新墨西哥州伯纳利洛县犬恶丝虫的潜在蚊媒。
Potential mosquito vectors of Dirofilaria immitis in Bernalillo County, New Mexico.
作者信息
Loftin K M, Byford R L, Loftin M J, Craig M E
机构信息
Department of Entomology, Plant Pathology and Weed Science, New Mexico State University, Las Cruces 88003, USA.
出版信息
J Am Mosq Control Assoc. 1995 Mar;11(1):90-3.
The susceptibility of Aedes vexans, Culex quinquefasciatus, and Culex tarsalis to Dirofilaria immitis infections was evaluated in Bernalillo Co., New Mexico. Mosquitoes that had taken a blood meal from a D. immitis-infected dog were dissected and observed for developing larvae. Infection rates for Ae. vexans, Cx. quinquefasciatus, and Cx. tarsalis were 68.9, 40.6, and 30.2%, respectively. Infective D. immitis larvae developed after a minimum of 8 days in Ae. vexans vs. 14 days in both Cx. quinquefasciatus and Cx. tarsalis. Vector efficiency of Ae. vexans was 20.4%, with a mean of 5.9 infective larvae developing from a mean of 29 microfilariae ingested per mosquito. Vector efficiency in Cx. quinquefasciatus and Cx. tarsalis was 2.7 and 0.4%, respectively. These results suggest that Ae. vexans has the greatest potential for D. immitis transmission.
在新墨西哥州的伯纳利洛县评估了骚扰伊蚊、致倦库蚊和三带喙库蚊对犬恶丝虫感染的易感性。解剖并观察了从感染犬恶丝虫的狗身上吸食过血液的蚊子，以观察发育中的幼虫。骚扰伊蚊、致倦库蚊和三带喙库蚊的感染率分别为68.9%、40.6%和30.2%。感染性犬恶丝虫幼虫在骚扰伊蚊中至少8天后发育，而在致倦库蚊和三带喙库蚊中均为14天后发育。骚扰伊蚊的媒介效率为20.4%，每只蚊子平均摄取29条微丝蚴后平均发育出5.9条感染性幼虫。致倦库蚊和三带喙库蚊的媒介效率分别为2.7%和0.4%。这些结果表明，骚扰伊蚊具有传播犬恶丝虫的最大潜力。
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