weeks