Darkness induces mobility, and saturation deficit limits questing duration, in the tick Ixodes ricinus Export

@article{citeulike:6083163, abstract = {The behaviour of Ixodes ricinus nymphs was recorded in 10-day experiments using computer-assisted video-tracking, in the absence of any host stimuli. These ticks switch spontaneously from questing in a desiccating atmosphere to quiescence in a water-saturated atmosphere after dark. Quantification of both questing and quiescence duration demonstrates that questing duration is inversely related to saturation deficit whereas quiescence duration is not. Distance walked after quiescence increased with desiccating conditions, while the distance walked after questing remained unchanged. Almost all locomotor activities of I. ricinus occurred during darkness under either a 14 h:10 h L:D or a 8 h:4 h L:D cycle. We established that all life stages of I. ricinus are equipped to sense shifts in light intensity with bilaterally placed strings of photoreceptors. This permits I. ricinus to use onset of darkness to trigger mobility when desiccation risk is reduced in nature. 10.1242/jeb.00345}, author = {Perret, Jean-Luc and Guerin, Patrick M. and Diehl, Peter A. and Vlimant, Michele and Gern, Lise}, citeulike-article-id = {6083163}, citeulike-linkout-0 = {http://dx.doi.org/10.1242/jeb.00345}, citeulike-linkout-1 = {http://jeb.biologists.org/content/206/11/1809.abstract}, citeulike-linkout-2 = {http://jeb.biologists.org/content/206/11/1809.full.pdf}, citeulike-linkout-3 = {http://view.ncbi.nlm.nih.gov/pubmed/12728002}, citeulike-linkout-4 = {http://www.hubmed.org/display.cgi?uids=12728002}, day = {1}, doi = {10.1242/jeb.00345}, journal = {J Exp Biol}, keywords = {habitat, ixodes, photoperiod, saturation, ticks}, month = {June}, number = {11}, pages = {1809--1815}, posted-at = {2009-11-07 20:44:53}, priority = {2}, title = {Darkness induces mobility, and saturation deficit limits questing duration, in the tick Ixodes ricinus}, url = {http://dx.doi.org/10.1242/jeb.00345}, volume = {206}, year = {2003} }

TY - JOUR ID - citeulike:6083163 L3 - citeulike-article-id:6083163 N2 - The behaviour of Ixodes ricinus nymphs was recorded in 10-day experiments using computer-assisted video-tracking, in the absence of any host stimuli. These ticks switch spontaneously from questing in a desiccating atmosphere to quiescence in a water-saturated atmosphere after dark. Quantification of both questing and quiescence duration demonstrates that questing duration is inversely related to saturation deficit whereas quiescence duration is not. Distance walked after quiescence increased with desiccating conditions, while the distance walked after questing remained unchanged. Almost all locomotor activities of I. ricinus occurred during darkness under either a 14 h:10 h L:D or a 8 h:4 h L:D cycle. We established that all life stages of I. ricinus are equipped to sense shifts in light intensity with bilaterally placed strings of photoreceptors. This permits I. ricinus to use onset of darkness to trigger mobility when desiccation risk is reduced in nature. 10.1242/jeb.00345 IS - 11 JF - J Exp Biol EP - 1815 TI - Darkness induces mobility, and saturation deficit limits questing duration, in the tick Ixodes ricinus VL - 206 SP - 1809 KW - habitat KW - ixodes KW - photoperiod KW - saturation KW - ticks AU - Perret, Jean-Luc AU - Guerin, Patrick AU - Diehl, Peter AU - Vlimant, Michele AU - Gern, Lise PY - 2003/06/01/ UR - http://dx.doi.org/10.1242/jeb.00345 ER -