Fen Mosquito SwarmCreature 3
Source Pathfinder Monster Core 2
Perception +8 (darkvision)
Languages none
Skills Acrobatics +6, Stealth +8
Str +0, Dex +4, Con +3, Int -5, Wis +0, Cha -5
AC 18; Fort +8; Reflex +11; Will +5;
HP 30
Speed 5 feet (fly 25 feet)
Immunities precision, swarm mind
Weaknesses Area Damage 5, Splash Damage 5
Resistances Bludgeoning 2, Piercing 5, Slashing 5
Swarm Mind
This monster doesn't have a single mind (typically because it's a swarm of smaller creatures), and is immune to mental effects that target only a specific number of creatures. It is still subject to mental effects that affect all creatures in an area.
Pyrexic Malaria (disease)The victim can't reduce its Sickened condition while it's affected by pyrexic malaria
Saving Throw DC 20 fortitude
Onset 4 days
Stage 1 Sickened 1 (1 day)
Stage 2 Enfeebled 1 and Sickened 1 (1 day)
Stage 3 as stage 2 (1 day)
Stage 4 Unconscious (1 day)
Stage 5 dead
Swarming Bites
Each enemy in the swarm's space takes 1d6 piercing damage (DC 20 reflex save) and is exposed to pyrexic malaria. Creatures that fail the saving throw also take 1d4 bleed.
When deadly fen mosquitoes gather in large numbers, they form into lethal swarms capable of draining blood at a truly alarming rate. Fen mosquito swarms are typically encountered only in tropical swamps or bogs, but during humid months in spring or summer they can drift into riverine areas or even through the waterfront reaches of settlements.
Traits
Anything that doesn't list another rarity trait (uncommon, rare, or unique) automatically has the common trait. This rarity indicates that an ability, item, or spell is available to all players who meet the prerequisites for it. A creature of this rarity is generally known and can be summoned with the appropriate summon spell.
AnimalAn animal is a creature with a relatively low intelligence. It typically doesn't have an Intelligence attribute modifier over –4, can't speak languages, and can't be trained in Intelligence-based skills.
SwarmA swarm is a mass or cloud of creatures that functions as one monster. Its size entry gives the size of the entire mass, though for most swarms the individual creatures that make up that mass are Tiny. A swarm can occupy the same space as other creatures and must do so in order to use its damaging action. A swarm typically has weakness to effects that deal damage over an area (like area spells and splash weapons). Swarms are immune to the grabbed, prone, and restrained conditions.