Predation in the carabid beetle - Pterostichus coerulescens L.
1986
Mols, P.J.M. (Agricultural University of Wageningen, Wijster (Netherlands). Biological Station)
The parameters: locomotor activity, distribution of walking speed and angular deviation, reaction distance to the prey, success ratio when a prey is encountered, were established in the relation to the relative gut content. Three types of walk can be distinguished: straight walk when the gut is almost empty (less than 10%); normal search (above 10% gut filling); tortous walk when the beetle has consumed a prey
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