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.