Listrognathus ( Listrognathus ) coreensis coreensis Uchida, 1930

Listrognathus ( Listrognathus) coreensis coreensis Uchida, 1930 View in CoL

[SJN: Chosen-tsuno-togari-himebachi]

( Figs. 67 A-K, 68A-E, 80D, G)

Listrognathus coreensis Uchida, 1930: 316 View in CoL .

Listrognathus punctator View in CoL : Iwata, 1958: 70. Misidentification. Listrognathus punctator View in CoL : Iwata, 1960: 159. Misidentification.

Materials examined. JAPAN: [ Hokkaido] MNHAH, 1F (det. by Momoi), Nukabira , 14. VII. 1959, S. Momoi leg. ; MNHAH, 1M (det. by Momoi), Bibai , 20. VIII. 1962, K. Kamijo leg. , em. from Nycteola asiatica ; MNHAH, 1F, ditto, 23. VIII. 1962 ; KPM-NK 103176 , F, Horokanai Town, Uryu , 11–17. VII. 2012, K. Watanabe et al. leg. (MsT). [ Honshu] NARO, 1F, Aomori Pref., Shiura Vil., Midori , 18. VIII. 1996, T. Ichita leg. ; KPM-NK 103177 , F, Niigata Pref., Myouko City, Suginosawa, Otomi-toge , 10. VIII. 2013, S. Shimizu leg. ; NARO, 1F, Tochigi Pref., Fujioka Town, Watarase-yusuichi , 20. IX. 1992, H. Ohkawa leg. ; KPM-NK 75869 , F, Tochigi Pref., Kuroiso Town, Enna-Skyline , 13. VII. 2000, E. Katayama leg. ; KPM-NK 75871 , F, ditto, 30. VIII. 2000 ; KPM-NK 103178 , F, Saitama Pref., Satte City, Makinoji , 8. IX. 2009, S. Yoshizawa leg. ; NARO, 1F, Tokyo, Fuchu , 30. V. 1936, T. Ishii leg. ; NARO, 1F, Tokyo, Mt. Takao , J. Minamikawa leg. ; KPM-NK 103179 , F, Kanagawa Pref., Kamakura , 4. X. 1981, H. Nagase leg. ; KPM-NK M, Kanagawa Pref., Miura City, Misaki Town, Koajiro , 28. V. 2004, I. Kawashima leg. ; KPM-NK 75873 , F, Kanagawa Pref., Fujino Town, Mt. Jinba-yama , 7. VI. 2008, K. Watanabe leg. ; KPM-NK 103181 , 1 F, Kanagawa Pref., Yokosuka City, Nagasawa, Muraoka , 23. VII. 2011, Y. Saito leg. ; NARO, 1F, Shizuoka Pref., Kanaya , 15. VII. 1952, J. Minamikawa leg. ; KPM-NK 103182 , F, Nagano Pref., Outaki Vil., Mt. Ontake-san, Hakkaisan , 18–20. VIII. 2014, S. Shimizu leg. ; KPM-NK 103183 , F, Toyama Pref., Toyama City, Arimine, Inonedani , 11–16. VIII. 2009, M. Watanabe leg. (MsT) ; KPM-NK 75868 , F, Toyama Pref., Toyama City, Arimine, Jurodani , 21–28. VII. 2009, M. Watanabe leg. (MsT) ; KPM-NK 75867 , F, Toyama Pref., Nanto City, Togamura-kamimomose , 8–15. IX. 2009, M. Watanabe leg. (MsT) ; KPM-NK 75865 , F, Fukui Pref., Mt. Asuwa , 15. VIII. 1980, T. H. Nakagon leg. ; KPM-NK 103196 , M, Fukui Pref., Izumi Vil., Itoshiro river , 15. V. 1982, T. Murota leg. ; KPM-NK 103184 , F, Fukui Pref., Kadonomaesaka , 10. X. 1995, C. Nozaka leg. ; KPM-NK 75872 , F, Mie Pref., Kameyama City, Seki Town, Kutsukake , Suzuka-toge , 4. VII. 2012, Y. Shinoki leg. ; KPM-NK 103187 , F, Nara Pref., Nara City, Naka Town, Kindai University , 10. V. 2015, M. Ito leg. ; KPM-NK 75870 , F, Osaka Pref., Higashiosaka City, Hiraokapark , 13. V. 2012, M. Ito leg. ; MNHAH, 1F, Hyogo Pref., Tajima, Ikoda , 10. VI. 1951, K. Iwata leg. ; MNHAH, 1F, Hyogo Pref., Tanba, Higashihamadani , 7. VII. 1952, M. Miki leg. [ Sado Is. ] KPM-NK 75866 , F, Niigata Pref., Sado City, Kanaishinpo, Hakuundai to Mt. Myokenzan , 4. VIII. 2009, K. Watanabe leg. [ Kyushu ] KPM-NK 75863 , 75864 , 2 F, Fukuoka Pref., Kurume City, Chikugogawa , 1. V. 2007, T. Mita leg. ; MNHAH, 1F (det. by Uchida as Listrognathus punctata ), Miyazaki Pref., Omata , 16. VII. 1954, K. Iwata leg. ; KPM-NK 103185 , F, Kagoshima Pref., Sakurajima, Yogan-Nagisa Road , 20. IV. 2022, Sk. Yamane leg. [ Iki Is. ] KPM-NK 103186 , F, Nagasaki Pref., Iki City, Katsumoto Town, Yurihatafure , 19. VI. 2021, K. Otsui leg. [ Yakushima Is. ] KPM-NK 103188 , F, Kagoshima Pref., Han-yama , 1. V. – 5. VI. 2007, T. Yamauchi leg. (MsT) ; OMNH, 1F, ditto, 28. VI. – 30. VII. 2007 ; KPM-NK 5000270 , F, ditto, 22. VII. – 22. VIII. 2006 ; KPM-NK 103189 , F, Kagoshima Pref., Aiko-dake , 2. V. – 5. VI. 2007, T. Yamauchi leg. (MsT) ; KPM-NK 103190 , M, Kagoshima Pref., Kurio , 10. VI. 2007, T. Maeda leg. CHINA: MNHAH, 1F, Manshuria, Kaigen (= Liaoning Province, Tieling ), 23. VII. 1936, K. Okada leg. KOREA: SEHU, 1F ( holotype), Suigen , 21. VIII. 1925, K. Sato leg.

Description. Female (n = 38). Body polished; covered with setae; body length 5.9–10.9 mm.

Head 0.55 × as long as wide in dorsal view. Clypeus 1.7–2.0 × as wide as long; strongly convex as pyramid-shaped in lateral view; sparsely punctate dorsally; smooth ventrally; lower margin weakly rounded to subtruncate in frontal view, narrowly reflected in lateral view. Face 0.5 × as long as minimum width; slightly convex medially; punctate; punctures largely united into groove-like foveola medially. Anterior tentorial pit small. Frons concave above antennal sockets; rugose dorsally; smooth on concavity; with pointed median horn ( Fig. 67E). POL 1.6–2.0 × as OD. OOL 1.05–1.7 × as OD. Gena and occiput finely and densely punctate, ISP coriaceous. Dorsal profile of gena slightly rounded to straight in dorsal view; width abruptly narrowing posteriorly ( Fig. 67E). Occipital carina complete. Hypostomal carina strongly widened as lamella between occipital carina and mandibular base, with deep concavity along lamella. Malar space 0.75–0.9 × as long as basal width of mandible. Mandible convex at base; lower margin strongly widened as lamella; lower tooth equal in length of upper tooth. Antenna with 27–31 flagellomeres; apical part slightly widened. FL I 5.0–6.9 × as long as maximum depth in lateral view, 1.2–1.4 × as long as FL II.

Mesosoma. Pronotum reticulate rugose except for foveolate punctate dorsally ( Fig. 67F). Epomia long; dorsal end closed to dorsal margin of pronotum and strongly raised as tubercle. Mesoscutum densely punctate; punctures largely united into groove-like foveola; with short and weak notaulus. Scutellum punctate; convex in lateral view. Mesopleuron largely longitudinally to obliquely rugose ( Fig. 67F); partly densely punctate; with small smooth area around speculum. Epicnemial carina present laterally and ventrally; dorsal end not reaching middle height of mesopleuron. Sternaulus deep in anterior 0.5 of mesopleuron. Metapleuron reticulate rugose; with complete juxtacoxal carina. Propodeum rugose ( Fig. 67I): anterior transverse carina complete; posterior transverse carina complete (sometimes weak medially), inverted U-shaped (sinuate between lateral sides and median part) ( Fig. 80D); lateral longitudinal carina absent; pleural carina absent; lateromedian longitudinal carina present only anterior to anterior transverse carina; apophysis small and obtuse; spiracle elongate. Fore wing length 4.75–7.7 mm. Areolet small; slightly longer than maximum width; width slightly or not narrowing anteriorly; received vein 2m-cu near outer corner ( Figs. 67G, H). Fore wing vein 1cu-a slightly antefurcal to vein M&RS ( Figs. 67G, H). Nervellus subvertical; intercepted posterior to middle ( Figs. 67G, H). Hind femur reticulate coriaceous; 5.0–6.45 × as long as maximum depth in lateral view. Tarsal claws simple.

Metasoma densely punctate ( Fig. 67J). T I 1.5–1.75 × as long as maximum width; ISP smooth ( Fig. 67J); lateromedian carina absent; dorso-lateral carina absent except for posterior part; with pair of lateral triangular teeth at base. T II 0.75–0.9 × as long as maximum width; ISP weakly coriaceous; thyridium weakly present close to anterior margin of T II; slightly or not depressed; ca. 2.0 × as wide as length. T III to T V with coriaceous ISP. Ovipositor sheath 0.55–0.75 × as long as hind tibia, 1.05–1.35 × as long as T I. Ovipositor straight; apex sharp; nodus weak; apex of lower valve with teeth ( Fig. 80G).

Colouration ( Figs. 67A–K). Body (excluding wings) black to blackish-brown. Setae silver. Frons usually with pair of ivory to yellow markings along each orbit. Mandible more or less tinged with reddish brown. FL VII (or VIII, IX) to FL X (or XI) with white markings. Scutellum sometimes with yellow marking(s). Propodeum sometimes with pair of yellow markings postero-laterally. Posterior margins of T I to T III sometimes narrowly tinged with reddish-brown. Membranous parts of metasomal sternites and ovipositor yellowish-brown. Fore and mid tibiae and tarsi largely brown. Base of hind femur brown. Subbasal part of hind tibia with small ivory band. Bases of hind TS I to TS III each with white band (sometimes band of TS I darkened or absent). Posterior margins of T IV and T VII black. Posterior margins of T V and T VI each with single median white marking. Wings hyaline; usually with clouded area (this area sometimes weak). Veins and pterostigma blackish-brown except for brown to yellowish-brown wing base.

Male (n =4). Similar to female ( Figs. 68A–E). T I 1.75– 2.1 × as long as maximum width. T II 0.9–1.0 × as long as maximum width. Antenna with 32–34 flagellomeres; with tyloids on FL XV to FL XVIII ( Fig. 68D). FL I 3.15–3.5 × as long as maximum depth in lateral view. Hind femur 6.2–6.8 × as long as maximum depth in lateral view. Face, clypeus, frontal orbit, mandible, and anterior part of tegula largely ivory. Antenna without white band. Posterior margins of T IV to T VII each with single median white marking. Fore wing without clouded area. Fore and mid coxae with ivory marking. Fore and mid legs paler than female; dorsal surfaces of tibiae and large parts of tarsi ivory. Hind TS II, TS III, and TS IV ivory. All tibial spurs more or less tinged with ivory.

Distribution. Japan ( Hokkaido, Honshu, Sado Is., Kyushu, Iki Is., and Yakushima Is.), Korea and China.

Bionomics. Nycteola asiatica (Krulikowski, 1904) ( Lepidoptera , Nolidae ) is recorded as the host ( Momoi, 1968).

Remarks. This is the first record of this species from Honshu, Sado Island, Kyushu, and Iki Island.