Redstone Bug – Minecraft Wiki

A redstone bug was a hostile mob present in Java Edition 2.0, similar in form to a silverfish. Redstone bugs can spawn if a redstone wire increases the strength. The chance that they spawn is 1%. The chance increases for every redstone bug in a 7x7x7 area by 5%. The Color value of the bug can reach from 33292288 to 66846720. Redstone bugs, effectively being reskinned silverfish, shared all of their behavior. Redstone bugs used the ID of silverfish, different from them only by a newly-added Color

Allay – Minecraft Wiki

Redstone Bug, Minecraft Wiki

Java Snapshot 1.19 Pre-Release 1 Changes, Updates, and Bug Fixes

Grindstone – Minecraft Wiki

Glowing Obsidian – Minecraft Wiki

Comparators -- Minecraft Wiki Page Overview & Commentary

♢ Minecraft Villager ♢ Professions & more

Redstone Lamp – Minecraft Wiki

Mobs in Minecraft: Types & Behavior

The Redstone Bug Adventure Map