Liogluta changwhani Lee and Ahn, sp. nov.
Creators: name: Lee, Seung-Gyu
name: Ahn, Kee-Jeong
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Liogluta
Liogluta changwhani

description: Liogluta changwhani Lee and Ahn, sp. nov.
(Figs. 1 A, 2–3)
Description. Length 2.5–2.8 mm. Body (Fig. 1 A) parallel-sided; surface fairly glossy and densely pubescent, with microsculpture. Body dark brown to black; head almost black; pronotum and abdomen darker than elytra; legs paler, yellowish brown. Head. Subquadrate, about 1.0–1.1 times as wide as long, widest across eyes, slightly narrower than pronotum; eyes large and prominent, about 1.4–1.5 times as long as temples; gular sutures moderately separated, more or less diverged basally; infraorbital carina complete; cervical carina complete. Antennae (Fig. 3 A) long and slender; antennomeres 1–3 elongate, 1 longest, 2 about as long as 3, 4–10 subquadrate to slightly transverse, 11 longer than wide, about as long as preceding two combined. Mouthparts. Labrum (Fig. 2 A) transverse, slightly emarginate in anterior margin, with ε-sensillum and about 9–10 macrosetae on each side of midline; epipharynx (Fig. 2 B) with several sensilla, including 2 lateral sensory rows on each side of midline; αsensillum long and setaceous, about 2.0 times as long as ε-sensillum, β-sensillum short, convergent apically, γsensillum reduced. Mandibles (Figs. 2 C–D) asymmetrical, subtriangular, decurved and pointed apically, about 1.5–1.6 times as long as basal width; minute denticles present in molar region; right one (Fig. 2 C) with small internal tooth, internal margin slightly serrulate; prostheca developed, composited three portions, second portion slightly longer. Galea and lacinia of maxilla (Fig. 2 E) long and slender; lacinia having seven spines in distal comb region, contiguous with two isolated spines; maxillary palpus elongate, with pubescence and long setae; palpomere 1 smallest, 2 about 2.8–3.0 times as long as wide, 3 slightly longer than 2, about 2.7–2.9 times as long as wide, 4 digitiform, filamentous sensilla reaching to basal half. Labium (Fig. 2 F) with ligula divided into 2 lobes in basal half; prementum with two medial setae widely separated; two basal pores narrowly separated, about 1.0–2.0 times width of basal pore; several medial pseudopores, 1 setal pore and 2 real pores present on each side of midline; labial palpus with many setulae; palpomere 1 largest, about 2.0 times as long as wide, γ-setula contiguous with bseta, 2 shortest, about 1.4–1.6 times as long as wide, 3 subparallel-sided, slightly shorter than 1, about 3.0–3.5 times as long as wide. Mentum (Fig. 2 F) trapezoidal, anterior margin emarginate; v-seta short, close to u-seta.
Thorax. Pronotum slightly transverse, approximately 1.3 times as wide as long, widest in apical third; hypomera fully visible in lateral aspect. Metanotal scutum with 1 long seta and about 4–5 relatively short setae on each side of midline. Mesocoxal cavities narrowly separated, mesoventral process pointed at apex, slightly longer than isthmus and metaventral process combined; isthmus slightly longer than metaventral process. Elytra longer and slightly wider than pronotum; elytron approximately 1.5–1.6 times as long as wide, pubescence directed posteriorly and postero-laterally; postero-lateral margin almost straight; hind wings fully developed, flabellum composed of about 5–6 long setose lobes. Legs. Slender and long, with pubescence and macrosetae; meso- and metatibiae with different length of two spurs at apex; tarsal formula 4-5-5, length ratio of tarsomeres 25:27:30:67 (protarsus); 31:36:38:39:68 (mesotarsus); 48:46:44:42:80 (metatarsus); one empodial seta present, about as long as claw. Abdomen. Parallel-sided; surface distinctly glossy and densely pubescent, with reticulate microsculpture; macrochaetal arrangement of tergites II–VI 01-21-13 -13-13; male tergite VIII (Fig. 3 B) with 4 macrosetae on each side of midline; broad process present in median region and posterior margin crenate; male sternite VIII (Fig. 3 C) with 9 macrosetae on each side of midline, posterior margin slightly convex, subtriangular, with long marginal setae; posterior margin of female tergite VIII (Fig. 3 D) subtruncate; female sternite VIII (Fig. 3 E) with 7 macrosetae, posterior margin slightly emarginate in median region, with conspicuous marginal setae and minute setae. Aedeagus. Median lobe (Figs. 3 F–G) narrowly ovate and widest in basal fourth, apical process elongate and convergent at apex in ventral aspect; internal sac developed. Apical lobe of paramerites (Fig. 3 H) with four setae; a-seta slightly longer than b- and d-setae subequal in length, c-seta very short and close to d-seta. Spermatheca. Bursa dilated apically and conical shaped umbilicus; duct loosely coiled (Fig. 3 I).
Type material. Holotype, ♂, labeled as follows: ‘ KOREA: Chungnam Prov., Daejeon-si, Seo-gu, Jangandong, Mt. Jangtaesan, N36°13′03.3″ E127°20′36.2″ 258 m, 28 III 2012, DH Lee, TK Kim, SG Lee; HOLOTYPE Liogluta changwhani Lee and Ahn 2016 ’. Desig. S.-G. Lee and K.-J. Ahn 2016. Paratypes, 40 exx. (total): 19 exx. (one on slide), same data as Holotype; 21 exx. (two on slide), Korea. Gyeongbuk prov., Yongjang-ri, Naenammyeon, Gyeongju-si, ex FIT 21.V-26.VI.2007, YB Cho coll. E129°12′42.9″ N35°46′19.5″.
Material examined. SOUTH KOREA: Chungnam prov.: 11 exx. (five in 95% ETOH), Daejeon-si, Seo-gu, Jangan-dong, Jangtaesan Recreational Forest, N36°13′4.32″ E127°20′34.44″ 257m, 17 III 2011, IS Yoo, YH Kim, SG Lee, leaf litters.
Distribution. Korea (South).
Remarks. Adults are similar to those of L. pyonganica, but can be distinguished by the characters provided in the key and different shape and structure of aedeagus and spermatheca.
Etymology. Named after the late professor Chang-Whan Kim in honor of his pioneering research on Korean insects.
description: Published as part of Lee, Seung-Gyu & Ahn, Kee-Jeong, 2016, A taxonomic review of Korean Liogluta Thomson (Coleoptera, Staphylinidae, Aleocharinae) with descriptions of three new species, pp. 285-303 in Zootaxa 4193 (2) on pages 286-290, DOI: 10.11646/zootaxa.4193.2.5, http://zenodo.org/record/166918