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Recent Patents on Biotechnology

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ISSN (Print): 1872-2083
ISSN (Online): 2212-4012

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Research Article

LED Colour Trap for Aedes aegypti Control

Author(s): Tiago Salles, Ivo Corrêa, Victor Guimarães-Ribeiro, Edimilson Carvalho and Mônica Moreira*

Volume 15, Issue 3, 2021

Published on: 31 August, 2021

Page: [227 - 331] Pages: 105

DOI: 10.2174/1872208315666210831152834

Price: $65

Abstract

Background: Aedes aegypti mosquitoes transmit dengue, zika, and chikungunya viruses, neglected diseases that are considered global health challenges. Due to the lack of antiviral drugs and vaccines for these illnesses, vector control with chemical insecticides is the principal strategy for preventing their spread. However, vector populations are becoming increasingly resistant to insecticides, and the development of other control measures is, therefore, imperative.

Methods: A new insect trap (IT) was used to control Aedes aegypti. A specific light-emitting diode (LED) served as the attractant based on specific wavelength ranges (450-495, 500-550 and 570-600 nm). The IT utilized insect-attracting and killing mechanisms that included a black capture box, a suction-producing mechanism, an electric shock device and a nylon cloth device that held surviving mosquitoes, which died due to starvation. Capture assays of twenty non-feeding females inside a cage were performed in triplicate using different LED intensities. A commercial trap (ultraviolet lamp attractant and suction system) was used as a positive control.

Results: Capture assays of A. aegypti with different intensities and LED combinations showed that the tricolored trap captured 100% of the females, followed by the Green LED 8 set, which captured 91%; in comparison, commercial traps captured approximately 25% of the insects. Although there were no significant differences between the experimental groups, the tricolored trap probably will capture more mosquito females considering the vision variation in individual females.

Conclusion: We herein present a green technology-based IT that is effective, safe and successful for reducing mosquito populations, thereby preventing mosquito-borne disease spread.

Keywords: Green technology insect trap, vector control, Aedes aegypti, LED trap, mosquitoes, light emitting diode.

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