Myrmica scabrinodis is a Euro-Siberian species of ant.

It lives in moderately humid habitats, tolerates soil moisture but also needs direct sunshine.

It builds nests in the ground, in grass or moss tussocks, even under stones or in rotten wood.

This ant species is the main host of the entomopathogenic fungus Rickia wasmannii.

Phengaris caterpillars are primary threats of M. scabrinodis with specific species such as Phengaris arion developing a predatory relationship.