Inter-Dimensional Bee

Summary
Inter-Dimensional Bees are insect monsters. Though incests they are very large.

These monsters appear out of several rifts in the sky during the events of the Second wave and attacked the nearest village called Riyute.

When killed nothing of value is dropped that could be sold, however, the material can be used by the Legendary Weapons to unlock a new variation of weapons via absorption.

They are generally only good for exp gain.

Debut
Anime: Season 1, Episode 3

Manga: Volume 2, Chapter 6

Light Novel: Volume 1, Chapter 20

Web Novel: Chapter 20

Trivia

 * Inter-Dimensional Bees were the only monster that was monster besides the Chimera that could be broken up to unlock two different shields for Naofumi.