 While it more often catches small jumping spiders than larger ones, it is about equally effective with all sizes of web spiders up to twice "P. labiata"′s size.A female "P. labiata" is effective against insects up to twice "P. labiata"′s size when the insect is stuck in a non-salticid's web, and against insects not in webs and up to "P. labiata"′s size, while "P. labiata" seldom pursues or catches a larger insect in the open.A female "P. labiata" very seldom pursues or catches a larger insect in her own web, and is slightly less effective against smaller insects in "P. labiata"′s web than in other situations.