Biology and distribution
Described from England (S. gracilicornis) and Konuma, Saghalien, Japan from clover and meadow grasses (T. karafutensis).
Distribution: Palearctic, from Japan, China and Siberia over Europe to Spain, also Morocco. Preferably in warmer places. This species is mainly found on Vicia sp., particularly on Vicia cracca; occasionally also on leaves of deciduous trees.
Williams CB (1916) Biological and systematic notes on British Thysanoptera. The Entomologist 49: 221-227; 243-245; 275-284.
Ishida M (1931) Fauna of the Thysanoptera of Japan. Insecta matsumurana 6 (1): 32–42.
Bhatti JS (2006) The classification of Terebrantia (Insecta) into families. Oriental Insects 40: 339–375.
Holotype ♀ (T. karafutensis): University of Hokkaido, Sapporo.
Holotype ♀ (S. gracilicornis): Albany Museum, Grahamstown, South Africa.