This investigation examines multiple paternity in Ixodes ricinus (Acari: Ixodidae). Previous studies have shown that multiple mating occurs in this tick, but this is the first evaluation of multiple paternity. Three family groups were examined by a panel of polymorphic microsatellite loci; all ticks were bred from wild-collected engorged females with a copulating male attached. For most larvae, the attached males could be excluded as possible sire, and in the 3 tested families, at least 2 of 3 females mated successfully with more than 1 male. This finding suggests that multiple paternity is a common reproductive strategy in I. ricinus, which may have consequences for the ticks' dispersal success by increasing the genetic diversity in broods from single females colonizing new sites.
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April 2008
Research Article|
April 01 2008
Multiple Paternity in Ixodes ricinus (Acari: Ixodidae), Assessed by Microsatellite Markers
Gunnar Hasle;
Gunnar Hasle
Department of Biology, University of Oslo, P.O. Box 1050 Blindern, N-0316 Oslo, Norway. hasle@reiseklinikken.no
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Knut H. Røed;
Knut H. Røed
Department of Biology, University of Oslo, P.O. Box 1050 Blindern, N-0316 Oslo, Norway. hasle@reiseklinikken.no
* Department of Basic Sciences and Aquatic Medicine, Norwegian School of Veterinary Science, P.O. Box 8146 Dep., Oslo, Norway
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Hans Petter Leinaas
Hans Petter Leinaas
Department of Biology, University of Oslo, P.O. Box 1050 Blindern, N-0316 Oslo, Norway. hasle@reiseklinikken.no
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J Parasitol (2008) 94 (2): 345–347.
Citation
Gunnar Hasle, Knut H. Røed, Hans Petter Leinaas; Multiple Paternity in Ixodes ricinus (Acari: Ixodidae), Assessed by Microsatellite Markers. J Parasitol 1 April 2008; 94 (2): 345–347. doi: https://doi.org/10.1645/GE-1280.1
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