Forerunner wasp

From Halopedia, the Halo wiki

This article contains information about a non-canonical subject that, while official, is not part of the established Halo universe.
The Forerunner wasp.

The Forerunner wasp is an alien lifeform deleted from Halo 5: Guardians. It is seemingly a wasp that would have lived on the Forerunner planet Genesis. The creature's design was conceived by 343 Industries artist David Bolton.[1]