Cave bug

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This article is about the monster in the Lumbridge Swamp caves. For the monster in the Fremennik Slayer Dungeon, see Cave crawler.
Cave bug icon.png

Cave bugs can be assigned as Slayer assignments, and require level 7 Slayer to kill. Bring food if you are below level 20, as they regenerate quickly.

Locations[edit | edit source]

Cave bugs in the Chaos tunnels

Drops (level 8)[edit | edit source]

Main drop[drops 1][edit | edit source]

Item Quantity Rarity[d - 1] GE price
Grimy guam.pngGrimy guam110/128343
Grimy marrentill.pngGrimy marrentill17/128375
Grimy tarromin.pngGrimy tarromin15/12831
Grimy harralander.pngGrimy harralander14/12869
Grimy ranarr.pngGrimy ranarr13/1281,536
Grimy irit.pngGrimy irit12/1283,889
Grimy avantoe.pngGrimy avantoe12/128756
Grimy kwuarm.pngGrimy kwuarm12/1285,808
Grimy cadantine.pngGrimy cadantine11/1282,850
Grimy lantadyme.pngGrimy lantadyme11/1284,070
Grimy dwarf weed.pngGrimy dwarf weed11/1283,966
Eye of newt.pngEye of newt12/1286
Limpwurt root.pngLimpwurt root11/1281,167
Snape grass.pngSnape grass11/12847
Red spiders' eggs.pngRed spiders' eggs11/1281,808
Unicorn horn dust.pngUnicorn horn dust12/128417
Water rune.pngWater rune1–164/12819–304
Earth rune.pngEarth rune1–161/12816–256
Nature rune.pngNature rune1–82/128433–3,464
Coins 5.pngCoins3–89/1283–8
Tinderbox.pngTinderbox13/128165
Candle lantern (empty).pngCandle lantern (empty)11/128195
Candle.pngCandle14/128403
Swamp weed.pngSwamp weed1–8Common532–4,256
  1. ^ Estimated based on 2,258 kills from the RuneMetrics drop logging project.

Drops (level 12)[edit | edit source]

Charms[edit | edit source]

No charmGold charm.pngGreen charm.pngCrimson charm.pngBlue charm.png
51–55%6–7%35–38%3–4%0.6–1.2%
Represents a 90% confidence range based on a sample of 2,178 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Main drop[edit | edit source]

RuneMetrics icon.png
This drop table may not have accurate data due to a low kill count.
You can submit your data to the RuneMetrics project or edit this page to improve it.
Item Quantity Rarity[d - 1] GE price
Grimy guam.pngGrimy guam14/128343
Grimy marrentill.pngGrimy marrentill13/128375
Grimy tarromin.pngGrimy tarromin12/12831
Grimy harralander.pngGrimy harralander12/12869
Grimy ranarr.pngGrimy ranarr11/1281,536
Grimy irit.pngGrimy irit1Unknown3,889
Grimy avantoe.pngGrimy avantoe11/128756
Grimy kwuarm.pngGrimy kwuarm11/2565,808
Grimy cadantine.pngGrimy cadantine11/2562,850
Grimy lantadyme.pngGrimy lantadyme11/2564,070
Grimy dwarf weed.pngGrimy dwarf weed1Unknown3,966
Water rune.pngWater rune1–1672/12819–3,173
Earth rune.pngEarth rune1–1472/12816–2,352
Fire rune.pngFire rune1–1485/12868–10,064
Coins 25.pngCoins1–3829/1281–38
Water battlestaff.pngWater battlestaff1Unknown8,409
Rare drop table.pngRare drop table1Very rareNot sold
Swamp weed.pngSwamp weed1–8Common532–4,256
  1. ^ Estimated based on 153 kills from the RuneMetrics drop logging project.

Tertiary drops[edit | edit source]

Item Quantity Rarity[d - 1] GE price
Sealed clue scroll (easy).pngSealed clue scroll (easy)1RareNot sold
Tiny plated bronze salvage.pngTiny plated bronze salvage1Unknown[drops 2]33
Spirit sapphire.pngSpirit sapphire15/2000Not sold
Spirit emerald.pngSpirit emerald13/2000Not sold
Spirit ruby.pngSpirit ruby12/2000Not sold
Starved ancient effigy.pngStarved ancient effigy1Very rareNot sold
  1. ^ Estimated based on 153 kills from the RuneMetrics drop logging project.

Rare drop table[edit | edit source]

This monster has access to the rare drop table.
Luck-enhancing items such as a ring of wealth or luck of the dwarves are not required to access the table.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 250.pngCoins250–500Common250–500
Uncut sapphire.pngUncut sapphire1Common452
Uncut emerald.pngUncut emerald1Common1,589
Uncut ruby.pngUncut ruby1Common1,238
Uncut diamond.pngUncut diamond1Common2,975
Uncut diamond.pngUncut diamond45–55 (noted)Rare133,875–163,625
Loop half of a key.pngLoop half of a key1Common13,653
Tooth half of a key.pngTooth half of a key1Common13,288
Uncut dragonstone.pngUncut dragonstone1Uncommon12,314
Uncut dragonstone.pngUncut dragonstone45–55 (noted)Rare554,130–677,270
Dragon longsword.pngDragon longsword1Common57,435
Dragon spear.pngDragon spear1Rare36,043
Battlestaff.pngBattlestaff180–220 (noted)Rare1,122,300–1,371,700
Rune javelin.pngRune javelin5Rare910
Huge plated rune salvage.pngHuge plated rune salvage1Uncommon38,992
Huge plated rune salvage.pngHuge plated rune salvage15–25 (noted)Rare584,880–974,800
Shield left half.pngShield left half1Rare64,346
Dragon helm.pngDragon helm1Uncommon58,845
Rune arrowheads 5.pngRune arrowheads113–137Common16,724–20,276
Onyx bolts 5.pngOnyx bolts135–165Very rare1,065,825–1,302,675
Chaos talisman.pngChaos talisman1Rare986
Nature talisman.pngNature talisman1Rare990
Water talisman.pngWater talisman65–82 (noted)Rare507,000–639,600
Earth talisman.pngEarth talisman65–82 (noted)Rare141,050–177,940
Fire talisman.pngFire talisman25–35 (noted)Rare47,325–66,255
Raw lobster.pngRaw lobster135–165 (noted)Common20,520–25,080
Raw shark.pngRaw shark225–275 (noted)Uncommon218,475–267,025
Big bones.pngBig bones68–82 (noted)Uncommon13,600–16,400
Dragon bones.pngDragon bones180–220 (noted)Rare326,160–398,640
Coal stone spirit.pngCoal stone spirit200–1,100Uncommon20,400–112,200
Gold stone spirit.pngGold stone spirit90–110Common25,380–31,020
Adamantite stone spirit.pngAdamantite stone spirit180–220Uncommon78,840–96,360
Adamantite stone spirit.pngAdamantite stone spirit14–16Common6,132–7,008
Adamantite stone spirit.pngAdamantite stone spirit135–165Rare59,130–72,270
Runite stone spirit.pngRunite stone spirit90–110Rare146,700–179,300
Runite stone spirit.pngRunite stone spirit3Common4,890
Runite stone spirit.pngRunite stone spirit45–55Rare73,350–89,650
Grimy torstol.pngGrimy torstol90–110 (noted)Uncommon318,510–389,290
Grimy snapdragon.pngGrimy snapdragon90–110 (noted)Uncommon86,760–106,040
Super restore (4).pngSuper restore (4)45–55 (noted)Uncommon121,545–148,555
Prayer potion (4).pngPrayer potion (4)45–55 (noted)Uncommon106,065–129,635
Lantadyme seed 5.pngLantadyme seed14–16Uncommon2,576–2,944
Dwarf weed seed 5.pngDwarf weed seed14–16Uncommon4,326–4,944
Magic seed 5.pngMagic seed4Uncommon170,604
Palm tree seed 5.pngPalm tree seed10Rare482,450
Flax.pngFlax450–550 (noted)Common31,050–37,950
Molten glass.pngMolten glass45–55 (noted)Common7,020–8,580
Soft clay.pngSoft clay450–550 (noted)Uncommon188,550–230,450
Yew logs.pngYew logs68–82 (noted)Uncommon8,840–10,660
Yew logs.pngYew logs675–825 (noted)Rare87,750–107,250
Teak plank.pngTeak plank45–55 (noted)Uncommon19,665–24,035
Mahogany plank.pngMahogany plank270–330 (noted)Rare249,210–304,590
Blurberry Special.pngBlurberry Special1Very rare[v 1]8,517
Cheese+tom batta.pngCheese+tom batta1Very rare[v 2]381
Vecna skull.pngVecna skull1Rare[v 3]189,188
Hazelmere's signet ring.pngHazelmere's signet ring1Very rare[v 4]2,138,409,151
Brawling gloves (Melee).pngBrawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic).pngBrawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged).pngBrawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility).pngBrawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking).pngBrawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM).pngBrawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing).pngBrawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter).pngBrawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining).pngBrawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer).pngBrawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing).pngBrawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving).pngBrawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC).pngBrawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1.pngCrystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2.pngCrystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3.pngCrystal triskelion fragment 31Very rareNot sold
  1. ^ Indicates a failed 1/10 roll for Hazelmere's signet ring.
  2. ^ Indicates a roll for Hazelmere's signet ring without tier 4 luck.
  3. ^ Requires tier 4 luck.
  4. ^ Requires tier 4 luck. Rarer than the vecna skull.

Universal drops[edit | edit source]

Universal drops are dropped by nearly every monster outside of Daemonheim.
These items are dropped alongside main drops.
Item Quantity Rarity GE price
Key token.pngKey token1RareNot sold
Mimic kill token.pngMimic kill token1Very rare5,105

Trivia[edit | edit source]

  • Although this monster appears on Free-to-play worlds in the Taverley Slayer Dungeon, it cannot be killed because it requires a Slayer level of 7, while free players can only reach level 5.
  • The large level 18 cave bugs were level 96 before the Evolution of Combat.
  • When a level 18 cave bug is killed, it appears to fall apart and explode.


Cite error: <ref> tags exist for a group named "drops", but no corresponding <references group="drops"/> tag was found, or a closing </ref> is missing

Facts about "Cave bug"
All Combat experience0 +, 27.6 + and 30.9 +
All Combat level8 + and 12 +
All Is members onlytrue +
All NPC ID1,832 + and 5,750 +
All Release dateMarch 14, 2005 + and March 20, 2007 +
Assigned byFile:Turael chathead.png +
Combat experience0 +
Combat experience127.6 +
Combat experience230.9 +
Combat level18 +
Combat level212 +
Drop JSON{ "name": "Grimy guam", "quantity": [1,1], "rarity": "10/128" } +, { "name": "Grimy marrentill", "quantity": [1,1], "rarity": "7/128" } +, { "name": "Grimy tarromin", "quantity": [1,1], "rarity": "5/128" } +, { "name": "Grimy harralander", "quantity": [1,1], "rarity": "4/128" } +, { "name": "Grimy ranarr", "quantity": [1,1], "rarity": "3/128" } +, { "name": "Grimy irit", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Grimy avantoe", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Grimy kwuarm", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Grimy cadantine", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Grimy lantadyme", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Grimy dwarf weed", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Eye of newt", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Limpwurt root", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Snape grass", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Red spiders' eggs", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Unicorn horn dust", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Water rune", "quantity": [1,16], "rarity": "4/128" } +, { "name": "Earth rune", "quantity": [1,16], "rarity": "1/128" } +, { "name": "Nature rune", "quantity": [1,8], "rarity": "2/128" } +, { "name": "Coins", "quantity": [3,8], "rarity": "9/128", "gemw": false } +, { "name": "Tinderbox", "quantity": [1,1], "rarity": "3/128" } +, { "name": "Candle lantern (empty)", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Candle", "quantity": [1,1], "rarity": "4/128" } +, { "name": "Swamp weed", "quantity": [1,8], "rarity": "Common" } +, { "name": "Grimy guam", "quantity": [1,1], "rarity": "4/128" } +, { "name": "Grimy marrentill", "quantity": [1,1], "rarity": "3/128" } +, { "name": "Grimy tarromin", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Grimy harralander", "quantity": [1,1], "rarity": "2/128" } +, { "name": "Grimy ranarr", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Grimy irit", "quantity": [1,1], "rarity": "Unknown" } +, { "name": "Grimy avantoe", "quantity": [1,1], "rarity": "1/128" } +, { "name": "Grimy kwuarm", "quantity": [1,1], "rarity": "1/256" } +, { "name": "Grimy cadantine", "quantity": [1,1], "rarity": "1/256" } +, { "name": "Grimy lantadyme", "quantity": [1,1], "rarity": "1/256" } +, { "name": "Grimy dwarf weed", "quantity": [1,1], "rarity": "Unknown" } +, { "name": "Water rune", "quantity": [1,167], "rarity": "2/128" } +, { "name": "Earth rune", "quantity": [1,147], "rarity": "2/128" } +, { "name": "Fire rune", "quantity": [1,148], "rarity": "5/128" } +, { "name": "Coins", "quantity": [1,38], "rarity": "29/128", "gemw": false } +, { "name": "Water battlestaff", "quantity": [1,1], "rarity": "Unknown" } +, { "name": "Rare drop table", "quantity": [1,1], "rarity": "Very rare", "gemw": false } +, { "name": "Sealed clue scroll (easy)", "quantity": [1,1], "rarity": "Rare", "gemw": false } +, { "name": "Tiny plated bronze salvage", "quantity": [1,1], "rarity": "Unknown" } +, { "name": "Spirit sapphire", "quantity": [1,1], "rarity": "5/2000", "gemw": false } +, { "name": "Spirit emerald", "quantity": [1,1], "rarity": "3/2000", "gemw": false } +, { "name": "Spirit ruby", "quantity": [1,1], "rarity": "2/2000", "gemw": false } +, { "name": "Starved ancient effigy", "quantity": [1,1], "rarity": "Very rare", "gemw": false } +, { "name": "Vecna skull", "quantity": [1,1], "rarity": "Rare" } +, { "name": "Key token", "quantity": [1,1], "rarity": "Rare", "gemw": false } + and { "name": "Mimic kill token", "quantity": [1,1], "rarity": "Very rare" } +
Drops itemGrimy guam +, Grimy marrentill +, Grimy tarromin +, Grimy harralander +, Grimy ranarr +, Grimy irit +, Grimy avantoe +, Grimy kwuarm +, Grimy cadantine +, Grimy lantadyme +, Grimy dwarf weed +, Eye of newt +, Limpwurt root +, Snape grass +, Red spiders' eggs +, Unicorn horn dust +, Water rune +, Earth rune +, Nature rune +, Coins +, Tinderbox +, Candle lantern (empty) +, Candle +, Swamp weed +, Fire rune +, Water battlestaff +, Rare drop table +, Sealed clue scroll (easy) +, Tiny plated bronze salvage +, Spirit sapphire +, Spirit emerald +, Spirit ruby +, Starved ancient effigy +, Vecna skull +, Key token + and Mimic kill token +
Drops item from RDTCoins +, Uncut sapphire +, Uncut emerald +, Uncut ruby +, Uncut diamond +, Loop half of a key +, Tooth half of a key +, Uncut dragonstone +, Dragon longsword +, Dragon spear +, Battlestaff +, Rune javelin +, Huge plated rune salvage +, Shield left half +, Dragon helm +, Rune arrowheads +, Onyx bolts +, Chaos talisman +, Nature talisman +, Water talisman +, Earth talisman +, Fire talisman +, Raw lobster +, Raw shark +, Big bones +, Dragon bones +, Coal stone spirit +, Gold stone spirit +, Adamantite stone spirit +, Runite stone spirit +, Grimy torstol +, Grimy snapdragon +, Super restore (4) +, Prayer potion (4) +, Lantadyme seed +, Dwarf weed seed +, Magic seed +, Palm tree seed +, Flax +, Molten glass +, Soft clay +, Yew logs +, Teak plank +, Mahogany plank +, Blurberry Special +, Cheese+tom batta +, Hazelmere's signet ring +, Brawling gloves (Melee) +, Brawling gloves (Magic) +, Brawling gloves (Ranged) +, Brawling gloves (Agility) +, Brawling gloves (Cooking) +, Brawling gloves (FM) +, Brawling gloves (Fishing) +, Brawling gloves (Hunter) +, Brawling gloves (Mining) +, Brawling gloves (Prayer) +, Brawling gloves (Smithing) +, Brawling gloves (Thieving) +, Brawling gloves (WC) +, Crystal triskelion fragment 1 +, Crystal triskelion fragment 2 + and Crystal triskelion fragment 3 +
Drops item variantCandle lantern (empty) + and Sealed clue scroll (easy) +
Drops item variant from RDTSuper restore (4) +, Prayer potion (4) +, Brawling gloves (Melee) +, Brawling gloves (Magic) +, Brawling gloves (Ranged) +, Brawling gloves (Agility) +, Brawling gloves (Cooking) +, Brawling gloves (FM) +, Brawling gloves (Fishing) +, Brawling gloves (Hunter) +, Brawling gloves (Mining) +, Brawling gloves (Prayer) +, Brawling gloves (Smithing) +, Brawling gloves (Thieving) + and Brawling gloves (WC) +
Is members onlytrue +
Location restrictionsurface +
Monster JSON{"ranged":6,"defence"
{"ranged":6,"defence":6,"immune_to_stun":false,"slayer_category":"Cave bugs","armour":160,"assigned_by":"[[File:turael chathead.png¦30px¦link=turael]]","id":1832,"max_ranged":24,"max_melee":0,"name":"Cave bug","immune_to_deflect":false,"acc_magic":0,"acc_ranged":160,"aff_ranged":55,"immune_to_drain":false,"slayer_experience":7,"experience":27.6,"acc_melee":0,"max_spec":0,"release_date":"14 March 2005","lifepoints":300,"immune_to_poison":false,"poisonous":false,"magic":1,"level":8,"weakness":"[[File:Crush weakness icon.png¦25px¦link=Crush weapons]]","members":"Yes","max_magic":0,"style":"[[File:Ranged-icon.png¦25px¦link=Ranged]]","aff_melee":65,"aff_weakness":90,"release_update_post":"Lumbridge Swamp Caves","slayer":7,"aggressive":false,"examine":"A nasty crawling critter.","aff_magic":45,"attack":1,"version":"8"}
#34;:1,"version":"8"} + and {"ranged":9,"defence"
{"ranged":9,"defence":9,"immune_to_stun":false,"slayer_category":"Cave bugs","armour":191,"assigned_by":"[[File:turael chathead.png¦30px¦link=turael]]","id":5750,"max_ranged":36,"max_melee":0,"name":"Cave bug","immune_to_deflect":false,"acc_magic":0,"acc_ranged":191,"aff_ranged":55,"immune_to_drain":false,"slayer_experience":8,"experience":30.9,"acc_melee":0,"max_spec":0,"release_date":"20 March 2007","lifepoints":450,"immune_to_poison":false,"poisonous":false,"magic":1,"level":12,"weakness":"[[File:Crush weakness icon.png¦25px¦link=Crush weapons]]","members":"Yes","max_magic":0,"style":"[[File:Ranged-icon.png¦25px¦link=Ranged]]","aff_melee":65,"aff_weakness":90,"release_update_post":"Dorgesh-Kaan","slayer":7,"aggressive":false,"examine":"A big, smelly cave dweller.","aff_magic":45,"attack":1,"version":"12"}
34;:1,"version":"12"} +
NPC ID11,832 +
NPC ID25,750 +
NPC attack styleFile:Ranged-icon.png +
NPC attack style textranged +
NPC life points300 + and 450 +
Release date1March 14, 2005 +
Release date2March 20, 2007 +
Slayer categoryCave bugs +
Slayer experience7 + and 8 +
Slayer level7 +
Version count2 +
WeaknessFile:Crush weakness icon.png +
Weakness by classmelee +
Weakness textcrush +