rare n large beast 

Perception +27; darkvision, scent (precise) [object Object] feet

Languages Common

Skills Athletics +31, Intimidation +27, Survival +27

Str +8 Dex +4 Con +6 Int -2 Wis +6 Cha +4

AC  37; Fort +29, Ref +23, Will +26

HP 275

Attack of Opportunity [R] Stinger only.

Speed 40 feet, climb 20 feet

Melee [>] mandibles +30, Damage 3d10+14 slashing plus

Melee [>] stinger +30 (agile), Damage 3d6+14 piercing plus red ant venom

Grab

Formic Acid Spray [>>] (acid, primal) The red guard ant sprays a 15-foot cone of acid from its abdomen that deals 10d10 acid damage (DC 34 basic Reflex save). It can't use Formic Acid Spray again for 1d4 rounds.

Haul Away [>] Requirements The red guard ant has a Huge or smaller creature grabbed; Effect The ant Strides up to its full Speed, carrying the grabbed creature with it. It's encumbered if the grabbed creature is Large or larger.

Pack Attack A red guard ant deals an additional 2d6 precision damage to any creature within reach of at least two of the ant's allies.

Red Ant Venom (poison) Saving Throw DC 36 Fortitude; Maximum Duration 4 rounds; Stage 1 3d6 poison and enfeebled 1 (1 round); Stage 2 4d6 poison and enfeebled 2 (1 round); Stage 3 6d6 poison and enfeebled 3 (1 round)

Swarming Flank If at least three red guard ants have a creature within their reach, they flank the creature, even if they can't draw a line to each other that passes through opposite sides of the creature's space.

Strength of Thousands #6: Shadows of the Ancients, page 72.