Editing Hydro Dweevil

|image      = Caustic Dweevil.png

|icon        = Piklopedia Caustic Dweevil.png

|name        = Mandarachnia sulfurnid

|underground = [[Frontier Cavern]], [[Hole of Heroes]], [[Dream Den]]

The '''Caustic Dweevil''' ({{j|ルリショイグモ|Ruri Shoi Gumo|Lapis Lazuli Carrying Spider}}) is a member of the [[Dweevil]] family, a non-aggressive [[enemy]] found in ''[[Pikmin 2]]'' that attacks in self-defense. As is typical of Dweevils, it picks up any [[treasure]] or enemy corpse it can find, only releasing it when [[Pikmin family|Pikmin]] attack. The only offensive measure the beast can take is spraying an acidic bodily fluid that functions identically to [[water]], meaning it chokes and drowns all Pikmin types except [[Blue Pikmin|blue ones]] and [[Bulbmin]], making those the best choice in battle against it.

|weight2 = 3

|carriers2 = 6

|seeds2 = 5<ref group="note">This enemy cannot be delivered to Onions in-game. This information is obtained from the game files.</ref>

|value2 = 2

|hp2 = 150

|regen2 = 0

Caustic Dweevils scurry about randomly and take no note of the presence of any leader or Pikmin if left undisturbed. When provoked one will attempt to defend itself by releasing a pressurized spurt of water below it. Caustic Dweevils are frail creatures and will die quickly if attacked by even a few Pikmin, or by the punches from a leader.

When a treasure or a corpse of another creature is nearby, a Caustic Dweevil will lift it up onto its head and carry it, making it impossible for Pikmin to collect until it is broken free. When a Dweevil has an item in its possession, it will stay at rest, crouching down, appearing as if it is only the item, until it is approached by a leader or Pikmin, at which point it will stand up and run away.

[[Throw]] any type of Pikmin onto a Caustic Dweevil's small head. Although they can harm non-Blue Pikmin, they are weak and often die before getting a chance to attack at all, and this does not kill Pikmin instantly, allowing them to be whistled to safety by a [[leader]] if they do come into contact with the attack. Be aware, however, that depletion of a Dweevil's HP will not stop an oncoming attack, so if one starts its attack animation, be prepared to whistle your Pikmin back. [[Purple Pikmin]] are particularly useful in defeating large numbers of smaller Dweevils with ease, since they stun when thrown, halting any enemy attacks, usually until death.

Alternatively, you can use leaders to defeat the creature in an ultimately safer way. Run up to it and [[punch]] it until it begins its attacking animation, leaving plenty of time to run away before it attacks. Run back and continue the assault when the acid stops.

|common    = Caustic Dweevil. Something that is caustic can corrode living tissue, like acid. The Caustic Dweevil attacks with a [[water]]-like acidic liquid, as pointed out by [[Olimar's notes]].

|scientific = ''Mandarachnia sulfurnid''. It uses the word ''sulfurnid'', referring to {{w|sulfuric acid}}.

|prerelease = Caustic Dweevils were initially called Acidic Dweevils, according to the early English script left unused inside ''Pikmin 2''{{'s}} files.{{cite web|https://tcrf.net/Pikmin_2/Early_English_Script#Names|Pikmin 2/Early English Script|The Cutting Room Floor}}

|Fra  = Araknéak Caustique

|FraM = Caustic Dweevil

|Ita  = Opiliode caustico

|ItaM = Caustic Dweevil

|SpaA = Caustiaraña

|SpaAM= Portmanteau of "caustico" (caustic) and "araña" (spider)

Dweevils E-Card.jpg|The creature's [[e-card]], #41.

*The Caustic Dweevil was planned to be included on the [[2-Player Battle]] Roulette Wheel as an enemy, but was eventually removed. It's paired up with the [[Fiery Dweevil]], and it shares its removal with the [[Spotty Bulbear]] and the [[Antenna Beetle]].