Silusa vesperis Casey, 1894

UNITED STATES: OREGON: Benton Co: Mary’s Peak, 27.VII.1979, J.M. and B.A. Campbell, 1158 m, (1f, LFC).

Silusa vesperis is newly recorded in Oregon. It is a mountain species found at elevations between 304 and 944 meters. Species of Silusa are associated with various species of fungi (Klimaszewski et al. 2003) .