THE SUSCEPTIBILITY OF THE MOSQUITOS AEDES-NOTOSCRIPTUS AND CULEX-ANNULIROSTRIS TO INFECTION WITH DOG HEARTWORM DIROFILARIA-IMMITIS AND THEIR VECTOR EFFICIENCY

被引：19

作者：

RUSSELL, RC

GEARY, MJ

机构：

[1] Department of Medical Entomology, University of Sydney, Westmead Hospital, Sydney

来源：

MEDICAL AND VETERINARY ENTOMOLOGY | 1992年 / 6卷 / 02期

关键词：

MOSQUITOS; AEDES-NOTOSCRIPTUS; CULEX-ANNULIROSTRIS; FILARIA; DIROFILARIA-IMMITIS; HEARTWORM;

D O I：

10.1111/j.1365-2915.1992.tb00594.x

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

The mosquitoes Aedes notoscriptus (Skuse) and Culex annulirostris Skuse were fed on a dog infected with Dirofilaria immitis (Leidy) and a blood parasite count of approximately 5000 microfilaria per ml. Cx annulirostris ingested almost 4 times as much blood and almost 4 times as many microfilariae as Ae.notoscriptus (mean 26.0 compared to 6.6). Attrition of the filarial numbers occurred primarily within the midgut during the first 24 h following ingestion and was greater in Cx annulirostris than Ae.notoscriptus. Aedes notoscriptus sustained development of almost 8 times as many third-stage infective larvae as Cx annulirostris (mean of 3.8 compared to 0.5), and thus had a vector efficiency index of 57.6 compared to 1.9 for Cx annulirostris. In a series of investigations Ae. notoscriptus has now been shown to be an important vector for dog heartworm in southern Australia and may be a significant factor in the apparent burgeoning of the disease.

引用

页码：154 / 158

页数：5

共 23 条

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