The plant genus Trichosia is nowadays considered a synonym of Eria.
Trichosia is a genus of fungus gnats that feed on decaying organic matter and fungi. The subgenus Mouffetina is treated by some as a genus, while Baeosciara was originally described as a genus.
Systematics and selected species Subgenus Baeosciara Tuomikoski, 1966 T. scotica (Edwards, 1925) Subgenus Mouffetina Frey, 1942 T. pulchricornis (Edwards, 1925) Subgenus Trichosia Winnertz, 1867 T. basdeni Freeman, 1983 T. confusa Menzel & Mohrig, 1997 T. glabra (Meigen, 1830) T. jenkinsoni Freeman, 1987 T. morio (Fabricius, 1794) T. splendens Winnertz, 1867
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