Hypseloecus Reuter, 1891 (2 spp.)

H. nakagawai Yasunaga & Duwal, 2019 — Japan (Honshu)— Viscum album L. ( Loranthaceae).

H. takahashii Yasunaga, 2001 — Japan (Ryukyus: Iriomote Island)—Unknown, but most probably associated with hemiparasitic mistletoe (cf. Yasunaga & Duwal, 2019).