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Title: Sweet waste extract uptake by a mosquito vector: Survival, biting, fecundity responses, and potential epidemiological significance
Authors: Hamady Dieng
Tomomitsu Satho
Fatimah Abang
Nur Khairatun Khadijah Binti Meli
Idris A. Ghani
Cirilo Nolasco-Hipolito
Hafijah Hakim
Fumio Miake
Abu Hassan Ahmad
Sabina Noor
Wan Fatma Zuharah
Hamdan Ahmad
Abdul Hafiz A. Majid
Ronald E. Morales Vargas
Noppawan P. Morales
Siriluck Attrapadung
Gabriel Tonga Noweg
Universiti Malaysia Sarawak
Fukuoka University
Universiti Kebangsaan Malaysia
Universiti Sains Malaysia
Mahidol University
Keywords: Agricultural and Biological Sciences;Immunology and Microbiology
Issue Date: 1-May-2017
Citation: Acta Tropica. Vol.169, (2017), 84-92
Abstract: © 2017 Elsevier B.V. In nature, adult mosquitoes typically utilize nectar as their main energy source, but they can switch to other as yet unidentified sugary fluids. Contemporary lifestyles, with their associated unwillingness to consume leftovers and improper disposal of waste, have resulted in the disposal of huge amounts of waste into the environment. Such refuse often contains unfinished food items, many of which contain sugar and some of which can collect water from rain and generate juices. Despite evidence that mosquitoes can feed on sugar-rich suspensions, semi-liquids, and decaying fruits, which can be abundant in garbage sites, the impacts of sweet waste fluids on dengue vectors are unknown. Here, we investigated the effects of extracts from some familiar sweet home waste items on key components of vectorial capacity of Aedes aegypti. Adult mosquitoes were fed one of five diets in this study: water (WAT); sucrose (SUG); bakery product (remnant of chocolate cake, BAK); dairy product (yogurt, YOG); and fruit (banana (BAN). Differences in survival, response time to host, and egg production were examined between groups. For both males and females, maintenance on BAK extract resulted in marked survival levels that were similar to those seen with SUG. Sweet waste extracts provided better substrates for survival compared to water, but this superiority was mostly seen with BAK. Females maintained on BAK, YOG, and BAN exhibited shorter response times to a host compared to their counterparts maintained on SUG. The levels of egg production were equivalent in waste extract- and SUG-fed females. The findings presented here illustrate the potential of sweet waste-derived fluids to contribute to the vectorial capacity of dengue vectors and suggest the necessity of readdressing the issue of waste disposal, especially that of unfinished sweet foods. Such approaches can be particularly relevant in dengue endemic areas where rainfall is frequent and waste collection infrequent.
ISSN: 18736254
Appears in Collections:Scopus 2016-2017

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