Laboratório de Imunoparasitologia, Department of Immunology, Aggeu Magalhães Institute, Oswaldo Cruz Foundation (Fiocruz), Recife, PE, Brazil.
Laboratório Interdisciplinar de Anfíbios e Répteis, Department of Biology, Universidade Federal Rural de Pernambuco, Recife, PE, Brazil.
Exp Appl Acarol. 2021 Dec;85(2-4):305-318. doi: 10.1007/s10493-021-00660-0. Epub 2021 Oct 19.
Birds are important hosts for various tick species, playing a significant role in their biological life cycle and dispersion. In this study, we investigated tick infestations on birds trapped in an urban remnant of Atlantic Forest in Pernambuco state, Brazil. From February 2015 to March 2017, 541 birds belonging to 52 species were trapped with mist nets and examined for ectoparasites. Birds trapped in the late successional forest were significantly more infested than birds trapped in the early successional forest. In the same way, ectoparasite infestation varied significantly according to bird weight and collection plot. Overall, 198 birds (36.6%) belonging to 27 species were parasitized by ectoparasites (i.e., ticks, lice and/or mites). Ectoparasites were effectively collected from 111 birds, of which 99 belonging to 20 species were infested by ticks (n = 261), namely, Amblyomma longirostre (13 nymphs), Amblyomma nodosum (21 nymphs), Amblyomma varium (one nymph), and Amblyomma spp. (five nymphs and 221 larvae). Most of the ticks (> 90%) were collected from Passeriformes. This study provides the second record of A. varium in Pernambuco state and confirms that birds, especially Passeriformes, are important hosts for larvae and nymphs of Amblyomma spp. in the Atlantic Forest biome of Pernambuco.
鸟类是多种蜱虫的重要宿主，在其生物生命周期和传播中起着重要作用。本研究调查了在巴西伯南布哥州大西洋森林的一个城市残余物中捕获的鸟类上的蜱虫感染情况。从 2015 年 2 月到 2017 年 3 月，用粘网捕获了 541 只属于 52 种的鸟类，并对其外寄生虫进行了检查。在晚期演替林中捕获的鸟类比在早期演替林中捕获的鸟类受感染的可能性大得多。同样，外寄生虫感染的情况也根据鸟类的体重和采集点的不同而有显著差异。总体而言，有 198 只（36.6%）属于 27 种的鸟类被外寄生虫（即蜱、虱子和/或螨虫）寄生。从 111 只鸟身上有效地采集到了外寄生虫，其中 99 只属于 20 种的鸟被蜱虫（n=261）感染，即长角血蜱（13 个若虫）、钝缘蜱（21 个若虫）、变角血蜱（一个若虫）和美洲钝缘蜱（5 个若虫和 221 个幼虫）。大多数蜱虫（>90%）是从雀形目鸟类身上采集到的。本研究提供了在伯南布哥州发现变角血蜱的第二个记录，并证实了鸟类，特别是雀形目鸟类，是伯南布哥州大西洋森林生物群落中美洲钝缘蜱属幼虫和若虫的重要宿主。
