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Effects of different feeding methods and hosts on the fecundity and blood-feeding behavior of Aedes aegypti and Aedes albopictus (Diptera: Culicidae)

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Abstract

Aedes aegypti and Aedes albopictus are predominantly daytime-feeding mosquito species that breed in urban settlements and transmit viral and nematode diseases. Females can feed on a broad range of vertebrate hosts for oogenesis. Research on host-feeding behavior and patterns is important to better understand the transmission cycles of most mosquito-borne diseases and to develop better protection measures. This study investigated the host feeding patterns of Ae. aegypti and Ae. albopictus through both artificial blood feeding and natural feeding techniques and assessed the effect of these methods on mosquito fecundity. Laboratory colonies of both mosquitoes fed on blood from five different hosts (bird, mouse, human, sheep and cow). The artificial blood feeding system consisted of a glass condenser with blood attached to a water bath with warm water circulation and insects fed through a stretched Parafilm membrane over the bottom of the condenser. Natural feeding experiments were performed with paper cups that contained the mosquitoes and were placed over the host’s skin for one hour. In the natural feeding method, Ae. aegypti females mostly fed on humans, while in the artificial blood feeding method, they fed on birds. Both human and bird blood sources yielded the highest number of eggs, larvae and pupae for Ae. aegypti. Aedes albopictus preferred humans in the natural feeding method and mice in the artificial blood feeding method. Similarly, egg, larvae and pupae productivity from humans and mice were also high for Ae. albopictus. Both species preferred the artificial feeding method. Our findings show that different blood meal sources and methods affect mosquito fecundity. Such laboratory studies on mosquito feeding patterns can reveal the feeding preference of important vectors and provide vital information for understanding vector and host interactions.

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Acknowledgements

We are grateful to Dr. Mustapha Touray for his assistance in developing the manuscript.

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Contributions

Fatma Bursali is responsible for planning and designing the study, conducting analysis, interpretingresults and drafting the original manuscript. Fatih Mehmet Simsek was responsible for the analysis and interpretation of the results and the critical evaluation and editing of the manuscript.

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Correspondence to Fatma Bursali.

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Ethics committee approval

Ethical approval was obtained from the ethics committee of Aydin Adnan Menderes University, Turkey for artificial blood feeding experiments (approval number 2015-714) and natural feeding experiments (approval number 64583101/2022-006). Human blood was obtained from the Blood Bank of Aydin Adnan Menderes University (approval number 2015-116). Experiments involving the use of human blood were conducted according to the principles expressed in the Declaration of Helsinki.

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Bursali, F., Simsek, F.M. Effects of different feeding methods and hosts on the fecundity and blood-feeding behavior of Aedes aegypti and Aedes albopictus (Diptera: Culicidae). Biologia (2023). https://doi.org/10.1007/s11756-023-01514-3

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  • DOI: https://doi.org/10.1007/s11756-023-01514-3

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