The endermites are on the move thanks to Minecraft snapshot 14w11a

About the size of a pickaxe, the endermite shuffles its segmented, purple frame across the sands. The pretty, lavender snowflake particle effect that attends the enderman clings to this insect too - but admiring players would be wise not to get too close, for fear of immediate and persistent attack.

Giving purpose to Endermites - the Ultimate Plan™ : r/minecraftsuggestions

TIL Endermites die (of suffocation?) on SoulSand (bug?) : r/Minecraft

Endermite – Minecraft Wiki

Spectator – Minecraft Wiki

Java Edition 1.17 – Minecraft Wiki

5 things players didn't know about Endermites in Minecraft

Minecraft snapshot 14w11a : r/Minecraft

Minecraft 1.8 Snapshot 14w11a- Endermites, Minecart changes!

Forest – Minecraft Wiki

Java Edition 14w11a – Minecraft Wiki

Java Edition 1.17/Development versions – Minecraft Wiki