title: [Seasonal changes in the level of fertility of female Ixodes ricinus L. and Ixodes persulcatus P. Sch. until they land on their hosts and the significance of this phenomenon in the life of tick populations].
mesh_terms: D000818:Animals; D005247:Feeding Behavior / Q000502:physiology; D005260:Female; D005298:Fertility; D006605:Hibernation; D006790:Host-Parasite Interactions; D008297:Male; D011157:Population Dynamics; D012621:Seasons; D013045:Species Specificity; D013987:Ticks / Q000502:physiology*; D014586:USSR
vernacular_title: Sezonnye izmeneniia urovnia oplodotvorennosti samok Ixodes ricinus L. i Ixodes persulcatus P. Sch. do popadaniia ikh na khoziaev i znachenie étogo iavleniia v zhizni populiatsii kleshcheĭ.