Linked from
The 6 pages that link to Raptorial leg, each with the reason it gives.
Insect legBroader topic: Praying mantises use enlarged forelegs to capture prey.
NotonectidaeBroader topic: The front legs help a backswimmer grasp prey during feeding.
ReduviidaeBroader topic: Some assassin bugs grasp prey with forelegs while piercing it.
MantophasmatidaeRelated: Heelwalkers capture prey with spiny forelegs adapted for grasping.
NepomorphaRelated: Water scorpions use grasping forelegs to capture aquatic prey.