阿根廷科尔多瓦省秋冬季节白纹伊蚊（双翅目：蚊科）的相对丰度和生殖营养状态

Relative abundance and gonotrophic status of Aedes albifasciatus (Diptera: Culicidae) during the autumn-winter period in Córdoba Province, Argentina.

作者信息

Almirón W R, Ludueña Almeida F F, Brewer M

机构信息

Centro de Investigaciones Entomológicas de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales, Universidad Nacional de Córdoba, Argentina.

出版信息

J Med Entomol. 2000 Jan;37(1):16-20. doi: 10.1603/0022-2585-37.1.16.

DOI:10.1603/0022-2585-37.1.16

PMID:15218901

Abstract

Variations in the abundance of larvae and females of Aedes albifasciatus (Macquart) were monitored biweekly during the autumn-winter periods of 1996 and 1997 on the southern edge of the Mar Chiquita Lake in Córdoba Province. The degree of development of the primary ovarian follicles also was determined in host-seeking females. Abundance of the larvae and the females were noticeably different during the 2 yr of the study and matched changes in the pattern of precipitation. Although most females had ovarian follicles in Christophers stages Ib-IIa, 14% and 4% in 1996 and 1997, respectively, were in stages III-V (i.e., exhibited gonotrophic discordance). Females appeared to continue taking blood meals and laying eggs even during the autumn-winter period.

摘要

1996年和1997年秋冬季节，每两周对科尔多瓦省马尔基基塔湖（Mar Chiquita Lake）南部边缘的白纹伊蚊（Aedes albifasciatus，Macquart）幼虫和雌蚊数量变化进行监测。同时，还测定了寻找宿主的雌蚊初级卵巢卵泡的发育程度。在研究的两年中，幼虫和雌蚊数量明显不同，且与降水模式变化相符。尽管大多数雌蚊的卵巢卵泡处于克里斯托弗斯（Christophers）I b-II a期，但1996年和1997年分别有14%和4%处于III-V期（即表现出生殖营养不协调）。即使在秋冬季节，雌蚊似乎仍继续吸食血液并产卵。