A taxonomic review of the genus Physatocheila Fieber (Hemiptera: Heteroptera: Tingidae) from the Korean Peninsula, with description of a new species and a key to Korean Physatocheila species Author Ji, Hankyul 0000-0002-7587-930X Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National & https: // orcid. org / 0000 - 0002 - 7587 - 930 X & These authors contributed equally to this work as first author. Author Kim, Junggon 0000-0003-0594-7618 Private office, Gyebaek-ro, Jung-gu, Daejeon, Korea. https: // orcid. org / 0000 - 0003 - 0594 - 7618 & These authors contributed equally to this work as first author. Author Jang, Geunho 0000-0003-4670-0662 Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National & Department of Smart Agriculture Systems, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, Korea. https: // orcid. org / 0000 - 0003 - 4670 - 0662 Author Jung, Sunghoon 0000-0003-4670-0662 Laboratory of Systematic Entomology, Department of Applied Biology, College of Agriculture and Life Sciences, Chungnam National & Department of Smart Agriculture Systems, College of Agriculture and Life Sciences, Chungnam National University, Daejeon, Korea. https: // orcid. org / 0000 - 0003 - 4670 - 0662 text Zootaxa 2023 2023-03-30 5258 4 455 464 http://dx.doi.org/10.11646/zootaxa.5258.4.6 journal article 10.11646/zootaxa.5258.4.6 1175-5326 7784585 E0CCE7C3-CF8D-497D-8CE0-F955932EAD6F Physatocheila orientis Drake, 1942 ( Figs. 1D , 2D , 3A , 4D , 5D , 6D ) Physatocheila orientis Drake, 1942: 9 . Diagnosis. Body reddish-brown, elongated-oval, fusiform ( Fig. 1D ); middle part of anterior margin of hood slightly convex ( Fig. 2D ); paranota narrow, maximal width from anterolateral margin to inner margin less than the minimal width between paranota, inner margin reaching lateral carina (arrows; Figs. 2D , 3A ); areolae size not consistent in costal area, with three rows of areolae in basal part, four to five rows in middle part, and two rows in apical part; areolae size of discoidal area subequal to those of subcostal area ( Fig. 4D ); middle part of inner margin of paramere almost straight ( Fig. 5D ); middle part of outer margin of pygophore sinuate ( Fig. 6D ). Description. Male : Body generally brown, elongated oval, fusiform-shaped. Head dark brown; antennae brown; first segment distinctly thicker than second segment; third segment equal to 3X fourth segment in length; fourth segment dark brown; hood brown, middle part slightly convex. Pronotum brown; paranota brown, narrow, maximal width from anterolateral margin to inner margin less than the minimal width between paranota, inner margin almost straight, reaching lateral carina, with five rows of areolae in dorsal view; areolae consistent in size. Hemelytra brown; distinctly much wider than maximum width of pronotum, outer margin rounded; costal area with various sizes of areolae, with three rows of areolae in basal part, four to five rows in middle part, and two rows in apical part; areolae size of discoidal area subequal to those of subcostal area. Genitalia: paramere scythe-shaped; sensory lobe stout, inner margin almost straight; apophysis long and narrow, its apex sharp ( Fig. 5D ); pygophore angulated posterolaterally; middle part concave in ventral view ( Fig. 6D ). Female: Head, pronotum, hemelytra: As in male. Genitalia: not examined. Measurements. (5♁♁/ 5♀♀ ). Head width, 0.57–0.60/ 0.60–0.62; vertex width, 0.31–0.32/ 0.37–0.38; lengths of antennal segments I–IV: 0.17–0.18/ 0.19–0.20, 0.12–0.13/ 0.14–0.16, 1.00–1.02/ 1.02–1.04, 0.33–0.35/ 0.34–0.36; total length of antenna, 1.62–1.68/ 1.69–1.76; pronotum length, 1.60–1.69/ 1.65–1.73; pronotum width (including the posterior margin of paranota), 1.14–1.16/ 1.15–1.20; hemelytra length, 3.11–3.19/ 3.12–3.27; total length, 4.06–4.19/ 4.09–4.28. Distribution. China , Japan , Korea Russia ( Péricart & Golub, 1996 ; Aukema et al . 2013 ; Souma, 2019 ). Hosts . Aronia spp. , Padus spp. , Sorbaria spp. ( Rosaceae ) ( Golub, 1988 ). Material examined. [ CNU ] 9♁♁ 21♀♀ Mjohjang-san (Mt), Yeongbyeon-gun , Pyeonganbuk-do , North Korea , 2.vii.1990 , M. Josifov ; [ CNU ] 2♁♁ 4♀♀ Gajeong-ri , Nam-myeon , Chuncheon-si , Gangwon-do , Korea , 29.vii.2016 , SJ Kim .