Puutiaisten (Ixodes ricinus ja Ixodes persulcatus) levinneisyyteen ja runsauteen vaikuttavat tekijät Suomessa

Hard ticks (Acari: Ixodidae) and tick-borne diseases are considered as a threat in several parts of Europe. In Finland, both Ixodes ricinus persulcatus have shifted northwards recent decades, they become more abundant at the same time. This is thought to be due global climate change its effect directly on or indirectly their host animals. review focuses factors that affect tick activity survival, influence life cycle ticks. Both presence availability animals microclimatic conditions occurrence any given area. For example, high temperatures low humidity force species seek shelter from cooler humid microhabitats, sensitive desiccation. However, distribution associated with complex combination environmental climatic factors.