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. 2012 Nov;58(3):327-39.
doi: 10.1007/s10493-012-9583-4. Epub 2012 Jun 6.

Diversity and seasonal patterns of ticks parasitizing wild birds in western Portugal

A C Norte  1 , I Lopes de Carvalho, J A Ramos, M Gonçalves, L Gern, M S Núncio
Affiliations

Diversity and seasonal patterns of ticks parasitizing wild birds in western Portugal

A C Norte et al. Exp Appl Acarol. 2012 Nov.

Abstract

The diversity and abundance of questing ticks and ticks parasitizing birds was assessed during 1 year in two recreational forests in western Portugal, a suburban forest and an enclosed game area. The aim of this study was to assess the distribution and seasonality of tick species and to understand the role of bird species as hosts for ticks. Ixodes ricinus was the most abundant questing tick collected in the enclosed game area, whereas in the suburban forest, only three ticks were collected by blanket dragging. Tick species parasitizing birds included I. ricinus, I. frontalis, I. arboricola, I. acuminatus, Haemaphysalis punctata, Hyalomma marginatum and H. lusitanicum. This is the first record of I. arboricola in Portugal. Tick prevalence and intensity of infestation differed between study areas and was higher in birds from the game area where a large population of deer and wild boar may support tick populations. Ground and shrub dwelling bird species such as Turdus merula, Erithacus rubecula and Sylvia melanocephala were the most heavily parasitized by ticks, but the importance of different bird species as hosts of larvae and nymphs of I. ricinus and I. frontalis differed. Therefore, different bird species may contribute differently for tick population maintenance.

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