Attraction and Oviposition Stimulation of Gravid Aedes Female Mosquitoes Using Different Colored Earthen Ovitraps in Field Areas
Journal Title: JOURNAL OF BIOLOGICAL ENGINEERING RESEARCH AND REVIEW - Year 2017, Vol 4, Issue 2
Abstract
Wild gravid female Aedes aegypti and Ae. albopictus were allowed to lay their eggs in man-made earthen ovitraps with different colors as black, blue, green, orange, red, white, yellow and control (without color). The ovitraps were used indoor and outdoor for oviposition preference from March 2016 to December 2016. Oviposition cycle was studied 14 days/cycle trial in different places for 84 days. The number of larvae and frequency of oviposition were observed. Experiments were conducted to determine egg laying preference for any specific color of the ovitrap. Results showed that white colored bowl in indoor and red colored bowl in outdoor were most preferred by Ae. aegypti and black ovitrap was to be most preferred for Ae. albopictus in outdoor, although black colored bowls were preferred by both the species in outdoor. Gravid Ae. aeqypti laid their eggs in all colored bowls in both indoor and outdoor. For oviposition preference, seven colored earthen pots were used in indoor and outdoor, and the combined result was observed that the maximum number of larvae was found in a red colored bowl followed by black colored bowl containing distilled water. Besides, Aedes mosquitoes laid more in the red bowl followed by the Yellow colored bowl; lowest laid frequencies were found in orange bowls. Ae. albopictus was laid five times in outdoor in the black bowl within 84 days. In the present studies, Ae. aegypti laid the maximum number of eggs in red colored bowls and Ae. albopictus laid the maximum number only in black colored bowl in outdoor. The study reveals that the color of the ovitraps plays an essential role in oviposition by attracting the females of Ae. aegypti species. The ovitraps of red, yellow, black and white color were found to be appropriate for Aedes eggs and larvae collection to control Aedes population in field areas.
Authors and Affiliations
Maung Maung Mya, Khin Sandi Maung Maung, Nyunt Nyunt Oo, Sein Thaung, Yan Naung Maung Maung, Moh Moh Htun
Keywords
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