Original article. Biting behavior of Malaysian mosquitoes, Aedes albopictus Skuse, Armigeres kesseli Ramalingam, Culex quinquefasciatus Say, and Culex vishnui Theobald obtained from urban residential areas in Kuala Lumpur

Chen, Chee Dhang; Lee, Hanlim; Lau, Koon Weng; Abdullah, Abdul Ghani Kanesan; Tan, S. B.; Ibrahim, S.; Norma‐Rashid, Y.; Oh, Pei Fen; Chan, C.K.; Sofian‐Azirun, Mohd

doi:10.5372/1905-7415.0803.295

Cited by 30 publications

(28 citation statements)

References 11 publications

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“…However, the result also shows a distinct number of Ae. albopictus collected from 7:30 to 8:30 a.m. and throughout morning hours, supporting previous studies that found their biting behavior peaked during dawn and dusk in a 24-h cycle [ 10 , 22 ]. It is generally considered that Ae.…”

Section: Discussionsupporting

confidence: 87%

“…Due to the nocturnal behavior of mosquitoes, most research on biting activity has been conducted between sunset and sunrise. However, a study conducted by Chen et al [ 10 ] on the biting activity of Ae. albopictus in urban areas reported the highest biting peak as occurring between 6:00 and 9:00 a.m. and between 3:00 and 8:00 p.m. Mangrove forests represent an important refuge habitat for adult mosquitoes due to high humidity and shaded canopy [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

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Day Biting Habits of Mosquitoes Associated with Mangrove Forests in Kedah, Malaysia

et al. 2018

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Due to conservation and rehabilitation efforts, mangrove forests represent some of the largest environmental niches in Malaysia. However, there is little information on the potential risks posed by mosquitoes that are directly and indirectly associated with mangrove forests. To study the potential health risk to humans active within and in close vicinity of mangrove forests, this research focused on the day biting habits of mosquitoes in mangrove forests of Kedah, Malaysia. The bare leg catch (BLC) method was used to collect adult mosquitoes during a 12-h period from 7:30 a.m. to 7:30 p.m. in both disturbed and less disturbed areas of mangroves. In total, 795 adult mosquitoes from 5 genera and 8 species were collected, and over 65% of the total mosquitoes were collected from the less disturbed area. The predominant species from the less disturbed area was Verrallina butleri; in the disturbed area the dominant species was Culex sitiens. The peak biting hour differed for each species, with Aedes albopictus and Cx. sitiens recorded as having a bimodal biting activity peak during dawn and dusk. For Ve. butleri an erratic pattern of biting activity was recorded in the less disturbed area but it peaked during the early daytime for both collection points. Overall, the distinct pattern of day biting habits of mosquitoes within mangroves peaked during dawn and dusk for the less disturbed area but was irregular for the disturbed area throughout the day. The presence of vectors of pathogens such as Ae. albopictus for both areas raises the need for authorities to consider management of mosquitoes in mangrove forests.

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Section: Discussionsupporting

confidence: 87%

Section: Introductionmentioning

confidence: 99%

Day Biting Habits of Mosquitoes Associated with Mangrove Forests in Kedah, Malaysia

et al. 2018

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“…Likewise, current studies demonstrate considerable variation in Ae . albopictus density and human biting within a city and across land-use types [ 21 , 39 , 56 ]. More field data and behavioral evaluation are needed to refine model assumptions and parameters regarding when and where mosquito density and percent human feeding is likely to facilitate onward human transmission.…”

Section: Discussionmentioning

confidence: 99%

Defining the Risk of Zika and Chikungunya Virus Transmission in Human Population Centers of the Eastern United States

et al. 2017

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The recent spread of mosquito-transmitted viruses and associated disease to the Americas motivates a new, data-driven evaluation of risk in temperate population centers. Temperate regions are generally expected to pose low risk for significant mosquito-borne disease; however, the spread of the Asian tiger mosquito (Aedes albopictus) across densely populated urban areas has established a new landscape of risk. We use a model informed by field data to assess the conditions likely to facilitate local transmission of chikungunya and Zika viruses from an infected traveler to Ae. albopictus and then to other humans in USA cities with variable human densities and seasonality. Mosquito-borne disease occurs when specific combinations of conditions maximize virus-to-mosquito and mosquito-to-human contact rates. We develop a mathematical model that captures the epidemiology and is informed by current data on vector ecology from urban sites. The model demonstrates that under specific but realistic conditions, fifty-percent of introductions by infectious travelers to a high human, high mosquito density city could initiate local transmission and 10% of the introductions could result in 100 or more people infected. Despite the propensity for Ae. albopictus to bite non-human vertebrates, we also demonstrate that local virus transmission and human outbreaks may occur when vectors feed from humans even just 40% of the time. Inclusion of human behavioral changes and mitigations were not incorporated into the models and would likely reduce predicted infections. This work demonstrates how a conditional series of non-average events can result in local arbovirus transmission and outbreaks of human disease, even in temperate cities.

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“…It has been reported that the Aedes mosquito is a diurnal feeder with peak biting periods in the early morning and in the evening [ 1 ], but surveys have shown that the biting activity of Aedes albopictus varies from place to place. For example, in Malaysia the activity peak is observed between 0600–0900 and 1500–2000 [ 41 ], and in Macau (near Guangzhou), between 0600–0800 and 1800–2000 [ 42 ], but in India, it shifts to 2230–2300 and 2030–2100 [ 43 ]. In our study, we assume that the biting rate during daytime and nighttime is the same, but has different values in different districts.…”

Section: Methodsmentioning

confidence: 99%

Inferring the Spatio-temporal Patterns of Dengue Transmission from Surveillance Data in Guangzhou, China

et al. 2016

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BackgroundDengue is a serious vector-borne disease, and incidence rates have significantly increased during the past few years, particularly in 2014 in Guangzhou. The current situation is more complicated, due to various factors such as climate warming, urbanization, population increase, and human mobility. The purpose of this study is to detect dengue transmission patterns and identify the disease dispersion dynamics in Guangzhou, China.MethodologyWe conducted surveys in 12 districts of Guangzhou, and collected daily data of Breteau index (BI) and reported cases between September and November 2014 from the public health authority reports. Based on the available data and the Ross-Macdonald theory, we propose a dengue transmission model that systematically integrates entomologic, demographic, and environmental information. In this model, we use (1) BI data and geographic variables to evaluate the spatial heterogeneities of Aedes mosquitoes, (2) a radiation model to simulate the daily mobility of humans, and (3) a Markov chain Monte Carlo (MCMC) method to estimate the model parameters.Results/ConclusionsBy implementing our proposed model, we can (1) estimate the incidence rates of dengue, and trace the infection time and locations, (2) assess risk factors and evaluate the infection threat in a city, and (3) evaluate the primary diffusion process in different districts. From the results, we can see that dengue infections exhibited a spatial and temporal variation during 2014 in Guangzhou. We find that urbanization, vector activities, and human behavior play significant roles in shaping the dengue outbreak and the patterns of its spread. This study offers useful information on dengue dynamics, which can help policy makers improve control and prevention measures.

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Original article. Biting behavior of Malaysian mosquitoes, Aedes albopictus Skuse, Armigeres kesseli Ramalingam, Culex quinquefasciatus Say, and Culex vishnui Theobald obtained from urban residential areas in Kuala Lumpur

Cited by 30 publications

References 11 publications

Day Biting Habits of Mosquitoes Associated with Mangrove Forests in Kedah, Malaysia

Day Biting Habits of Mosquitoes Associated with Mangrove Forests in Kedah, Malaysia

Defining the Risk of Zika and Chikungunya Virus Transmission in Human Population Centers of the Eastern United States

Inferring the Spatio-temporal Patterns of Dengue Transmission from Surveillance Data in Guangzhou, China

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