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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 guam1Common253
Grimy marrentillGrimy marrentill1Common403
Grimy tarrominGrimy tarromin1Common27
Grimy harralanderGrimy harralander1Common84
Grimy ranarrGrimy ranarr1Uncommon3,136
Grimy iritGrimy irit1Uncommon3,796
Grimy avantoeGrimy avantoe1Uncommon1,836
Grimy kwuarmGrimy kwuarm1Uncommon5,551
Grimy cadantineGrimy cadantine1Rare3,641
Grimy lantadymeGrimy lantadyme1Rare3,550
Grimy dwarf weedGrimy dwarf weed1Rare2,783
Eye of newtEye of newt1Common8
Limpwurt rootLimpwurt root1Common2,833
Snape grassSnape grass1Common25
Red spiders' eggsRed spiders' eggs1Common1,831
Unicorn horn dustUnicorn horn dust1Common294
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common228
Swamp weedSwamp weed1–8Common426–3,408
Candle lantern (empty)Candle lantern (empty)1Uncommon211
CandleCandle1Rare505
Bronze gauntletsBronze gauntlets1Rare842
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 guam1Common253
Grimy marrentillGrimy marrentill1Common403
Grimy tarrominGrimy tarromin1Common27
Grimy harralanderGrimy harralander1Common84
Grimy ranarrGrimy ranarr1Uncommon3,136
Grimy iritGrimy irit1Uncommon3,796
Grimy avantoeGrimy avantoe1Uncommon1,836
Grimy kwuarmGrimy kwuarm1Uncommon5,551
Grimy cadantineGrimy cadantine1Uncommon3,641
Grimy lantadymeGrimy lantadyme1Rare3,550
Grimy dwarf weedGrimy dwarf weed1Rare2,783
Water runeWater rune1–167Common25–4,175
Earth runeEarth rune1–147Common20–2,940
Fire runeFire rune1–148Uncommon78–11,544
Nature runeNature rune1–8Uncommon437–3,496
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common426–3,408
Water battlestaffWater battlestaff1Rare8,366
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]842
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 sapphire1Common1,004
Uncut emeraldUncut emerald1Common2,350
Uncut rubyUncut ruby1Common2,276
Uncut diamondUncut diamond1Common4,049
Uncut diamondUncut diamond45–55 (noted)Rare182,205–222,695
Loop half of a keyLoop half of a key1Common18,785
Tooth half of a keyTooth half of a key1Common22,752
Uncut dragonstoneUncut dragonstone1Uncommon12,959
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare583,155–712,745
Dragon longswordDragon longsword1Common57,458
Dragon spearDragon spear1Rare36,450
BattlestaffBattlestaff180–220 (noted)Rare1,042,920–1,274,680
Rune javelinRune javelin5Rare885
Rune platebodyRune platebody1Uncommon37,609
Rune platebodyRune platebody15–25 (noted)Rare564,135–940,225
Shield left halfShield left half1Rare64,159
Dragon helmDragon helm1Uncommon59,027
Rune arrowheads 5Rune arrowheads113–137Common23,843–28,907
Onyx bolts 5Onyx bolts135–165Very rare1,070,415–1,308,285
Chaos talismanChaos talisman1Rare1,373
Nature talismanNature talisman1Rare1,169
Water talismanWater talisman65–82 (noted)Rare443,105–558,994
Earth talismanEarth talisman65–82 (noted)Rare108,290–136,612
Fire talismanFire talisman25–35 (noted)Rare37,675–52,745
Raw lobsterRaw lobster135–165 (noted)Common28,215–34,485
Raw sharkRaw shark225–275 (noted)Uncommon339,975–415,525
Big bonesBig bones72–90 (noted)Uncommon17,496–21,870
Dragon bonesDragon bones180–220 (noted)Rare339,480–414,920
CoalCoal200–1,100 (noted)Uncommon28,400–156,200
Gold oreGold ore90–110 (noted)Common15,570–19,030
Adamantite oreAdamantite ore180–220 (noted)Uncommon219,600–268,400
Adamant barAdamant bar14–16 (noted)Common43,694–49,936
Adamant barAdamant bar135–165 (noted)Rare421,335–514,965
Runite oreRunite ore90–110 (noted)Rare1,032,480–1,261,920
Rune barRune bar(noted)Common41,475
Rune barRune bar45–55 (noted)Rare622,125–760,375
Grimy torstolGrimy torstol90–110 (noted)Uncommon394,200–481,800
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon238,230–291,170
Super restore (4)Super restore (4)45–55 (noted)Uncommon244,395–298,705
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon180,315–220,385
Lantadyme seed 5Lantadyme seed14–16Uncommon8,288–9,472
Dwarf weed seed 5Dwarf weed seed14–16Uncommon7,602–8,688
Magic seed 5Magic seed4Uncommon429,492
Palm tree seed 5Palm tree seed10Rare1,723,790
FlaxFlax450–550 (noted)Common22,050–26,950
Molten glassMolten glass45–55 (noted)Common13,905–16,995
Soft claySoft clay450–550 (noted)Uncommon243,000–297,000
Yew logsYew logs68–82Uncommon13,600–16,400
Yew logsYew logs675–825 (noted)Rare135,000–165,000
Teak plankTeak plank45–55 (noted)Uncommon41,850–51,150
Mahogany plankMahogany plank270–330 (noted)Rare507,600–620,400
Blurberry specialBlurberry special1Uncommon2,088
Vecna skullVecna skull1Very rare*241,446
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,885,212,297
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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