From Pathfinder Bestiary, which isn't enabled.

Web Lurker

CREATURE 3

Web lurkers, known also as ettercaps, are ugly monsters that not only dwell within the lairs of spiders and swarms, but actively cultivate and shepherd such vermin.

Perception +10; darkvision, tremorsense (imprecise) 30 feet

Languages Aklo; spider speak

Skills Acrobatics +9, Athletics +9, Crafting +8 (+12 to Craft Traps and Snares), Stealth +11

Str +4, Dex +4, Con +3, Int +1, Wis +3, Cha -1

Tremorsense (Imprecise) 30 feet (Creatures Touching its Web)

Tremorsense allows a monster to feel the vibrations through a solid surface caused by movement. It is an imprecise sense with a limited range (listed in the ability). Tremorsense functions only if the monster is on the same surface as the subject, and only if the subject is moving along (or burrowing through) the surface.

Spider Speak

The web lurker can speak with spiders, with the same effects and limitations as Speak with Animals.

AC 19; Fort +10, Ref +11, Will +8

HP 45

Spring upon Prey

Trigger A creature touches the web lurker's web while the web lurker is on it.

Requirements Initiative has not yet been rolled.

Effect The web lurker automatically notices the creature and Strides or Climbs before rolling initiative.

Speed 25 feet, climb 25 feet

Melee Fangs +11 (poison), Damage 1d8+6 piercing plus Web Lurker Venom

Melee Claw +11 (agile, unarmed), Damage 1d8+6 slashing

Melee Web +11, Damage plus Web Trap

Web Lurker Venom (poison)

Saving Throw DC 19 Fortitude

Maximum Duration 10 rounds

Stage 1 1d6 poison damage and Off-Guard (1 round)

Stage 2 1d6 poison damage, off-guard, and Slowed 1 (1 round)

Web Trap

A creature hit by the web lurker's web attack is Immobilized and stuck to the nearest surface until it succeeds at DC 20 Acrobatics check to Escape.

Pathfinder BestiaryOGL