 A female P. schultzi that sees a male may approach slowly or wait . The male then walks erect and displaying by waving his legs and palps . If the female does not run away , she gives a propulsive display first . If the male stands his ground and she does not run away or repeat the propulsive display , he approaches and , if she is mature , they copulate . : 461 @-@ 464 If the female is sub @-@ adult ( one moult from maturity ) , a male may cohabit in the female 's capture web . : 467 Portias usually mate on a web or on a dragline made by the female . : 518 P. schultzi typically copulates for about 100 seconds , : 465 while other genera can take several minutes or even several hours . : 518 : 465 
