Abstract
Pathogens of spruce bark beetle Ips typographus were compared at eleven sites in Slovakia (the Western Carpathians). Seven different pathogen species were recorded: protozoan species Chytridiopsis typographi, Gregarina typographi, Malamoeba scolyti, nematodes of the genus Neoparasitylenchus and one unidentified nematode species. Presence of the entomopathogenic fungus Beauveria bassiana was also observed as well as parasitization by hymenopteran parasitoids. High infection rate of G. typographi and the nematode Neoparasitylenchus was detected in almost all sites and lethal impact of M. scolyti by massive infections was observed. The beetles from seven sites were screened for endosymbiotic bacteria Wolbachia, however, with no positive result.
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Michalková, V., Krascsenitsová, E. & Kozánek, M. On the pathogens of the spruce bark beetle Ips typographus (Coleoptera: Scolytinae) in the Western Carpathians. Biologia 67, 217–221 (2012). https://doi.org/10.2478/s11756-011-0154-7
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DOI: https://doi.org/10.2478/s11756-011-0154-7