Terra Formars: Bugs 2-hen is a oVA anime that premiered in summer 2014, produced by LIDENFILMS.

About the production: the story comes from a manga, there are 2 episodes of about 23 minutes and its current status is "finished".

Its main genres are action, horror and sci-fi, with themes such as Seinen and Aliens.

On AniList, Terra Formars: Bugs 2-hen has an average score of 66%, a good score, and appears on 8,200 users' lists.

The franchise continues in or follows from: Terra Formars.

Adaptation of the Bugs 2 arc of the manga. In the late 26th century, overpopulation on Earth is reaching the breaking point, and humanity must find new frontiers. The terraforming of Mars has taken centuries but is now complete. The colonization of Mars by humanity is an epoch-making event, but an unintended side effect of the terraforming process unleashes a horror no one could ever have imagined. After humanity's first manned mission to the Red Planet was lost, a second expedition arrives. The explorers prepare to exterminate the cockroaches that were used to transform the Martian environment. They are shocked to discover that the insects have mutated into giant, aggressive humanoids with one overriding goal — exterminate the humans! But this crew of explorers has each undergone the Bugs Procedure, terrifying experimental surgery designed to make them more than human... (Source: VIZ Media)

Official synopsis from AniList.