L.  Magnano, Heijerman, T., and Germann, C., ?On the species status of Otiorhynchus armadillo (Rossi, 1792) and Otiorhynchus salicicola Heyden, 1908 (Coleoptera, Curculionidae, Entimini)?, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, vol. 81, pp. 155-163, 2008.

L.  Magnano, Heijerman, T., and Germann, C., ?On the species status of Otiorhynchus armadillo (Rossi, 1792) and Otiorhynchus salicicola Heyden, 1908 (Coleoptera, Curculionidae, Entimini)?, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, vol. 81, pp. 155-163, 2008.

C.  Germann, ?Third contribution to the weevil-fauna of Switzerland - with records of 17 additional species (Coleoptera, Curculionoidea)?, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, vol. 82, pp. 11-32, 2009.

C.  Germann, ?Second contribution to the weevil fauna of Switzerland - with records of 23 additional species (Coleoptera, Curculionoidea)?, Mitteilungen der Schweizerischen Entomologischen Gesellschaft, vol. 80, pp. 167-184, 2007.