Author
Mary Divine C. Alegado,
Joshua Eduard B. Calayag,
Aubrey B. Olaran,
Alexandra Breatriz B. Silva,
Emmanuel A. Pardinan
Related Institution
Publication Information
Publication Type
Thesis/Dissertations
Publication Date
September 2017
Abstract
This study was a descriptive survey on the population distribution of Aedes mosquitoes present in Carreta Public Cemetery with considerations on the seasons, breeding sites and description of ecological factors that influenced their distribution. The collected eggs, larvae, and pupae from the study site were then brought to the CDU Research laboratory and reared into adults. The adult mosquitoes were killed using chloroform and mounted into paper triangles. The mosquitoes were observed using stereomicroscope and were identified using the key A Synopsis of Philippine Mosquitoes by Bohart in 1945. Identification of the adult mosquitoes was verified by our mentor, Dr. Emmanuel Pardiñan.
A total of 139 adults were found to be Aedes. The wet seasons (June and July) comprised more mosquitoes than the dry (May). Out of the 139 Aedes mosquitoes collected, Aedes aegypti comprised 42%, Aedes albopictus (29%), Aedes albolineatus (24%), Aedes punctifemore (3%), and Aedes aurotaeniatus (2%). Out of the seven stations established, station 1, artificial containers, contained the highest Aedes mosquito population by 33.81% whereas station 5, leaf axils, provided the lowest by 4.32%. Light penetration and temperature were shown to have influenced the distribution of Aedes mosquitoes most whereas elevation and pH had least influenced the distribution of Aedes mosquitoes.
Of all of the stations present in the cemetery, Station 1 contained the most number of Aedes mosquitoes concluding that artificial containers presented the most mosquitoes whereas the least was Station 5 because there are few breeding sites were available, and it was not resided by people. A total of 5 Aedes mosquito species were identified; Aedes aegypti, Aedes albopictus, Aedes albolineatus, Aedes punctifemore and Aedes aurotaeniatus. Among all Aedes species, the highest was Aedes albopictus; it is because it could readily conform to the changes in the environment and adapt to the different kinds of breeding sites. Aedes punctifemore was the least among all Aedes species which was only present in one station. Light penetration and temperature were shown to have influenced the distribution of Aedes mosquitoes because they favor shaded breeding sites and prefer warmer temperatures. Based on the results of the study, the researchers would like to recommend to those that have an interest in using this study to survey other public cemeteries in Metropolitan Cebu, to include species other than Aedes, to study taxonomy, and to study the monthly distribution of Aedes mosquitoes the whole year.
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