長崎県大村市内における犬糸状虫の浸淫状況と伝搬蚊に関する研究 : 2.自然界における伝搬蚊

概要

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To determine the vector mosquitoes of Dirofilaria immitis in Omura City, Western Japan, a field survey was made from June to September, 1973. Microfilarial infections were found in 43.2% of the house dogs examined. Though 9 species of mosquitoes were collected by a light trap at four stations and a dog-baited-trap at one station in the area, Culex pipiens pallens and Aedes albopictus were predominant species. All the female mosquitoes collected were dissected to examine the filarial larvae in their body. Of 2093 mosquitoes examined, natural infections with developing and mature filarial larvae were found in 51 (5.9%) of Culex pipiens pallens, 13 (1.8%) of Aedes albopictus, 1 (0.5%) of Anopheles sinensis and 1 (1.1%) of Culex tritaeniorhynchus summorosus. Infective larvae were found in only 5 (0.6%) of C. p. pallens. From the results mentioned above, C. p. pallens would be the most important vector of this parasite and Ae. albopictus may be the next important vector in the City.
長崎大学熱帯医学研究所,Institute of Tropical Medicine, Nagasaki Universityの論文
1975-03-25