Insecta - Isoptera - Hodotermitidae

Synonym: Diatermes sibiricus Martynov 1929

Full reference: A. V. Martynov. 1929. Ob Iekopaemyx Tretiyx Otlozzenij Ashutaea Zajeanekogo Ueada [Fossil insects from Tertiary deposits in Ashutas, Saisan District]. Trudy Geologicheskogo Muzeya, Akademii Nauk SSSR 5:173-216

Belongs to Ulmeriella according to A. E. Emerson 1968

Sister taxa: Ulmeriella bauckhorni, Ulmeriella latahensis, Ulmeriella martynovi, Ulmeriella rubiensis, Ulmeriella willershausensis

Type specimens:

• Ulmeriella cockerelli: PIN 2113/18, a forewing. Its type locality is Mount Ashutas at the river Irtysh, which is in an Oligocene terrestrial claystone in Kazakstan.
• Diatermes sibiricus: PIN 2113/17, a forewing. Its type locality is Mount Ashutas at the river Irtysh, which is in an Oligocene terrestrial claystone in Kazakstan.

Ecology:

Average measurements (in mm): forewing 15.2 x 5.1