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首页> 外文期刊>Journal of Medical Entomology >Wing Polymorphism and Trypanosoma cruzi Infection in Wild, Peridomestic, and Domestic Collections of Mepraia spinolai (Hemiptera: Reduviidae) From Chile
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Wing Polymorphism and Trypanosoma cruzi Infection in Wild, Peridomestic, and Domestic Collections of Mepraia spinolai (Hemiptera: Reduviidae) From Chile

机译：翼状多态性和锥虫瘤克鲁齐感染在野生，云母和国内集合的Mepraia Spinolai（Hemiptera：Reduviidae）来自智利

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摘要

Mepraia spinolai (Porter) is a vector of Trypanosoma cruzi that causes Chagas disease. Females are always wingless, but males may be winged or wingless. We determined by PCR the infection percentage with T. cruzi of M. spinolai adults and nymphs in domestic, peridomestic, and wild collections, in different regions of Chile. In all regions, winged males were more abundant than females and wingless males. Winged males collected inside houses were less parasitized than were those from peridomestic and wild environments. Although winged males of M. spinolai have comparatively low levels of infection, this segment may still represent the greatest vector threat in this species for transmission of T. cruzi to humans and other vertebrates in domestic, wild, and peridomestic habitats. Winged males represent the dispersive form of this species that invades human dwellings. Feeding deprivation resulting from the time required to find a food source and to search for reproductive females could explain the lower infection rates (negatives) of winged males collected from inside houses in comparison with winged males collected from peridomestic and wild habitats.
机译：Mepraia Spinolai（Porter）是睾丸瘤Cruzi的载体，导致Chagas病。女性始终无翼，但男性可能是翅膀或无翼的。我们在智利的不同地区确定了M. Spinolai成人和若虫的T.Cruzi的感染百分比。在所有地区，翼形的男性比女性更丰富，无翼的男性。收集在房屋内收集的翼雄寄生在普遍的环境和野生环境中的寄生。虽然M. Spinolai的翅膀雄性相对较低，但这种细分仍然可以代表这种物种中最大的传染媒介威胁，用于在国内，野生和云造物栖息地中传播T.Cruzi对人类和其他脊椎动物。翅膀的男性代表了这种物种的分散形式，侵入了人类住所。由于寻找食物来源所需的时间和寻找生殖女性所需的饲养剥夺可以解释从内部内部收集的翅膀雄性的较低的感染率（底片）与来自普遍存在的野生栖息地收集的翅膀的雄性相比。

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