Cave bug

The nonpoisonous Cave bug is not to be confused with the poisonous Cave crawler.

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

Locations

 * Lumbridge Swamp Caves (lvl 6)
 * Dorgesh-Kaan South Dungeon (lvl 6 &amp; 96)
 * Chaos Tunnels

Runes

 * Water rune (1-22)
 * Earth rune
 * Nature rune (1-2)

Herbs

 * Grimy guam (very common)
 * Grimy marrentill
 * Grimy tarromin
 * Grimy avantoe
 * Grimy kwuarm
 * Grimy cadantine
 * Grimy lantadyme
 * Grimy harralander
 * Grimy ranarr
 * Grimy irit
 * Grimy dwarf weed

Herblore ingredients

 * Eye of newt
 * Limpwurt root
 * Snape grass
 * Red spiders' eggs
 * Unicorn horn dust

Other

 * Coins (3-8)
 * Candle
 * Candle lantern
 * Tinderbox
 * Woad leaf

Drops (lvl 96)
Charms
 * Gold Charm
 * Green charm (most common)
 * Blue charm
 * Crimson Charm

Runes
 * 1-167 Water runes
 * 1-147 Earth runes
 * 2-36 Fire runes
 * 1-8 Nature runes

Other
 * 2-30 Coins
 * Level 1 Clue scroll
 * Uncut Gems
 * Herbs
 * Water battlestaff
 * Nature talisman
 * 1-8 Swamp weed (common)
 * Half of a key
 * Shield left half

Trivia

 * The level 6 version can restore up to 3 hitpoints in between attacks.