Genus Pilophorus Hahn, 1826
P. erraticus Linnavuori, 1962 — Distribution: Japan (Honshu, Shikoku, Kyushu); Korea, Russian Primorsky Territory.— Hosts: Alnus spp. (Betulaceae), Salix spp. (Salicaceae).
P. lucidus Linnavuori, 1962 — Japan (Hokkaido, Honshu, Shikoku, Kyushu, Tsushima Island); Korea, Russian Primorsky Territory.—deciduous Quercus spp. (Fagaceae).
P. m a e h ar a i Yasunaga & Duwal, n. sp. — Japan (Honshu: Tochigi Pref.).—Unknown.
P. miyamotoi Linnavuori, 1961 — Japan (Hokkaido, Honshu, Izu Islands, Shikoku, Kyushu, Tsushima Island); Korea, Russian Primorsky Territory.— Pinus densiflora Sieb. & Zucc. P. koraiensis Sieb & Zucc. (Pinaceae).
P. nakatanii Yasunaga & Duwal, n. sp. [= P. formosanus Poppius, 1914 in Yasunaga (2001), misidentification]— Japan (Ryukyus: Okinawa, Ishigaki & Iriomote Islands).— Pinus luchuensis Mayr (Pinaceae).
P. niger Poppius, 1914 — Japan (Hokkaido, Honshu, Shikoku, Kyushu); China, Korea, Mongolia, Russian Primorsky Territory.—Unknown.
P. okamotoi Miyamoto, 1966 — Japan (Hokkaido, Honshu, Shikoku, Kyushu, Tsushima Island); Korea incl. Jeju Island, Russian Primorsky Territory.— Artemisia spp. (Asteraceae) but sometimes found on various herbs or shrubs.
P. pseudoperplexus Josifov, 1987 — Japan (need verification); Korea, Russian Primorsky Territory.—Found from deciduous trees of the Fagaceae, Oleaceae and Rutaceae (in Korea and Russia).
P. setulosus Horváth, 1905 — Japan (Hokkaido, Honshu, Izu Islands, Shikoku, Kyushu: a record from Ogasawara Islands need verification); Korean Peninsula, Russia (Sakhalin).—Various deciduous broadleaved trees, herbs and shrubs; immature forms found from Alnus spp., Salix spp. and Ulmus spp.).
P. tagoi Yasunaga & Duwal, n. sp. — Japan (Honshu: Kanto area). — Cryptomeria japonica (Thunb. ex L.f.) D. Don. (Cupressaceae).
P. t y p i c u s (Distant, 1909)— Japan (Honshu, Shikoku, Kyushu, Tsushima Island, Ryukyus); Cambodia, SE China incl. Hong Kong & Macau, India, Indonesia (Java, Sumatra, Irian Jaya), S Korea, Malaysia, Myanmar, Philippines (Luzon, Mindanao, Palawan), Singapore, Sri Lanka, Thailand, Taiwan.—Associated with various angiosperms, including some vegetables (cucumber, eggplant, pimento, etc., even in greenhouses); immature forms found from Acanthaceae, Asteraceae, Ericaceae, Euphorbiaceae, Fabaceae, Solanaceae, Urticaceae, etc.; often observed to prey on thrips, whiteflies and spider mites (Ito et al., 2011).
P. varidicornis Kerzhner, 1977 — Japan (Hokkaido incl. Kunashiri Island); Russia (Sakhalin).— Picea spp. (Pinaceae); sometimes abundant on introduced European spruces for landscaping and expanding the habitat to urbanized and suburbanized zones.