The
cuticular invagination at the distal end of the genuflexor
sclerite that is adjacent to (articulates with) the outerwall of the
tibia.
written by: Földvári, M., I. Mikó, J. Ulmer, T. dos Santos Rolo, S. Csősz, A. Pomiankowski, T. Baumbach, and T. van de Kamp. 2019. Universal locking mechanisms in insect legs: jumping and grasping. Insect Systematics and Diversity .