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实验室条件下(半翅目,红蝽科,锥蝽亚科)的生物学特性。

Biological Aspects of (Hemiptera, Reduviidae, Triatominae) Under Laboratory Conditions.

机构信息

Campus Centro-Oeste, Universidade Federal de São João del Rei (UFSJ), Divinópolis, Minas Gerais, Brazil.

Instituto de Ciências Farmacêuticas, Universidade Estadual Paulista (Unesp), Araraquara, São Paulo, Brazil.

出版信息

Vector Borne Zoonotic Dis. 2019 Dec;19(12):929-932. doi: 10.1089/vbz.2019.2449. Epub 2019 Jul 29.

Abstract

Triatominae are insects notorious as vectors of , which is the etiologic agent of Chagas disease, and other trypanosomatids. Triatomines of the genus are primarily sylvatic, nevertheless the occurrence of native species that invade households suggests their possible role in the transmission of Chagas disease. was first described in 2012, but the biological aspects of this species are still unknown. This study aimed to analyze the biological aspects of under laboratory conditions. The emergence rate was 63.0%, the mean time required for the emergence was 13.9 ± 1.7 days, the biological cycle from egg to adult phase occurred in 105.2 ± 9.2 days, the number of bloodmeals required for each nymphal stage to reach the next stage varies between a minimum of two and a maximum of seven. The weight gained after a bloodmeal varied between 10.6 times on 1st-instar nymphs and 3.9 times on 5th-instar nymphs. The adult specimens had the lowest gain of weight, reaching 2.2 times on females and 1.6 times on males. The sex ratio observed was 1:1. These data are relevant to understand the life cycle of this new described species and to elaborate more effective vector control strategies.

摘要

锥蝽是一种臭名昭著的昆虫,是克氏锥虫的传播媒介,克氏锥虫是恰加斯病的病原体,也是其他原生动物的病原体。 猎蝽属的锥蝽主要栖息在森林中,但也有一些本地物种入侵家庭,这表明它们可能在传播恰加斯病方面发挥作用。 于 2012 年首次被描述,但该物种的生物学方面仍不清楚。本研究旨在分析该物种在实验室条件下的生物学方面。其出蜂率为 63.0%,出蜂所需的平均时间为 13.9±1.7 天,从卵到成虫期的生物周期为 105.2±9.2 天,每个若虫期需要吸食的血液量从最少两次到最多七次不等。每次吸血后体重增加量在 1 龄若虫时为 10.6 倍,在 5 龄若虫时为 3.9 倍。成虫标本的体重增加量最低,雌虫为 2.2 倍,雄虫为 1.6 倍。观察到的性别比例为 1:1。这些数据对于了解这种新描述的物种的生命周期以及制定更有效的病媒控制策略非常重要。

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