鋏角

Chelicera

雌成虫の鋏角

Chelicera of adult female is composed of a movable digit and a fixed digit with several distinct and indistinct teeth (鋸歯).

雄成虫の鋏角

Chelicera of adult male has a movable digit with a "spermatodactyl (担精指)" and a fixed digit. The spermatodactyl is used for sperm transfer, to suck sperm from "genital opening (精口)" on the sterno-genital shield of male, and to inject sperm into "sperm induction pore (導精口)" on a side of female body.