Reproductive Biology

It mates with quick but strenuous action. Male seizes female with his legs and chelicerae, grasping her body but rarely hurting her. The caresses of his legs then so strongly affect her that she falls into a motionless hypnotic state. He then picks her up in his chelicerae and carries her to a suitable location. Next, he lays her on her side and awakens her sexually by stroking underside of her abdomen. Males do this because females will often eat male partners if they are too slow in leaving after mating. Reproduction is through spermatophore, which male produces during courtship, deposits on ground, and transfers into female gonopore with his chelicerae. She digs a deep burrow to deposit egg masses that may contain 5-164 eggs. Females may lay 1-5 egg masses. Eggs take 1-2 days to hatch. Once hatched, young remain in burrow for first two molts. First instar larvae (first "stadium") is non-moving, embryo-like creature that later molts into more active animal that looks like small adult.

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