Wrigglers is the nonproprietary term used for the insect-type Danger Beasts that the leaders of the Oarburghs have passed down for generations. Each leader of the Oarburgh clan can control them. These insects can mobilize according to the will of their operator, the last operator being Merraid Oarburgh. They were seen in Akame ga kill Zero.
It`s said that they were created by alchemists that were summoned to "The Empire" a thousand years ago.
It looks like a black beetle. The beetle can use its mouth to damage opponents.
It looks like a regular moth. It scattered poison from the sky all the time.
They have a hard armor that can be used as a shield and can even take a hit from Murasame.
It has the appearance of a black bee or wasp. Can use it`s stinger to damage opponents.
They have the ability to explode according to the operator's will.
It appears to be a normal centipede. It`s ability`s are unknown.
It is in the appearance of a butterfly. It has the ability to smell blood, it can be used to locate enemies.
Credits to https://akamegakill.wikia.com/wiki/Wrigglers