Contribution to the knowledge of Ixodes (Trichotoixodes) pari Leach (= I. frontalis (Panzer)) (Acari: Ixodidae), a tick specific to birds
1998 - Volume: 39 Issue: 4 pages: 315-325
Ixodes pari (= I. frontalis)
The author, having developed a particularly efficient method for collecting bird ticks, studied the frequency of Ixodes pari (I. frontalis) in the west (Brittany, Vendee) and central (Sologne) parts of France. >230 specimens of birds, belonging to 32 different species, were collected during 1995 and 1996. The regular monitoring, during 14 consecutive months, of infestation levels on black birds (Turdus merula) - which appeared to be, by far, the most frequently and intensively infested host - revealed that the tick was essentially most frequent as an ectoparasite during October to December. Newly recorded hosts included Accipiter nisus, Perdix perdix, Columba palumbus, Sturnus vulgaris, Corvus corone and Parus caeruleus. This study allowed several aspects of the previously almost unknown biology of this species to be determined. Although considered a rare species by several acarologists, this is an abundant tick, at least in the geographic areas sampled here, especially in open biotopes. This study included investigations of repletion times on birds, time taken for egg maturation and hatching, and longevity of fasting larvae. The results indicated that this tick has only one generation per year. Other aspects of the biology of this species remain to be defined, such as modalities of bird infestation in cold conditions. Nevertheless, it appears that this tick will need to be taken into consideration for its potential role in the epidemiology of Lyme borreliosis, a wide spread anthropozoonosis.
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