Objective To investigate the mosquito species in the residential area around Erhai Lake in Dali, Yunnan province, China, and important features of ecological habit, and to provide a basis for developing local prevention and control measures for mosquito-borne diseases. Methods From September 2016 to August 2017, adult mosquitoes were collected by the mosquito lamp in the residential area around Erhai Lake, and larvae were collected by larvae fishing in different breeding sites during the rainy season from June to September. Morphological identification was performed for all the adult mosquitoes and stage Ⅳ larvae collected. Results A total of 29 667 adult mosquitoes and larvae were collected, with 37 species (subspecies) of 11 genera in 3 subfamilies, including 20 069 adult mosquitoes from 29 species of 7 genera in 2 subfamilies and 9 598 stage Ⅳ larvae from 27 species of 10 genera in 3 subfamilies. Culex tritaeniorhynchus was the dominant species (16 997/20 069, 84.68%); the larvae of Aedes albopictus and Armigeres subalbatus accounted for 26.87% (2 579/9 598) and 20.14% (1 933/9 598), respectively, of all larvae collected. Culex tritaeniorhynchus and Cx. pipiens quinquefasciatus were found during the whole year, with peak population densities in September; rice field, stream, and gutterway were the major breeding sites for the larvae of Cx. tritaeniorhynchus, and the water gathered in vase, basin, and pot was the major breeding site for the larvae of Cx. pipiens quinquefasciatus. The main breeding sites for Anopheles sinensis were rice field, stream, and gutterway, with a peak population density in September. The main breeding sites for Ae. albopictus were junked tire, abandoned wells, and landscape pond. Conclusion There are abundant mosquito species in the residential area around Erhai Lake. Culex tritaeniorhynchus, An. sinensis, and Ae. albopictus have various breeding sites, high population numbers, and a wide distribution. Local health authorities should strengthen the monitoring of mosquitoes for mosquito-borne diseases.
ZHOU Yang, WANG Jian, TAN Wei-chang, CHEN Meng, ZHU Zeng-hui, MA Jie-yu, ZHENG Li-qin
. An investigation of mosquito species and breeding habit in the residential area around Erhai Lake in Dali, Yunnan province, China[J]. Chinese Journal of Vector Biology and Control, 2019
, 30(1)
: 56
-59
.
DOI: 10.11853/j.issn.1003.8280.2019.01.012
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