In some ways, I think it's inaccurate to call this a spiderlike creature.
In the semidarkness, spiderlike creatures were climbing about, apparently tending the growth.
Here were also a spiderlike creature with its prey still caught between its jaws, and a pair of crane flies preserved while mating.
Obsessed with creating life, he begins drifting into dementia, putting himself and his family in grave danger as the sandkings, little spiderlike creatures, turn more ominous.
In the courtyard a spiderlike creature of roughly human proportions but with an abundance of hairy legs and other appendages moved swiftly, almost nervously about.
At last, Odo had become a huge, grotesque, spiderlike creature with ten slender legs, each terminating in three-fingered hands.
At that moment, six feet above them, a ten-legged, black, spiderlike creature with a body about four inches in diameter walked unnoticed to the edge of the canopy.
No good--before anyone could eventhink to react, the man's movements stopped, and the suspiciously spiderlike creature scuttled away into the darkness at floor level.
Dust mites are tiny spiderlike creatures (arachnids) that feed mostly on flakes of dead human skin.
Barclay offhandedly mentions that he has never had a problem with spiders (in a later episode, "Genesis", Barclay de-evolves into a spiderlike creature).