Pathogens of Ips amitinus: new species and comparison with Ips typographus.

Lukášová, K., Holuša, J., Turčáni, M., (2013). Journal of Applied Entomology 137(3), 188-196. Wiley-Blackwell, Berlin, Germany. English language

Pathogens of bark beetles (Coleoptera: Curculionidae) in Bulgarian forests.

Takov, D., Doychev, D., Linde, A., Draganova, S., Pilarska, D., (2011). Phytoparasitica 39(4), 343-352. Springer, Dordrecht, Netherlands. English language

Pathogens of Ips duplicatus (Coleoptera: Scolytidae) in three areas in Central Europe.

Holuša, J., Weiser, J., Drapela, K., (2007). Acta Protozoologica 46(2), 157-167. Nencki Institute of Experimental Biology, Polish Academy of Sciences, Warszawa, Poland. English language

Protozoen als Krankheitserreger bei einigen Borkenkaferarten (Col. Scolytidae) im Konigssee-Gebiet, Oberbayern. / Protozoa as pathogens of some species of bark-beetles (Col., Scolytidae) in the Konigssee district, Upper Bavaria.

Purrini, K., (1978). Anzeiger fur Schadlingskunde Pflanzenschutz Umweltschutz 51(11), 171-175. German language