Hunting Without a Web: How Lycosoid Spiders Subdue their Prey

摘要: More than half of all spider species hunt prey without a web. To successfully subdue their prey, they use adapted capture behaviour and efficient grasping mechanisms to interrupt the prey's locomotion, restrain it from escaping during subsequent handling for final envenomation. In this study, we investigated how different lycosoid is related leg morphology venom efficiency; using high speed videography, feeding experiments, stereomicroscopy, scanning electron microscopy LD50 bioassays. We found that employed techniques when these differences strongly correlate with distribution size hairy adhesive pads (so-called scopulae on pro- retrolateral parts legs) erectable spines, which act in complementary way. Our results indicate crucial restricting movements. However, none traits directly efficiency.