Diochus bilobatus Huang, Janak & Zhou 2025, sp. nov.

2. Diochus bilobatus Huang, Janák & Zhou, sp. nov. (Figs 1J; 3-1; 3-2; 3-3) Type locality. Thailand: Chiang Mai: Doi Inthanon. Type material. Holotype: male, THAILAND: Chiang Mai: Doi Inthanon, 1650 m, 7. XI. 1985, Burckhardt-Löbl (MHNG). Paratypes: THAILAND: 2 males, 6 females, same data as holotype (MHNG); 4 females, Rd to Wab Pang An, 50 km NE Chiang Mai, 900 m, 3. XI. 85, Burckhardt-Löbl (MHNG); 1 female, Mae Nang Kaeo, 54 km NE Chiang Mai, 900 m, 3. XI. 85, Burckhardt-Löbl (MHNG); 1 male, 4 females, Doi Suthep, 1450 m, 4. XI. 1985, Burckhardt-Löbl (MHNG); 3 males, 9 females, Doi Suthep, 1050 m, 5. XI. 1985, Burckhardt-Löbl (MHNG); 2 females, Doi Inthanon, 1250 m, 6. XI. 1985, Burckhardt-Löbl (MHNG); 1 female, Doi Inthanon, 2450 m, 9. XI. 1985, Burckhardt-Löbl (MHNG); 1 female, Doi Angkhang 10 km W Pang, 1500 m, 20. III. 87, P. Schwendinger (MHNG); 10 females, Taksin Maharat N. P., 1000 m, 9. 2. 1993, P. Schwendinger (MHNG); 1 male, 3 females, Doi Pui, 19.12.1988, 1500m, leg. Trautner & Geigenmüller (SMNS, JJRC); 1 male, C. M. Doi Pui, III: 1987, Rougemont (GROG); 1 male: river near Ban Pong Din, 32 km ENE Chiang Mai, 27.XI.2004, leg. W. Rossi (VAHG). INDIA: Meghalaya: 1 male, Khasi Hills, Weiloi, 1700 m, 27. X. 78, Besuchet-Löbl (MHNG); 1 male, Garo Hills, Tura, 700−900 m, 1. XI. 78, Besuchet-Löbl (MHNG). MYANMAR: 1 female, Burma, Taunggy, 17: V: 1980, de Rougemont (GROG). CHINA: Guangxi: 1 male, 1 female: Guangxi A. R., 13.iv.2013, Ca 2 km S of Longsheng Hot Spring, Pangxie Gou (forested gorge, stream, wet rocks), 25°53.0'N, 110°12.6'E, 370 m, M. Fikáček, J. Hájek, J. Růžička leg., sifting of leaf litter and leaf accumulations along stony stream in evergreen lowland subtropical forest (NMPC, JJRC); 2 females, Guangxi A. R., 11.iv.2013, ca. 1.5 km SSE of Longsheng Hot Spring, Dashankoe (rotten logs with fungi; bamboo), 25°53.4'N, 110°12.7'E, 395 m, M. Fikáček, J. Hájek, J. Růžička leg. (NMPC); Yunnan: 4 males, 1 female, 100 km W Kunming, 22.5.- 2.6.1993, Diaolin Nat. Res., E. Jendek & O. Sausa leg. (NHMW, JJRC); 3 males, 2 females: N-Yunnan Nujiang Lisu Aut. Pr. Gongshan Co. Gaoligong Shan creek valley 17km N Gongshan, 27°54.41'N, 98°39.55'E, 1525-1600 m, 20.VI.05, A. Smetana (CNC, JJRC); 3 males, 1 female, 4 specimens sex indet.: E slope N Gaoligongshan, N27°46.8' E098°33.1', 12-15.vi.2009, 200-3000m, sifting 1-7, V. Grebennikov (CNC, JJRC); 5 females: E slope N Gaoligongshan, N27° 47'51.7'' E098° 34'56.4'', 01.vi.2010, 2100m, sifting 25, V. Grebennikov (CNC, JJRC); 3 males, 2 females, mt. N Wuding, mixed forest, 25°36'53''N, 102°18'59''E, 2190 m, 17.VIII.2014, V.Assing (VAHG, JJRC); 22 males, Yunnan, mt.W Gejiu, mixed forest, 23°24'13''N, 103°07'28''E, 1990 m, 23.VIII.2014, V. Assing (VAHG, JJRC); 1 male, Baoshan Pref., Gaoligong Shan, nr. Xiaoheishan, N.R., 35 km SE Tengchong, 2110m, 24°50'16''N, 98°45'43''E, decid. Forest, litter, sifted, 4.VI.2007, M. Schülke (MSBG); 2 females, Nujiang Lisu Aut. Pref., Gongshang Co., Gaoligong Shan, small creek valley, 17 km N Gongshan, 27°54'41''N, 98°39'55''E, 1525-1600 m, along creek under stones / gravel / leaf litter, sifted. 20.VI.2005, M. Schülke (MSBG); 2 males, 2 females, Nujiang Lisu Aut. Pref., Salween side valley, 5 km S Fugong, road SS 228, km 223 (creek bank, litter sifted), 8.VI.2007 D.W. Wrase (MSBG, JJRC); 1 male, 5 females, Lincang Pref. Bang-Ma Shan, 33 km SSW Lingcang, 2150 m, 23° 35' 41''N, 100°00'27''E, decid. forest remnant, N-slope, litter and dead wood sifted, 11.IX.2009, M. Schülke (MSBG, JJRC); 1 female, Baoshan Pref., mout. range 14 km E Tengchong, 1850 m (second. mixed forest), field edge, litter, debris sifted), 1.VI.2007, D.W.Wrase (MSBG); 3 males, 1 female, same data, but M. Schülke (MSBG, JJRC); 1 female, Baoshan Pref., moutain range 25 km S Tengchong,, 1900 m, 24°48'28''N, 98°32'03''E, dev. Primary decid. Forest, litter, fungi sifted, 2.VI.2007, M. Schülke (MSBC); 2 males, 2 females, Baoshan Pref., Gaoligong Shan, E pass, 78 km N Tengchong, 2000m (cleft with creek and forest remnant, litter/soil sifted), 24°44'49''N, 98°33'29''E, 1.IX.2009, D. W. Wrase (MSBG); 2 males, 1 female, Baoshan Pref., Gaoligong Shan, E pass, 65 km NNE Tengchong, 1750 m (sec. mixed forest overgrown stone debris, litter and moss sifted), 25°35'20''N, 98°40'21''E, 27.VIII.2009, D. W. Wrase (MSBG, JJRC); 6 males, 3 females, Baoshan Pref., Gaoligong Shan, E pass, 65 km NNE Tengchong, 1750 m, 25°35'20''N, 98°40'21''E, sec. mixed forest overgrown stone debris, litter and moss sifted, 27.VIII.2009, leg. M. Schülke (MSBG); 1 male, Baoshan Pref., Gaoligong Shan, W pass, 32 km SE Tengchong, 1600 m, 24°51'11''N, 94°44'28''E, cleft with devast. Primary forest, litter & mush. sifted, 28.VIII.2009, leg. M. Schülke (MSBG); 1 male, Baoshan Pref., Gaoligong Shan, mount range 25 km S Tengchong, 1900 m, 24°48'21''N, 98°32'05''E, cleft with devast. Primary forest, litter & mush. sifted, 30.VIII.2009, leg. M. Schülke (MSBG); 12 males, 12 females, Baoshan Pref., Gaoligong Shan, E pass, 65 km NNE Tengchong, 1750 m, 25°35'20''N, 98°40'21''E, sec. mixed forest overgrown stone debris, litter and moss sifted, 31.VIII.2009, leg. M. Schülke (MSBG, JJRC); 8 males, 12 females, mountain W Gejiu, 23°24'13''N, 103°07'28''E, 1990 m, misted forest, litter and various debris sifted, 24.VIII.2014, leg. M. Schülke (MSBG, JJRC); 1 male, Baoshan Pref., Gaoligong Shan, 10 km SE Kambaiti pass, 45 km NW Tengchong, 1700-1800 m (river bank under stones), 25°21'13- 29''N / 98°13'39-54''E, 29.VIII.2009, D. W. Wrase (MSBG); 1 male, 1 female, Lincang Pref., Xue Shan, 48 km N Lincang, 2070 m, 24°19'03''N, 100°07'13''E, forest remnant, N slope, litter & mushrooms sifted, 12.IX.2009, leg. M. Schülke (MSBG); 3 males, 5 females, Dali Bai Aut. Pref., Wuliang Shan, 20 km NW Weishan, 25°19'58''N, 100°07'59''E, 1900m, creek valley, litter & old flood debris sifted, 17.IX.2009, leg. M. Schülke (MSBG); 1 female, mountain W Yuxi, 24°27'11''N, 102°29'58''E, 2250 m, secondary mixed forest, litter, roots, and moss sifted, 31. VIII.2014, Schülke (MSBG); 1 female, E Kunming, Xiaobailong Forest Park, 2110 m, 24°55'43''N, 103°05'22''E, sec. pine forest margin, litter sifted. 10.VIII.2014, Schülke (MSBG); 1 female, Baoshan Pref., Gaoligong Shan, E pass, 36 km SE Tengchong, 24°49'32''N, 98°46'06''E, 2200 m (prim. decid. forest, brook bank, litter, moss, sifted), 31.V.2007, D. W. Wrase (MSBG). VIETNAM: 1 male, 1 female, N-Vietnam, 1.4 km SW Sa Pa, 22°19'20''N, 103°50'04''E, 1170 m, stream valley, 28.VII.2013, V. Assing (VAHG); 3 females, N-Vietnam, 7 km NW Sa Pa, 22°21'49''N, 103°46'49''E, 1850 m, stream valley, 1.VIII.2013, V. Assing (VAHG); 1 male, N-Vietnam, above Sa Pa, 22°20'35''N, 103°50'08''E, 1600 m, alder litter, 4.VIII.2013, V. Assing (VAHG); 1 female, N-Vietnam, pass 8 km NW Sa Pa, 22°21'10''N, 103°46'01''E, 2010 m, secondary forest, 5.VIII.2013, V. Assing (VAHG); 14 males, 15 females, N-Vietnam, 6 km NW Sa Pa, 22°21'39''N, 103°47'19''E, 1810 m, pasture margin, 7.VIII.2013, V. Assing (VAHG, JJRC); 15 males, 15 females, N-Vietnam, 10 km NW Sa Pa, 22°22'26''N, 103°45'27''E, 1810 m, stream valley, 8.VIII.2013, V. Assing (VAHG, JJRC); 2 females, N-Vietnam, pass 8 km NW Sa Pa, 22°21'13''N, 103°46'01''E, 2030 m, forest margin, 9.VIII.2013, V. Assing (VAHG); 1 female, N-Vietnam, pass 8 km NW Sa Pa, 22°21'13''N, 103°46'01''E, 2030 m, forest margin, 10.VIII.2013, V. Assing (VAHG); 2 males, 2 females, NVietnam, 7 km NW Sa Pa, 22°21'49''N, 103°46'49''E, 1840 m, stream valley, 1. VIII. 2013, Assing (VAHG); 2 females, N-Vietnam, 7 km NW Sa Pa, 22°21'49''N, 103°46'49''E, 1840 m, stream valley, 30.VII.2013, Wunderle (PWMG). LAOS: 2 males, 1 female: Houa Phan prov., Phu Phan Mt. 20°12'N, 104°01'E, ca. 1750 m, 17.V.- 3.VI.2007, leg. Vit Kuban (VAHG, JJRC); 1 male: Hua Pan pr. Ban Saluei, 1300-2000m, 20°13'N, 103°59'E, Phu Phan mts., 6.-18.v.2004, leg. F. & I. Kantner (MSBG). Others: 1 male, Arunachal Pradesh, Miri hills, Road from Ziro to Daporijo, 29.v.2006, G. de Rougemont leg. (GROG); 1 male, 1 female, Arunachal Pradesh, Napoli, 27.v.2006, G. de Rougemont leg. (GROG). Holotype with an identification label: “ HOLOTYPUS Diochus bilobatus sp. nov. Huang, Janák & Zhou det. 2024”. Paratypes with identification labels: “ PARATYPUS Diochus bilobatus sp. nov. Huang, Janák & Zhou det. 2024”, “ PARATYPUS Diochus bilobatus sp. nov. Janák det. 2017” or “ PARATYPUS Diochus bilobatus sp. nov. Janák det. 2022”. Measurements. BL = 4.59 mm, FL = 2.01 mm, HL = 0.64 mm, HW = 0.47 mm, EyL = 0.15 mm, TL = 0.34 mm, ANL = 1.32 mm, ANT1 = 0.21 mm, ANT2 = 0.12 mm, ANT3 = 0.13 mm, ANT4 = 0.10 mm, ANT 11 = 0.12 mm, PL = 0.72 mm, PW = 0.68 mm, EL = 0.78 mm, EW = 0.83 mm, SL = 0.55 mm. Description. Body long, narrowed anteriorly and posteriorly, medium-sized. Body dark brown, abdominal intersegmental membrane lighter. Legs yellowish brown to dark brown, tarsi distinctly lighter. Antennae brown, apex of each antennomere lighter. Maxillary and labial palpi brown. Head (Fig 3-1A). Oblong in shape, 1.36 times as long as wide. Tempora straight and parallel, posterior angles rounded. Dorsal surface shiny, bearing distinct and transverse microstriae, also with coarse and sparse punctures. Head with 5−7 irregular punctures scattered around each eye and numerous smaller punctures on deflexed portion of temple and near posterior margin. Each side of head with characteristic punctures: one frontal puncture on frontal region, two anterolateral punctures near antennal insertion, three lateral punctures near dorsal margin of eye, with temporal puncture and occipital puncture near basal margin; disc surface bearing two additional paired punctures in middle area. Frontal furrows and anteocular furrows absent. Eye medium-sized, distinctly protruding laterad, longitudinal diameter slightly shorter than half the length of tempora (eye: tempora = 0.44). Epistoma not flattened, abruptly oblique, anterior margin slightly emarginate medially. Distance between antennal insertions (0.