title: [Ecology and ethology of Ixodes ricinus Linné 1758, in Switzerland (Acarina, Ixodoidea). 1st report: numerical fluctuations].
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D004463:Ecology; D005260:Female; D008297:Male; D008322:Mammals; D011156:Population Density; D012494:Sampling Studies; D013557:Switzerland; D013987:Ticks
vernacular_title: Ecologie et éthologie d'Ixodes ricinus Linné 1758, en Suisse (Acarina, Ixodoidea). Première note: fluctuations numériques