While many spiders will never attack animals larger than themselves, some-e.g., Atrax robustus-exhibit a rather aggressive behavior and will stand their ground when approached by larger animals.
When he and Dr. Sommers search the basement, a spider gets in and almost attacks them, but they stun it with a fire extinguisher and lock it in the basement.
The spider lurks in the funnel until a small invertebrate happens to get trapped in the web, at which point the spider runs out and attacks it.
If they take too long, the spider will hatch and attack the trees until the wisp kills them.
Having freed Larklight from the spiders, the protagonists visit Earth, where a gigantic mechanical spider is attacking London (another reference to The War of the Worlds).
The spiders attacked the ship OLDER WILL In all the years since, the spiders have never re-surfaced.
The spider, with absurd and disturbing delicacy, crawled around the turn of the ledge and attacked.
The moth and the spider attacked each other in an extraordinary blur of violent motion, each thrust and parry too fast to see.
If an enemy crossed through, the spiders would animate and attack, and alarms would be sounded all throughout the Academy.
Spider venom is normally intended for prey items though the spider will attack humans if provoked.