Nutrition:
The insects feed on mosses, algae, lichens, detritus and occasionally also grasses or other plants.
Habitat:
Tetrix subulata is a widespread wetland species. It is most common on wet forest clearings, in clay and gravel pits, on wet grasslands with soil injuries like ruts, at pond edges and in similar places. In the settlement area it is often observed for several years in new gardens with waterlogging. Tetrix subulata colonizes new habitats quickly as it is usually a good flyer.
Life cycle:
Tetrix subulata hibernates as Adult and can be found all year round. But it is most common in September/October and again from March to May. Generally, there is one generation per year.
Endangerment factors:
Tetrix subulata is not threatened and mostly common.
Remarks:
Tetrix subulata as a Holarctic distribution (Europe, temperate Asia, North America).