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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.
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Cave bug icon

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.

LocationsEdit

Cave bugs

Cave bugs in the Chaos tunnels

Drops (level 8)Edit

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common343
Grimy marrentillGrimy marrentill1Common306
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common91
Grimy ranarrGrimy ranarr1Uncommon3,029
Grimy iritGrimy irit1Uncommon3,377
Grimy avantoeGrimy avantoe1Uncommon1,697
Grimy kwuarmGrimy kwuarm1Uncommon5,152
Grimy cadantineGrimy cadantine1Rare3,274
Grimy lantadymeGrimy lantadyme1Rare3,008
Grimy dwarf weedGrimy dwarf weed1Rare2,292
Eye of newtEye of newt1Common8
Limpwurt rootLimpwurt root1Common2,412
Snape grassSnape grass1Common20
Red spiders' eggsRed spiders' eggs1Common2,054
Unicorn horn dustUnicorn horn dust1Common406
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common236
Swamp weedSwamp weed1–8Common410–3,280
Candle lantern (empty)Candle lantern (empty)1Uncommon193
CandleCandle1Rare471
Bronze gauntletsBronze gauntlets1Rare1,099
Rare drop tableRare drop table1RareNot sold

Drops (level 12)Edit

CharmsEdit

No charmGold charmGreen charmCrimson charmBlue charm
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).

Only the level 12 Cave Bugs drop charms

Main dropEdit

Item Quantity Rarity GE price
Grimy guamGrimy guam1Common343
Grimy marrentillGrimy marrentill1Common306
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common91
Grimy ranarrGrimy ranarr1Uncommon3,029
Grimy iritGrimy irit1Uncommon3,377
Grimy avantoeGrimy avantoe1Uncommon1,697
Grimy kwuarmGrimy kwuarm1Uncommon5,152
Grimy cadantineGrimy cadantine1Uncommon3,274
Grimy lantadymeGrimy lantadyme1Rare3,008
Grimy dwarf weedGrimy dwarf weed1Rare2,292
Water runeWater rune1–167Common23–3,841
Earth runeEarth rune1–147Common20–2,940
Fire runeFire rune1–148Uncommon97–14,356
Nature runeNature rune1–8Uncommon444–3,552
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common410–3,280
Water battlestaffWater battlestaff1Rare8,293
Rare drop tableRare drop table1RareNot sold

Tertiary dropsEdit

Item Quantity Rarity GE price
Clue scroll (easy)Clue scroll (easy)1RareNot sold
Bronze gauntletsBronze gauntlets1Rare[1]1,099
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold
  1. ^ Drops along with the Water battlestaff drop.

Rare drop tableEdit

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 1000Coins250–500; 3,000Common250–3,000
Uncut sapphireUncut sapphire1Common972
Uncut emeraldUncut emerald1Common2,117
Uncut rubyUncut ruby1Common2,059
Uncut diamondUncut diamond1Common3,832
Uncut diamondUncut diamond45–55 (noted)Rare172,440–210,760
Loop half of a keyLoop half of a key1Common17,932
Tooth half of a keyTooth half of a key1Common21,536
Uncut dragonstoneUncut dragonstone1Uncommon11,239
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare505,755–618,145
Dragon longswordDragon longsword1Common56,646
Dragon spearDragon spear1Rare36,844
BattlestaffBattlestaff180–220 (noted)Rare1,091,520–1,334,080
Rune javelinRune javelin5Rare865
Rune platebodyRune platebody1Uncommon37,756
Rune platebodyRune platebody15–25 (noted)Rare566,340–943,900
Shield left halfShield left half1Rare64,843
Dragon helmDragon helm1Uncommon58,880
Rune arrowheads 5Rune arrowheads113–137Common28,363–34,387
Onyx bolts 5Onyx bolts135–165Very rare1,053,270–1,287,330
Chaos talismanChaos talisman1Rare1,558
Nature talismanNature talisman1Rare1,235
Water talismanWater talisman65–82 (noted)Rare347,035–437,798
Earth talismanEarth talisman65–82 (noted)Rare95,290–120,212
Fire talismanFire talisman25–35 (noted)Rare30,225–42,315
Raw lobsterRaw lobster135–165 (noted)Common24,030–29,370
Raw sharkRaw shark225–275 (noted)Uncommon267,975–327,525
Big bonesBig bones72–90 (noted)Uncommon16,416–20,520
Dragon bonesDragon bones180–220 (noted)Rare281,520–344,080
CoalCoal200–1,100 (noted)Uncommon26,200–144,100
Gold oreGold ore90–110 (noted)Common17,910–21,890
Adamantite oreAdamantite ore180–220 (noted)Uncommon275,940–337,260
Adamant barAdamant bar14–16 (noted)Common41,622–47,568
Adamant barAdamant bar135–165 (noted)Rare401,355–490,545
Runite oreRunite ore90–110 (noted)Rare1,078,740–1,318,460
Rune barRune bar(noted)Common41,964
Rune barRune bar45–55 (noted)Rare629,460–769,340
Grimy torstolGrimy torstol90–110 (noted)Uncommon350,190–428,010
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon235,710–288,090
Super restore (4)Super restore (4)45–55 (noted)Uncommon259,785–317,515
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon183,735–224,565
Lantadyme seed 5Lantadyme seed14–16Uncommon8,288–9,472
Dwarf weed seed 5Dwarf weed seed14–16Uncommon8,428–9,632
Magic seed 5Magic seed4Uncommon406,448
Palm tree seed 5Palm tree seed10Rare1,766,980
FlaxFlax450–550 (noted)Common14,400–17,600
Molten glassMolten glass45–55 (noted)Common11,700–14,300
Soft claySoft clay450–550 (noted)Uncommon249,300–304,700
Yew logsYew logs68–82Uncommon13,464–16,236
Yew logsYew logs675–825 (noted)Rare133,650–163,350
Teak plankTeak plank45–55 (noted)Uncommon34,560–42,240
Mahogany plankMahogany plank270–330 (noted)Rare411,750–503,250
Blurberry specialBlurberry special1Uncommon1,991
Vecna skullVecna skull1Very rare*192,600
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,804,467,420
Brawling gloves (Melee)Brawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM)Brawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC)Brawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1Crystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2Crystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3Crystal triskelion fragment 31Very rareNot sold

Universal dropsEdit

Universal drops are dropped by nearly every monster outside of Daemonheim.
These drops are dropped alongside main drops.
Item Quantity Rarity GE price
Key tokenKey token1RareNot sold

TriviaEdit

  • Although this monster appears on F2P 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.

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