Leiodes koreana Park & Ahn 2007
Creators: name: Hoshina, Hideto
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Leiodidae
Leiodes
Leiodes koreana

description: 8. Leiodes koreana Park & Ahn, 2007
Japanese name: Chôsen-ô-tamakinokomushi (Figs. 27–29, 112)
Leiodes koreana Park & Ahn, 2007: 38.
Type locality. Korea, Chungnam Prov., Gongju City, Banpo-myeon, Mt. Gaeryongsan
Specimens examined. JAPAN: KYUSHU: 1 ♂, 1 ♀, Miyazaki Pref., Takaoka, Takafusa, 27.v.2007, K. Iwakiri leg. (FIT) (FUFJ); 1 ♀, same data as the former except for the date, 24.vi.2007; 1 ♂, 1 ♀, Saga Pref., Mt. Sefuri-san (alt. 1000m), 16.–23.vi.2010, S, Nomura et al. leg. (FIT) (FUFJ). SHIKOKU: 1 ♂, 1 ♀, Ehime Pref., Uchiko Town, Shiromawari, 9.vii.1995, E.Yamamoto leg. (FUFJ); 1♂, 2♀♀, Kagawa Pref., Ayagawa Town, Sogisho-higashi, Shôzaka, 12.–18.iv.2009, H. Fujimoto leg. (FIT) (FUFJ); 1 ♂, same data as the former except for the date, 13.–19.vi.2009; 5♂♂, 2 ♀♀, Tokushima Pref., Yamakawa Town, Okunoi, 23.–29.vi.2003, K. Tanaka leg. (FIT) (FUFJ); 4 ♂♂, 1 ♀, Tokushima Pref., Yamakawa Town, Mt. Kôtsu, 25.vii.–2.viii.2003, K. Tanaka leg. (FIT) (FUFJ); 1♂, Tokushima Pref., Misato Village, Ôhira (alt. 800m), 14–23.vii.2003, Y. Kurota leg. (FUFJ). HONSHU: 3 ♂♂, 1 ♀, Osaka Pref., Minoo City, Minoo Park, 13-15.v.2007, T. Lackner leg. (1♂ in ZSPC, others in JCHE); 2 ♂♂, Mie Pref., Suzuka City, Nishi-Shônai-chô, Ichinotani, 6.v.2004, H. Yokozeki leg. (FUFJ); 1 ♂, 1 ♀, Gifu Pref., Kani City, Yasaka-Rindô, 18.v.2003, K. Toyoshima leg. (FIT) (FUFJ). KOREA: 1 ♂, Chunbuk Prov., Chôngûp, Naejangsan, Paekyang Area, 25.–26.v.1999, U.-S. Hwang & H.-J. Kim leg. (FIT) (CNUIC); 1 ♂, Kangwon Prov., Wonju City, Chiaksan, Kuryong Area, 10.vii.1999, U.-S. Hwang & H.-J. Kim leg. (FIT) (CNUIC).
Diagnosis. Coloration. Dorsum brown; antennomeres 1–6 and 8 brown; antennomeres 7, 9, 10, and basal half of antennomere 11 dark brown, apical half of antennomere 11 light brown.
Body 3.2–4.4 mm long, ca. 1.7× as long as wide (Fig. 27A). Head densely punctate, usually bearing some large punctures (Fig. 27A); antennomeres 1–3 each longer than wide; remaining antennomeres each wider than long; antennomere 11 robust (Fig. 27C). Pronotum simply and very feebly curved at posterior margin, punctation similar to that on head. Elytra not transversely strigose; each elytron bearing nine punctate rows with small number of large punctures and moderate number of very fine punctures between rows (Fig. 27D); row 9 invisible in dorsal view, subhumeral row as long as ca. 1/3 of elytral length (Fig. 27B); elytral rows composed of larger punctures than those of pronotum (Fig. 27A); sutural stria fine, arising from apex ca. to apical 2/5 of the elytral length. Metathoracic wings fully developed. Mesoventrite with one shallow excavation between median carina and transverse carina (Fig. 27E); median carina of mesoventrite low (Fig. 27E); metaventrite without sexual dimorphism. Legs showing sexual dimorphism on protarsi, protibiae, mesotarsi, and metatibiae; metafemur robust, with small dorsal posteroapical projection (Figs. 28G, 28H).
Male. Protibiae gradually and distinctly widening from base towards apex at internal margins (Fig. 28E); tarsomeres 2–4 of protarsi and mesotarsi expanded (Fig. 28A); metatibiae curved inwards (Fig. 28C); abdominal sternite 8 weakly curved (Fig. 29C); aedeagus as shown in Figs. 29A, 29B.
Female. Protibiae gradually and very feebly widening from base towards apex at internal margins (Fig. 28F); protarsi and mesotarsi slender (Fig. 28B); metatibiae almost straight (Fig. 28D); abdominal sternite 8 forked in middle of anterior margin (Fig. 29D); coxites and stylus as shown in Fig. 29E.
Differential diagnosis. Leiodes koreana is similar to L. masatsugui sp. nov. by the characteristic shape of the female abdominal sternite 8 (see Figs. 29D and 35E), but may be distinguished from the latter by having males with a relatively slender aedeagus (Fig. 29A). In contrast, males of L. masatsugui sp. nov. have a robust aedeagus (Fig. 32A).
Distribution. Japan (Kyushu, Shikoku, and Honshu), Korea. New to Japan.
description: Published as part of Hoshina, Hideto, 2012, Review of the tribes Sogdini and Leiodini from Japan and North Chishima Islands. Part II. Genera Hydnobius and Leiodes (Coleoptera: Leiodidae), pp. 1-168 in Acta Entomologica Musei Nationalis Pragae (suppl. 1) (suppl. 1) 52 on pages 51-53, DOI: 10.5281/zenodo.4272467