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Diel activity of Ixodes ricinus Acari: Ixodidæ at two locations near Stockholm, Sweden
Uppsala University, Music and Museums, Museum of Evolution.
1997 (English)In: Experimental and Applied Acarology, ISSN 0168-8162, Vol. 21, no 4, 247-255 p.Article in journal (Refereed) Published
Abstract [en]

The diel 'activity', i.e. availability, of Ixodes ricinus larvae, nymphs and adults was investigated in a meadow and a forest habitat near Stockholm during 1991-1993. Generally, the immature ticks were more prevalent in the forest than in the meadow. In the meadow, the mean larval and adult numbers varied significantly between 4 h time intervals with the peak activity from 2300 to 0300 h. In the forest, tick numbers did not differ significantly between time intervals. The association of tick activity with certain meteorological variables was strongest in the meadow, where the mean numbers of all tick stages were negatively correlated with temperature.The relative humidity was positively correlated only with the mean numbers of larvae. In contrast, the larval activity in the forest was positively and negatively correlated with temperature and relative humidity, respectively, while the nymphal and adult activity showed no association with these climatic variables. The impact of host activity on tick diel activity is also discussed.

Place, publisher, year, edition, pages
1997. Vol. 21, no 4, 247-255 p.
Keyword [en]
diel abundance; activity; temperature; Ixodes ricinus; ticks; Acari
National Category
URN: urn:nbn:se:uu:diva-83881OAI: oai:DiVA.org:uu-83881DiVA: diva2:111789

Addresses: UPPSALA UNIV, Evolutionsmuseet, Norbyvägen 16, SE-75236 UPPSALA, SWEDEN.

Available from: 2008-07-15 Created: 2008-07-15 Last updated: 2015-03-30

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