CLASPER
clasper: translation
Appendage, including antenna, modified for holding female during copulation; or an organ for fixation in parasites [McLaughlin, 1980].
Appendage, including antenna, that serves for attachment in copulation or as organ for fixation in parasites [Moore and McCormick, 1969].
(Order Diplostraca):
Modified first and occasionally also second pair of trunk appendages in male; distal endites elongated and hook-like. Serves in grasping female during copulation [Stachowitsch, 1992].
(Order Anostraca):
Term applied to well-developed antennae in male; used to clasp famale during copulation [Stachowitsch, 1992].