Body length : 5-6,5mm.

This species is difficult to distinguish from T. caelestialum. The pale longitudinal stripes on the 1st segment of the antenna are more contrasting in T. caelestialum.

On grasses.

Avenella flexuosa, Corynephorus sp., Cynodon sp., Festuca rubra, Molinia caerulea, Phleum pratense, Puccinellia maritima, Agrostis sp., …