Semioscopis similis Saito, 1989

Ponomarenko, Margarita G. & Koshkin, Evgeny S., 2025, New species of the spring flat moths of the genera Semioscopis Hübner and Luquetia Leraut (Lepidoptera: Depressariidae) from Far East of Russia with notes on related species, Zootaxa 5666 (4), pp. 529-549 : 544

Semioscopis similis Saito, 1989

Figs 6, 7 , 26–28 , 48–50 .

Semioscopis similis Saito, 1989 ; Japanese Journal of Entomology, 57 (4): 710.

Semioscopis similis : Lvovsky (1999: 59); Lvovsky & Dubatolov (2007: 56); Lvovsky (2008: 53, 2016: 76; 2019: 53).

Material examined. Russia, Khabarovskii Krai: 1♂, 1♀, Verkhnebureinskii district, Bureinskii Nature Reserve, Bureya river , 3 km SW of confluence of Levaya Bureya and Pravaya Bureya rivers, cordon “Strelka”, 51°38'39" N 134°15'45" E, 570 m a.s.l., 19.v 2010, 23.v 2021 (E.S. Koshkin leg.) , GS 306 (♀) MP ; Evreiskaya Avtonomnaya Oblast [Jewish Autonomous Region]: 8♂♂, 4♀♀, Obluchenskii district, Bastak Nature reserve , cordon “39 th km”, 49°05'25" N 133°05'21" E, 150 m a.s.l., 06–10.v 2022 (E.S. Koshkin leg.) , GS 307 (♂) MP ; 1♀, same district and reserve, 1 km NE of cordon “39 th km”, 49°05'50" N 133°04'46" E, 236 m a.s.l., 07–08.v 2022 (E.S. Koshkin leg.); 1♂, same district and reserve, 1.5 km NE of cordon “39 th km”, 49°05'53" N 133°04'21" E, 316 m a.s.l., 09–10.v 2022 (E.S. Koshkin leg.); Primorskii Krai: 1♀, Khasanskii district, Kedrovaya pad Nature Reserve , 29–30.iv 1975 (V.S. Kononenko leg.) ; 4♂♂, 5♀♀, Vladivostok, Botanical Garden , 01.iv 1979, 17.iv 1996 (E.A. Beljaev leg.) ; 2♂♂, Vladivostok, Chaika railway station, 04.iv, 07.iv 1995 (M.G. Ponomarenko leg.) , GS 308 MP ; 4♂♂, 1♀, Vladivostok, source of Bolshaya Sedanka river , 43°11'30" N, 132°03'05" E, 250 m a.s.l., 08.iv 2009 (M.G. Ponomarenko leg.) ; 2♂♂, 8♀♀, Shkotovskii district , 13 km E of Novaya Moskva village, 43°20'32" N, 132°54'39" E, 420 m a.s.l., 28, 29.iv 2009 (M.G. Ponomarenko leg.) ; 2♂♂, 1♀, Vladivostok, 5 km SEE of Okeanskaya station, Shamorovskii pass, 43°13'01" N, 132°03'48" E, 240 m a.s.l., 07.iv, 14.iv 2024 (M.G. Ponomarenko leg.) ; 2♂♂, 3♀♀, Shkotovskii district, 4.8 km S of Anisimovka village, Prostokvashino tourist base, 01.v, 02.v 2024 (M.G. Ponomarenko leg.) ; all in FSCB.

Distribution. Russia (Irkutskaya Oblast’, Zabaikalskii Krai, Amurskaya Oblast’, south of Khabarovskii Krai, Primorskii Krai); Japan (Hokkaido, Honshu) ( Sakamaki 2013; Lvovsky 2019).

Host plant. Unknown.

Figures

FIGURES 1–10. Semioscopis spp. and Luquetia tigrina sp. nov., adults and heads with appendages. 1–3—Semioscopis fareastenica sp. nov., paratype male; 4, 5—S. strigulana; 6, 7—S. similis; 8–10—Luquetia tigrina sp. nov., holotype male. Figs 1, 4, 6, 8—adult; 2, 5, 7, 9—head with labial palpi, enlarged; 3, 10—flagellum with ciliation on ventral side, enlarged. Scale bar for figures 1, 4, 6, 8—2 mm.

FIGURES 26–36. Semioscopis spp. and Luquetia tigrina sp. nov., male genitalia. 26–28—S. similis, GS 307, 308; 29–31—S. strigulana, GS 300; 32–36—Luquetia tigrina sp. nov., holotype, GS 290. Figs 26, 29, 32—male genitalia, ventral view, aedeagus removed; 27, 30, 33—aedeagus, lateral view; 28, 31, 35—juxta and lobes of transtilla, enlarged; 34—gnathos, enlarged; 36— cornuti, enlarged. Scale bar for figures 26, 27, 29, 30, 32, 33,—0.5 mm.

FIGURES 44–50. Semioscopis spp., female genitalia. 44–47—S. strigulana, GS 301; 48–50—S. similis, GS 306. Figs 44, 48—ventral view; 45—ostial area (vaginal sinus); 46, 50—signum; 47—sclerotisation with micro thorns in anterior part of ductus; 49—ostium, postvaginal plate, ductus and posterior part of corpus bursae. Figures 45–47, 49 and 50 enlarged. Scale bar for figures 44 and 48—0.5 mm.