Genus: Trisetacus Keifer, 1952

Trisetacus pini (Nalepa, 1887)

Type data. Pinus sylvestris L. ( Pinaceae); Austria.

Host plant records from Latvia. Pinus sylvestris L. ( Pinaceae).

Relation to plant host. Gall-making, galls on twigs (Shevchenko et al. 1993; Skoracka et al. 2005). Bibliographical records from Latvia. Trisetacus pini — Shevchenko et al. 1993 .

Distribution in Latvia. Sporadic occurrence (Shevchenko et al. 1993).