Himellas are insects featured in Metroid: Other M. They are found in frozen rooms in Sector 2 / Cryosphere. Their wings have snowflake-like structures, and they have blue bodies with red eyes. They spawn from Fly Pods that resemble white compounds. Himellas are essentially identical to Mellas that are found in Sector 3 / Pyrosphere, but unlike the flame-spitting creatures, the former are capable of firing small ice shards; they both are capable of grappling onto Samus however.
The similarity in name and physiology suggest that Himellas and Mellas are possibly related.
- While not present in the game, Mellows are possibly another species related to Himellas and Mellas, given their similarities in name and body structures (which feature small to no visible limbs).
- Artwork in the Japanese strategy guide for Metroid: Other M places Himellas and Mellas under the same category as Reo, as their artwork is placed together. This is likely indicating they are part of the same category of small, aerial enemies (similar to how the Sova is placed in the same category as Zoomer, both of which are small, crawling enemies).