PARASITISM OF AEDES-AEGYPTI AND AE-ALBOPICTUS (DIPTERA, CULICIDAE) BY ASCOGREGARINA SPP (APICOMPLEXA, LECUDINIDAE) IN FLORIDA
PARASITISM OF AEDES-AEGYPTI AND AE-ALBOPICTUS (DIPTERA, CULICIDAE) BY ASCOGREGARINA SPP (APICOMPLEXA, LECUDINIDAE) IN FLORIDA
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DOI：
10.1093/jmedent/32.6.847
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发表时间：
1995-11-01
影响因子：
2.1
通讯作者：
CRAIG, GB
中科院分区：
文献类型：
--
作者：
BLACKMORE, MS;SCOLES, GA;CRAIG, GB
埃及伊蚊 (L.) 和 Ae. 1993 年春秋和 1894 年 7 月，对佛罗里达州 17 个县 40 个地点的白纹伊蚊 (Skuse) 进行了白纹伊蚊寄生虫调查。对从容器（主要是轮胎）收集的幼虫进行解剖，以确定白纹伊蚊滋养体的数量。 Ascogregarina spp 存在于 70% 的地点，并且在伊蚊中出现的频率相同。埃及伊蚊种群如 Ae。白纹伊蚊。在地点内，寄生虫的分布变化很大，并且在宿主种群中聚集。每个宿主的寄生虫负载范围为 1 至 486 个滋养体。 Ae 的平均寄生虫负荷显着较高。埃及伊蚊幼虫（每个宿主 52.5 个）多于伊蚊。白纹伊蚊（每个宿主 33.5 个）。伊蚊的寄生虫患病率明显较高。与伊蚊不同域的埃及伊蚊种群。白纹伊蚊与异域伊蚊相比。白纹伊蚊或任一物种的同域种群。在同域种群中，Ae。埃及伊蚊的寄生虫流行率往往与同居的伊蚊相同或更高。白纹伊蚊。台湾 Ascogregarina taiwanensis (Lien & Levine) 在伊蚊中的流行情况。在这些宿主已经存在至少 3 年的地区，白纹伊蚊的感染率明显较高。这些数据有助于提出这样的假设：寄生虫介导的竞争可能是白伊蚊明显移位的一个因素。埃及伊蚊，作者：Ae。佛罗里达州的白纹伊蚊。
Aedes aegypti (L.) and Ae. albopictus (Skuse) from 40 sites in 17 counties of Florida were surveyed for gregarine parasites during the spring and autumn of 1993 and in July 1894. Larvae collected from containers (mainly tires) were dissected to determine the number of gregarine trophozoites present. Ascogregarina spp, were found at 70% of the sites and occurred as frequently in Ae. aegypti populations as in Ae. albopictus. Within sites, parasite distributions were highly variable and aggregated in host populations. Parasite loads ranged from 1 to 486 trophozoites per host. Mean parasite load was significantly higher in Ae. aegypti larvae (52.5 per host) than in Ae. albopictus (33.5 per host). Parasite prevalence was significantly higher in Ae. aegypti populations that were not sympatric with Ae. albopictus compared with allopatric Ae. albopictus or sympatric populations of either species. In sympatric populations, Ae. aegypti tended to have equal or higher parasite prevalence than the cohabiting Ae. albopictus. Ascogregarina taiwanensis (Lien & Levine) prevalence in Ae. albopictus was significantly higher in areas where these hosts have been present for at least 3 yr. These data contribute to the hypothesis that parasite mediated competition may be a factor in the apparent displacement of Ae. aegypti by Ae. albopictus in Florida.