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Ectoparasitic arthropods communities associated with root voles Microtus oeconomus (Pallas, 1776) were analysed in north-eastern Poland. The first M. oeconomus parasites recorded in the history were the fleas Palaeopsylla similis Dampf, Ctenophthalmus congerer Rothschild, C. bisoctodentatus Kolenati, and C. solutus Jordan et Rothschild. Ctenophthalmus uncinatus (Wagner) and Doratopsylla dasycnema (Rothschild) fleas and the Ixodes apronophorus Schulze tick were recorded on M. oeconomus in Poland for the first time. These species are relatively rare in Poland and specific to other species of small mammals. The incidence of M. oeconomus infestations with I. apronophorus, D. dasycnema and C. uncinatus ranged from 0.5 to 0.8 %, respectively. There are large differences in the infestation of Dermacentor reticulatus larvae and nymphs between July and August. In July, D. reticulatus may be considered the dominant ectoparasite species, in August, it is partly replaced by I. ricinus and fleas and is subdominant. |
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