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The locomotory rhythmic activity in scorpions: with a review

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Author(s): Michael R. Warburg

Journal: Arthropods
ISSN 2224-4255

Volume: 2;
Issue: 3;
Start page: 95;
Date: 2013;
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Keywords: Scorpiones | diel locomotory rhythm | thermal 'Zeitgeber'

ABSTRACT
Locomotory rhythmic behavior is entrained by the change between photophase and skotophase and to some extent by thermal conditions. In many species studied most activity takes place during early night hours. Some species show completely a nocturnal activity pattern, whereas a few species are entirely diurnal. There does not appear to be a pattern related to the timing and extent of the photophase. Except perhaps for Leiurus quinquestriatus (Hemprich and Ehrenberg, 1829) which appears to be less active at the highest temperature. This subject was studied in 30 species of scorpions most of them buthids (53.3%), that were studied so far in 42 different studies.
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