1 literature reference for Therion laricis (Matsumura, 1926):

Author: Matsumura, S.
Year: 1926
Title: On the three species of Dendrolimus (Lepidoptera) which attack spruce- and fir-trees in Japan, with their parasites and predaceous insects.
Source: Ezhegodnik Zoologicheskago Muzeya. [Annales du Musee Zoologique. Leningrad.] 26(1925):27-50.