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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 guam1Common309
Grimy marrentillGrimy marrentill1Common325
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common103
Grimy ranarrGrimy ranarr1Uncommon2,637
Grimy iritGrimy irit1Uncommon3,170
Grimy avantoeGrimy avantoe1Uncommon1,295
Grimy kwuarmGrimy kwuarm1Uncommon5,480
Grimy cadantineGrimy cadantine1Rare2,701
Grimy lantadymeGrimy lantadyme1Rare2,837
Grimy dwarf weedGrimy dwarf weed1Rare1,887
Eye of newtEye of newt1Common7
Limpwurt rootLimpwurt root1Common1,856
Snape grassSnape grass1Common28
Red spiders' eggsRed spiders' eggs1Common1,553
Unicorn horn dustUnicorn horn dust1Common487
Coins 5Coins3–8Common3–8
TinderboxTinderbox1Common293
Swamp weedSwamp weed1–8Common468–3,744
Candle lantern (empty)Candle lantern (empty)1Uncommon207
CandleCandle1Rare603
Bronze gauntletsBronze gauntlets1Rare875
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 guam1Common309
Grimy marrentillGrimy marrentill1Common325
Grimy tarrominGrimy tarromin1Common26
Grimy harralanderGrimy harralander1Common103
Grimy ranarrGrimy ranarr1Uncommon2,637
Grimy iritGrimy irit1Uncommon3,170
Grimy avantoeGrimy avantoe1Uncommon1,295
Grimy kwuarmGrimy kwuarm1Uncommon5,480
Grimy cadantineGrimy cadantine1Uncommon2,701
Grimy lantadymeGrimy lantadyme1Rare2,837
Grimy dwarf weedGrimy dwarf weed1Rare1,887
Water runeWater rune1–167Common26–4,342
Earth runeEarth rune1–147Common20–2,940
Fire runeFire rune1–148Uncommon67–9,916
Nature runeNature rune1–8Uncommon416–3,328
Coins 25Coins1–38Common1–38
Swamp weedSwamp weed1–8Common468–3,744
Water battlestaffWater battlestaff1Rare8,424
Rare drop tableRare drop table1RareNot sold

Tertiary dropsEdit

Item Quantity Rarity GE price
Sealed clue scroll (easy)Sealed clue scroll (easy)1RareNot sold
Bronze gauntletsBronze gauntlets1Rare[1]875
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 250Coins250–500Common250–500
Uncut sapphireUncut sapphire1Common708
Uncut emeraldUncut emerald1Common1,883
Uncut rubyUncut ruby1Common1,564
Uncut diamondUncut diamond1Common3,369
Uncut diamondUncut diamond45–55 (noted)Rare151,605–185,295
Loop half of a keyLoop half of a key1Common16,861
Tooth half of a keyTooth half of a key1Common20,145
Uncut dragonstoneUncut dragonstone1Uncommon11,404
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare513,180–627,220
Dragon longswordDragon longsword1Common57,702
Dragon spearDragon spear1Rare35,213
BattlestaffBattlestaff180–220 (noted)Rare1,092,060–1,334,740
Rune javelinRune javelin5Rare870
Rune platebodyRune platebody1Uncommon37,721
Rune platebodyRune platebody15–25 (noted)Rare565,815–943,025
Shield left halfShield left half1Rare66,914
Dragon helmDragon helm1Uncommon58,554
Rune arrowheads 5Rune arrowheads113–137Common23,278–28,222
Onyx bolts 5Onyx bolts135–165Very rare1,076,490–1,315,710
Chaos talismanChaos talisman1Rare1,458
Nature talismanNature talisman1Rare1,490
Water talismanWater talisman65–82 (noted)Rare455,910–575,148
Earth talismanEarth talisman65–82 (noted)Rare122,720–154,816
Fire talismanFire talisman25–35 (noted)Rare46,425–64,995
Raw lobsterRaw lobster135–165 (noted)Common28,350–34,650
Raw sharkRaw shark225–275 (noted)Uncommon250,200–305,800
Big bonesBig bones68–82 (noted)Uncommon13,260–15,990
Dragon bonesDragon bones180–220 (noted)Rare308,340–376,860
CoalCoal200–1,100 (noted)Uncommon26,600–146,300
Gold oreGold ore90–110 (noted)Common16,290–19,910
Adamantite oreAdamantite ore180–220 (noted)Uncommon233,640–285,560
Adamant barAdamant bar14–16 (noted)Common37,030–42,320
Adamant barAdamant bar135–165 (noted)Rare357,075–436,425
Runite oreRunite ore90–110 (noted)Rare1,085,490–1,326,710
Rune barRune bar(noted)Common41,205
Rune barRune bar45–55 (noted)Rare618,075–755,425
Grimy torstolGrimy torstol90–110 (noted)Uncommon319,410–390,390
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon145,890–178,310
Super restore (4)Super restore (4)45–55 (noted)Uncommon168,165–205,535
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon165,690–202,510
Lantadyme seed 5Lantadyme seed14–16Uncommon9,506–10,864
Dwarf weed seed 5Dwarf weed seed14–16Uncommon9,534–10,896
Magic seed 5Magic seed4Uncommon383,884
Palm tree seed 5Palm tree seed10Rare1,052,210
FlaxFlax450–550 (noted)Common19,350–23,650
Molten glassMolten glass45–55 (noted)Common10,305–12,595
Soft claySoft clay450–550 (noted)Uncommon184,500–225,500
Yew logsYew logs68–82 (noted)Uncommon12,512–15,088
Yew logsYew logs675–825 (noted)Rare124,200–151,800
Teak plankTeak plank45–55 (noted)Uncommon35,685–43,615
Mahogany plankMahogany plank270–330 (noted)Rare379,890–464,310
Blurberry SpecialBlurberry Special1Uncommon4,408
Vecna skullVecna skull1Very rare*355,192
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,967,717,757
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
Mimic kill tokenMimic kill token1Very rare16,455

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.