Trechus (Trechus) additus J.Schmidt, 2016 Paratype
Male adult
S TIBET 27.VI.2011 / Kurum Vall., S Nampa side / vall., 51-5350m, lg. Schmidt / 29°40’16N 90°45’48E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) additus J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 27.VI.2011 / Kurum Vall., S Nampa side / vall., 51-5350m, lg. Schmidt / 29°40’16N 90°45’48E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) aghiazicus Belousov & Kabak, 2019 Paratype
Male adult
China, Xinjiang, W of Narat Mt. R, sources of right tributary of Tshong-Muyuny River near Biyke Pass , 42º40´20´´ N / 81º20´50´´ E— 42º38´40´´ N / 81º21´30´´ E, 3100–3800 m, 26.07.2003, Kabak I. leg.” ( ZISP)
Copyright © Ilya Kabak

Trechus (Trechus) alpicola alpicola Sturm, 1825: 93
Male adult
CZ, W Bohemia, Šumava Mts.; 3,5mm
Copyright © Aleš Sedláček

Trechisibus (Trechisibus) brevis Allegro & Giachino, 2016 Holotype
Male adult
"Argentina, Neuquen, Pen. Quetrihué, 12.II.1998, legit Riccardo Sciaky (CAl). Image from Allegro & Giachino, 2016" - wrong label. specimen from Koralpe (Austria)
Copyright © - - -

Trechus (Trechus) amplicollis Fairmaire, 1859
Female adult
W-Ukraine, Ciscarpathian, Lviv Region, Stryi distr., Biletskyi forest, near Pyatnychany vill., 28.V-1.VII.2011, Panin R. leg./det.Rizun V.B. L=4.5 mm
Copyright © Ruslan Panin

Trechus (Trechus) amplicollis Fairmaire, 1859h: CXIIX
Female adult
CZ, N Moravia, Jeseníky Mts.; 4,5mm
Copyright © Aleš Sedláček

Trechus (Trechus) amplicollis Fairmaire, 1859h: CXIIX
Male adult
W-Ukraine, Ciscarpathian, Lviv Region, Stryi distr., Biletskyi forest, near Pyatnychany vill., 28.V-9.VI.2013, Panin R. leg., L=5.5mm
Copyright © Denis Khrapov

Trechus (Trechus) anichtchenkoi Toribio, 2012 Holotype
Male adult
Photo Vicente Ortuño
Copyright © ---

Trechus (Trechus) anichtchenkoi Toribio, 2012
Male adult
Photo Vicente Ortuño
Copyright © - - -

Trechus (Trechus) anichtchenkoi Toribio, 2012
Male adult
Photo Vicente Ortuño
Copyright © - - -

Trechus (Trechus) antonini Deuve, 1998d: 149
Male genitalia
Lhachen La (Larghen La)
Copyright © Joachim Schmidt

Trechus (Trechus) apicalis Motschulsky, 1845b: 347
Male adult
Canada
Photo of Henri Goulet
Copyright © Henri Goulet

Trechus (Trechus) arnoldii Belousov, 1987: 594
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) astrophilus Schmidt, 2009 Paratype
Male adult
TIBET (South Central) 19.VI.07, Budha Vall. N of Yangpachem, ca. 30°11’07N 90°28’42E, 5300–5600 m
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) astrophilus Schmidt, 2009 Paratype
Male adult
Nyainqentanglha Shan: Bhuda Valley
Copyright © Joachim Schmidt

Trechus (Trechus) austriacus Dejean, 1831a: 15
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) beusti (Schaufuss, 1863)
Endophallus
Zegama, Cueva de San Adrián
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) beusti (Schaufuss, 1863)
Male adult
Zegama, Cueva de San Adrián
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bouilloni Faille, Bourdeau & Fresneda, 2012 Paratype
Male adult
Spain, Navarra, Sierra de Urbasa–Andía, Lizarraga, Puerto de Lizarraga, MSS, trap: 1–5–1980/15–8–1980, Bourdeau and Fresneda leg.
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bouilloni Faille, Bourdeau & Fresneda, 2012 Paratype
Endophallus
Spain, Navarra, Sierra de Urbasa–Andнa, Lizarraga, Puerto de Lizarraga, MSS, trap: 1–5–1980/15–8–1980, Bourdeau and Fresneda leg.
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bourdeaui Fresneda, Valenzuela & Faille, 2015 Holotype
Male adult
España,Asturias,Quirós-Salcedo,CuevaVallemuñón,21.III.2014,E.Valenzuela leg. (CFL). Image from Fresneda, Valenzuela & Faille, 2015
Copyright © - - -

Trechus (Trechus) bruckii Fairmaire, 1862a: 548
Endophallus
Gourette, Lac d’Anglas, 20–8–2000, Bourdeau leg.
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bruckii Fairmaire, 1862a: 548
Male adult
Pic de Jaout, dans la zone subalpine, vers 1500 m
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bruckoides Faille, Bourdeau & Fresneda, 2012 Paratype
Endophallus
Pic Montagnon, 15–VII–1979, Bourdeau leg.
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) bruckoides Faille, Bourdeau & Fresneda, 2012 Paratype
Male adult
Pic Montagnon, 15–VII–1979, Bourdeau leg.
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) budhaensis linchungensis J.Schmidt, 2016 Holotype
Male adult
S TIBET, ca. 30km W of / Yangpachem, 9.VII.2010 / Linchung Vall. 4950-5270m / 30°06’56’’N 90°20’24’’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) budhaensis linchungensis J.Schmidt, 2016 Holotype
Male genitalia
S TIBET, ca. 30km W of / Yangpachem, 9.VII.2010 / Linchung Vall. 4950-5270m / 30°06’56’’N 90°20’24’’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) budhaensis budhaensis
Male genitalia
S Tibet, Nyainqentanglha Shan, N of Yangpachem, 5200-5300 m, env. of 30°07’17N 90°26’53E, 7.VII.2010, leg. J. Schmidt (CSCHM). specimen from 5 km SW of type locality
Copyright © Joachim Schmidt

Trechus (Trechus) carpaticus Rybinski, 1902b: 11
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) carrilloi Toribio et Rodriguez, 1997: 283
Male adult
Aedeagus
Copyright © Marcos Toribio

Trechus (Trechus) carrilloi Toribio et Rodriguez, 1997: 283
Male adult

Copyright © Marcos Toribio

Trechus (Trechus) chaklaensis Schmidt, 2009 Paratype
Female adult
TIBET South Centr. 17.VII.07, Lhundup area, above Chak La 5000–5200 m, ca. 30°07’05N 91°16’31E
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) chalybeus Dejean, 1831
Male adult
Image from Donabauer, 2014
Copyright © - - -

Trechus (Trechus) championi Jeannel, 1920d: 109
Male adult
India, Uttarakhand, 13-15.04.2012, Uttarkashi distr., N30°57'41.57", E78°41'54.75" left tributary of Bhagirathi riv., 2300 m, Anichtchenko A. leg. det. Anichtchenko A.
Copyright © Alexander Anichtchenko

Trechus (Trechus) christinae J.Schmidt, 2016 Paratype
Male adult
S TIBET, E of Yangpachem / above Shemalung Monastery / 4900-5400m 19.VII.2010 / 30°07’42’’N 90°36’16’’E
Copyright © Joachim Schmidt

Trechus (Trechus) christinae J.Schmidt, 2016 Paratype
Male genitalia
S TIBET, E of Yangpachem / above Shemalung Monastery / 4900-5400m 19.VII.2010 / 30°07’42’’N 90°36’16’’E
Copyright © Joachim Schmidt

Trechus (Trechus) comma Belousov & Kabak, 2021 Paratype
Male adult
China, NW Sichuan, NE of Lixian, N Tonghua, basin of river near Pingshitou, S of Shibanpengzi, H~3900 m, 22.08.2002, Belousov I. & Kabak I. leg.” [31°44´41´´N / 103°22´50´´E].
Copyright © - - -

Trechus (Trechus) concinnus Tschitscherine, 1904b: 148
Female adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) conformis Jeannel, 1927
Male adult
Gualale, near campground at Gualale river, 2.V.2013, leg. M. Donabauer. Image from Donabauer, 2014
Copyright © - - -

Trechus (Trechus) cratocephalus Belousov & Kabak, 2019 Paratype
Male adult
CH, Xinjiang , W of Narat Mt. R, 7–9 km SE of Sarkhob village, 42°47´15´´ N / 81°14´45´´ E— 42°46´00´´ N / 81°15´20´´ E, 2200–2550 m, 23.07.2003, Kabak I.I. leg.” ( ZISP)
Copyright © Ilya Kabak

Trechus (Trechus) custos Wollaston, 1854
Male adult
Madeira, Funchal, 11-16.9.2004. det. Anichtchenko A. 2019
Copyright © Alexander Anichtchenko

Trechus (Trechus) demissus Jeannel, 1962a: 92
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) divergens Meixner, 1939 Paratype
Male adult
Image from Donabauer, 2025
Copyright © - - -

Trechus (Trechus) dongola J.Schmidt, 2016 Paratype
Male adult
S TIBET 18.VI.2011 / vall. SE of Dongo La pass / 4900-5300m, leg. Schmidt / 28°46’N 87°57’E
Copyright © Joachim Schmidt

Trechus (Trechus) dongola J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 18.VI.2011 / vall. SE of Dongo La pass / 4900-5300m, leg. Schmidt / 28°46’N 87°57’E
Copyright © Joachim Schmidt

Trechus (Trechus) dongulaensis Schmidt, 2009 Paratype
Female adult
TIBET South Centr., 6.VII.07, 120 km W Lhasa, 2 km NE Dongu La pass, 4800–5000 m, ca. 29°45’01N 89°51’11E”
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) dromai J.Schmidt, 2016 Paratype
Male adult
S TIBET, N of Yangpachem / Nyainqentanglha Shan / 4900-5100m 6+7.VII.2010 / 30°06’57’’N 90°27’24’’E
Copyright © Joachim Schmidt

Trechus (Trechus) dromai J.Schmidt, 2016 Paratype
Male genitalia
S TIBET, N of Yangpachem / Nyainqentanglha Shan / 4900-5100m 6+7.VII.2010 / 30°06’57’’N 90°27’24’’E
Copyright © Joachim Schmidt

Trechus (Trechus) dzermukensis Iablokoff-Khnzorian, 1963a: 56
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) folwarcznyi Deuve, 1998d: 150
Male genitalia
S-Tibet, ca. 40 km SW of Yangpachem, Pijin moraine, 5000-5500 m, 29°45’36’’N 90°17’54’’E, 13.VII.2010, leg. J. Schmidt
Copyright © Joachim Schmidt

Trechus (Trechus) fontinalis Rybinski, 1901
Male adult
W Ukraine, NE Carpathians Mts., Chornogora Mt Range, h=2015m, 7.VI.2015, R. Panin leg./det. L= 5mm.
Copyright © Ruslan Panin

Trechus (Trechus) frater J.Schmidt, 2016 Holotype
Male adult
S TIBET 10.VI.2011 / upper Neyam Chu Vall. / 4900-5200m leg. Schmidt / 30°14’N 91°02’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) frater J.Schmidt, 2016 Holotype
Male genitalia
S TIBET 10.VI.2011 / upper Neyam Chu Vall. / 4900-5200m leg. Schmidt / 30°14’N 91°02’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) frigophilus J.Schmidt, 2016 Holotype
Male adult
S TIBET 25.VI.2011 / Lobha La E of Zuru Tso / 5570m, leg. J. Schmidt / 29°54’34’’N 86°42’26’’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) frigophilus J.Schmidt, 2016 Holotype
Male genitalia
S TIBET 25.VI.2011 / Lobha La E of Zuru Tso / 5570m, leg. J. Schmidt / 29°54’34’’N 86°42’26’’E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) fulvus fulvus Dejean, 1831
Male adult
Madeira, Funchal,11-16.9.2004. det. Anichtchenko A., 2019
Copyright © Alexander Anichtchenko

Trechus (Trechus) gamae Reboleira & Serrano, 2009 Paratype
Male adult
Algar do Pena, UTM: 29SND16596841, 18.8.2007 ; P. Sofia Reboleira leg. (MNHN http://coldb.mnhn.fr/catalognumber/mnhn/ec/ec7460)
Copyright © Alexander Anichtchenko

Trechus (Trechus) glabratus Schmidt, 2009 Paratype
Female adult
TIBET South Centr. 6.VII.07, Doru Tshu Vall. SW Dongu La, 4500–4600 m, ca. 29°43’16N 89°47’12E
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) goliath Belousov et Kabak, 1992b: 833
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) gongshanensis Deuve & Liang, 2016 Holotype
Male adult
Image from Deuve et al, 2016
Copyright © - - -

Trechisibus (Trechisibus) sciakyi Allegro & Giachino, 2016 Holotype
Male adult
"Argentina, Neuquen, Pen. Quetrihué, 12.II.1998, legit Riccardo Sciaky (CSc). Image from Allegro & Giachino, 2016" - wrong label
Copyright © - - -

Trechus (Trechus) gravidus Putzeys, 1870b: 44
Female adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) grenieri Pandelle, 1867
Endophallus
Nistos, Bas–Nistos, Grotte de l’Eglise (Bonadona 1971, Corbaz & Jauzion 1988)
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) grenieri Pandelle, 1867
Male adult
Nistos, Bas–Nistos, Grotte de l’Eglise (Bonadona 1971, Corbaz & Jauzion 1988)
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) hiekei hiekei Paratype
Male genitalia
TIBET Chüsül Vall. / W slope Rana side vall. / 5-5300m, 3.VII.2010 / 29°30’47N 90°40’35E
Copyright © Joachim Schmidt

Trechus (Trechus) hiekei hiekei Paratype
Male adult
TIBET Chüsül Vall. / W slope Rana side vall. / 5-5300m, 3.VII.2010 / 29°30’47N 90°40’35E
Copyright © Joachim Schmidt

Trechus (Trechus) hiekei subtiliformis J.Schmidt, 2016 Holotype
Male genitalia
TIBET 27.VI.2011 / Kurum Vall., S Nampa side / vall., 51-5350m, lg. Schmidt / 29°40’16N 90°45’48E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) hiekei subtiliformis J.Schmidt, 2016 Holotype
Male adult
TIBET 27.VI.2011 / Kurum Vall., S Nampa side / vall., 51-5350m, lg. Schmidt / 29°40’16N 90°45’48E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) hoppi hoppi Jeannel, 1927: 334
Male adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) humboldti Vandyke, 1945
Female adult
Creative Commons CC-BY 3.0
Copyright © David Maddison

Trechus (Trechus) humboldti Vandyke, 1945
Male adult
Image from Donabauer, 2014
Copyright © - - -

Trechus (Trechus) indicus indicus Putzeys, 1870b: 175
Male adult
China, Yunnan. Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) isabelae Borges & Serrano, 2007
Male adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) isfanensis isfanensis Paratype
Male adult
N slps Turkestan Mt. rng., Aktash Mts., Maran pass, 20 km SSW Isphana, 3000 m, 5.06.1996, A. Putchkov leg.
Copyright © Alexander Anichtchenko

Trechus (Trechus) ithae Reitter, 1888b: 83
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) jorgensis Oromi et Borges, 1991: 5
Male adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) kantegiricus Belousov et Kabak, 1994a: 15
Male adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) kouroshi Muilwijk, Seiedy & Wrase, 2021 Holotype
Male adult
Iran, Kohgiluyeh and Boyer-Ahmad / Suq cave, 812 m/ 30°49ˊ25.9´´N, 50° 25ˊ37.9´´ E, 5.vi.2019 / S. Rahideh, Y. Fatemii & J. Muilwijk leg. deposited in HMIM
Copyright © Jan Muilwijk

Trechus (Trechus) kouroshi Muilwijk, Seiedy & Wrase, 2021
Male genitalia

Copyright © Jan Muilwijk

Trechus (Trechus) kricheldorffi Wagner, 1913
Female adult
Spain, Mt. Cantabricos, Picos de Europa, 2200m, 3km NW mirador Fuente De, 22.07.2019, A. Anichtchenko & R. Sciaky leg.; det. M. Toribio, 2019
Copyright © Alexander Anichtchenko

Trechus (Trechus) kurentzovi Lafer, 1989
Male adult
South Primorye, Shkotovsky district, 6.5 km S of Anisimovka vill., Litovka (Falaza) Mt., h=635, 43°06'45"N 132°47'22"E 24.V.2025 leg.K.Makarov L=2.9 mm
Copyright © Kirill Makarov

Trechus (Trechus) kurentzovi Lafer, 1989
Male genitalia
South Primorye, Shkotovsky district, 6.5 km S of Anisimovka vill., Litovka (Falaza) Mt., h=635, 43°06'45"N 132°47'22"E 24.V.2025 leg.K.Makarov
Copyright © Kirill Makarov

Trechus (Trechus) kurentzovi Lafer, 1989
Female adult
South Primorye, Shkotovsky district, 6.5 km S of Anisimovka vill., Litovka (Falaza) Mt., h=635, 43°06'45"N 132°47'22"E 24.V.2025 leg.K.Makarov L=2.8 mm
Copyright © Kirill Makarov

Trechus (Trechus) lama Schmidt, 2009 Paratype
Female adult
“TIBET (South Central) 29.VI.07, Dulong, Kurum vall. NW Lhasa, 4900–5200 m, ca. 29°42’18N 90°35’16E”, “south ascent of Tsubu side valley, above Tsurphu Monastery”
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) lama Schmidt, 2009 Paratype
Male genitalia
Kurum Valley, Tsubu side valley
Copyright © Joachim Schmidt

Trechus (Trechus) latus latus Putzeys, 1847
Male adult
SK, C Slovakia, Nízké Tatry Mts.; 4mm
Copyright © Aleš Sedláček

Trechus (Trechus) latus latus Putzeys, 1847: 310
Female adult

Copyright © Kirill Makarov

Trechisibus (Trechisibus) parvulus Allegro & Giachino, 2016 Holotype
Male adult
"Argentina, Neuquen, Pen. Quetrihué, 12.II.1998, legit Riccardo Sciaky (CSc)" - wrong label. Specimen from Koralpe (Austria). Image from Allegro & Giachino, 2016
Copyright © - - -

Trechus (Trechus) liopleurus jailensis Winkler, 1911
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) luzhangensis Deuve & Liang, 2016 Holotype
Male adult
Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) martinae Schmidt, 2009 Paratype
Female adult
“TIBET (South Central) 21.VII.07, Gyama vall. ca. 60 km E Lhasa, 4900–5230 m, ca. 29°40’36N 91°35’33E”, “north west ascent of Chungenpo Shong side vall.”
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) matejkai Vsetecka, 1938: 81
Female adult
SK, C Slovakia, Nízké Tatry Mts.; 3mm
Copyright © Aleš Sedláček

Trechus (Trechus) medius Meixner, 1939
Male adult
Bulgaria, Montana S, Mt. Kom, Kom hut, N 43.1751°, E 23.0805°, 1600 m a.s.l., 28.V.2023. Image from Donabauer, 2025
Copyright © - - -

Trechus (Trechus) menpa J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 7.VI.2011 / N Menpa Monastery / 5100-5350m lg. Schmidt / 30°07’56N 92°12’11E
Copyright © Joachim Schmidt

Trechus (Trechus) menpa J.Schmidt, 2016 Paratype
Male adult
S TIBET 7.VI.2011 / N Menpa Monastery / 5100-5350m lg. Schmidt / 30°07’56N 92°12’11E
Copyright © Joachim Schmidt

Trechus (Trechus) mieheorum Schmidt, 2009 Holotype
Male adult
TIBET South Centr. 18.VII.07, Reting Tsangpo Vall. E Reting, upp. Kiykiy side vall. 4900–5200 m, 30°24’38N 91°41’10E” (SMNS).
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) mingguangensis Deuve & Liang, 2016 Holotype
Male adult
Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) montanheirorum Oromi et Borges, 1991: 7
Male adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) mordkovitschi Shilenkov, 1982a: 90
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) muguensis Schmidt, 2009 Paratype
Female adult
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) sachalinensis Lafer, 1989: 141
Male adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) nakaguroi Ueno, 1960
Male genitalia
Trechus nakaguroi nakaguroi (A–D) andd T. nakaguroi saсhalinensis (E, F): A – Asahi-dake, Hokkaido; B – River Zolotaya, Kunashir Island; C – River Saratovskaya, Kunashir Island; D – a stream near Lake Vodopadnoe, Kunashir; E – mouth of River Anna, Sakhalin Island; F – Ulyanovka, Sakhalin Isl.
Copyright © Kirill Makarov

Trechus (Trechus) nami J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 22.VII.2010 Namtso / Nyainqentanglha Shan N-slope / valley of eastern tributary of / Shashe Tsu riv., 5100-5450m”, “30°34’25N 90°44’39E to / 30°34’28N 90°45’28E
Copyright © Joachim Schmidt

Trechus (Trechus) nami J.Schmidt, 2016 Paratype
Male adult
S TIBET 22.VII.2010 Namtso / Nyainqentanglha Shan N-slope / valley of eastern tributary of / Shashe Tsu riv., 5100-5450m, 30°34’25N 90°44’39E to / 30°34’28N 90°45’28E
Copyright © Joachim Schmidt

Trechus (Trechus) neyamensis J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 10.VI.2011 / upper Neyam Chu Vall. / 4900-5200m leg. Schmidt / 30°14’N 91°02’E
Copyright © Joachim Schmidt

Trechus (Trechus) neyamensis J.Schmidt, 2016 Paratype
Male adult
S TIBET 10.VI.2011 / upper Neyam Chu Vall. / 4900-5200m leg. Schmidt / 30°14’N 91°02’E
Copyright © Joachim Schmidt

Trechus (Trechus) nigrinus Putzeys, 1847: 306
Male adult
SK, SW Slovakia, Malé Karpaty; 3,5mm
Copyright © Aleš Sedláček

Trechus (Trechus) nigrocruciatus Wollaston, 1854: 64
Female adult
Madeira
Copyright © Vittorino Monzini

Trechus (Trechus) ovipennis Motschulsky, 1845
Male adult
E of Eureka, Elk River, 4.V.2013, leg. M. Donabauer; Image from Donabauer, 2014
Copyright © - - -

Trechus (Trechus) parvifrater J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 9.VI.2011 / N-slope Neyam Chu Vall. / ca. 5100m, leg. Schmidt / 30°15’N 91°02’E
Copyright © Joachim Schmidt

Trechus (Trechus) parvifrater J.Schmidt, 2016 Paratype
Male adult
S TIBET 9.VI.2011 / N-slope Neyam Chu Vall. / ca. 5100m, leg. Schmidt / 30°15’N 91°02’E
Copyright © Joachim Schmidt

Trechus (Trechus) picoensis Machado, 1988: 2
Male adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) pieltaini Jeannel, 1920e: 155
Endophallus
Cueva de Mairuelegorreta
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) pieltaini Jeannel, 1920e: 155
Male adult
Cueva de Mairuelegorreta
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) pilisensis pilisensis Csiki, 1918
Male adult
W.Ukraine, NW Podolian,
near Lviv city, forest Vynnitsky, on shore lake, 22.IV-17.V.2011, Panin R. leg
L= 4 mm

Copyright © Ruslan Panin

Trechus (Trechus) pilonensis Toribio, 2014
Male adult
Spain, Raicedo-Colunga (M. del Sueve), Asturias, 3.12.2016, M. Toribio leg. (cAA)
Copyright © Alexander Anichtchenko

Trechus (Trechus) planipennis Rosenhauer, 1856: 41
Male adult
Spain, Sierra Nevada, 2300m det. A. Anichtchenko
Copyright © Kirill Makarov

Trechus (Trechus) plicatulus L. Miller, 1868
Habitat

Copyright © Ruslan Panin

Trechus (Trechus) plicatulus L. Miller, 1868
Male adult
W Ukraine, NE Carpathians, Chornagora Mt Range, alpin zone, 11.VI-1.IX.2015, Panin R. & Kanarsky Yu. leg. L=4.8 mm
Copyright © Ruslan Panin

Trechus (Trechus) pochoni Jeannel, 1939
Male adult
Efra lake, Switzerland
Copyright © Vittorino Monzini

Trechus (Trechus) pseudomontanellus Rizun, 1994
Male adult
W Ukraine, NE Carpathians,Transcarpathian Reg., Marmarosh Mts., near Lug vill., bank of Kuziy (Kizi) stream, 400m 18.V.2015, Panin R. leg. L= 4.5 mm
Copyright © Ruslan Panin

Trechus (Trechus) pseudomontanellus Rizun, 1994: 30
Female adult
W Ukraine, NE Carpathians, Transcarpathian Reg., Marmarosh Mts., near Lug vill., bank of Kuziy (Kizi) stream, h=400 m, 2.VII.2021, Panin R. leg. L= 4.5 mm
Copyright © Denis Khrapov

Trechus (Trechus) pseudoqiqiensis Deuve & Liang, 2016 Holotype
Female adult
Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) pulchellus pulchellus Putzeys, 1846
Female adult
SK, C Slovakia, Donovaly; 3mm
Copyright © Aleš Sedláček

Trechus (Trechus) putchkovi Belousov et Kabak, 1996: 382 Paratype
Male adult
S Kyrgyzstan, Alai Mts. rng., Gultcha riv., Kysyl-Alai env., 3100 m, 7.07.1995, A. Putchkov leg. (Collection Enrico Ruzzier)
Copyright © Alexander Anichtchenko

Trechus (Trechus) qiqiensis Deuve & Kavanaugh, 2016 Holotype
Male adult
Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) quadrimaculatus Motschulsky, 1850
Male adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) quadristriatus (Schrank, 1781)
Female adult
length: 3,5-4,5 mm
Germania, Bayern, Oberfranken, Kulmbach
leg.det. U.Schmidt, 1976
Photo: U.Schmidt, 2008
Copyright © U.Schmidt

Trechus (Trechus) rarus Schmidt, 2009 Holotype
Male genitalia
South Central Tibet: Nyainqentanglha Shan
Copyright © Joachim Schmidt

Trechus (Trechus) reebi Queinnec & Olliver, 2013 Paratype
Male adult
Ethiopia, Oromia, Bale Mts, NP Sanatee Plateau, 06°46′259″N / 039°45′282″E, h=3460 m.15.V.2012, leg. M.Egger
Copyright © Denis Khrapov

Trechus (Trechus) religiosus Schmidt, 2009 Paratype
Male adult
TIBET (South Central) 11.VII.07, SW slope Nyanchentangla 5100–5500 m, 30°18’24,0N 90°35’48,0E
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) religiosus birze J. Schmidt, 2016 Paratype
Male genitalia
S TIBET 12.VI.2011 / N-slope Mt. Birze / 4880-5120m lg. Schmidt / 30°03’N 90°32’E
Copyright © Joachim Schmidt

Trechus (Trechus) religiosus birze J. Schmidt, 2016 Paratype
Male adult
S TIBET 12.VI.2011 / N-slope Mt. Birze / 4880-5120m lg. Schmidt / 30°03’N 90°32’E
Copyright © Joachim Schmidt

Trechus (Trechus) religiosus lhai J. Schmidt, 2016 Paratype
Male genitalia
S TIBET, E Nyainqentanglha / Feng, E-slope Lha Tsu Vall. / 5000-5350m 20.VII.2010 / 30°22’47N 90°43’22E
Copyright © Joachim Schmidt

Trechus (Trechus) religiosus lhai J. Schmidt, 2016 Paratype
Male adult
S TIBET, E Nyainqentanglha / Feng, E-slope Lha Tsu Vall. / 5000-5350m 20.VII.2010 / 30°22’47N 90°43’22E
Copyright © Joachim Schmidt

Trechus (Trechus) religiosus religiosus Paratype
Male adult

Copyright © Joachim Schmidt

Trechus (Trechus) religiosus nigropiceus J. Schmidt, 2016 Paratype
Male genitalia
S TIBET 11.VI.2011 / N-slope Lombuk Chu Vall. / 5100-5400m leg. Schmidt / 30°13’46N 90°31’52E
Copyright © Joachim Schmidt

Trechus (Trechus) religiosus nigropiceus J. Schmidt, 2016 Paratype
Male adult
S TIBET 11.VI.2011 / N-slope Lombuk Chu Vall. / 5100-5400m leg. Schmidt / 30°13’46N 90°31’52E
Copyright © Joachim Schmidt

Trechus (Trechus) rolwalingensis rolwalingensis s.str. Holotype
Male adult
NEPAL Rolwaling Vall., Yarlung Ri base camp 4600–4800 m, 16.–18.9.1999 lg. Schmidt” (SMNS)
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus rotundipennis (as Trechisibus longipenis Allegro & Giachino, 2016) Holotype
Male adult
"Argentina, Neuquen, Pen. Quetrihué, 12.II.1998, legit Riccardo Sciaky (CSc)." - wrong label. Specimen from Koralpe (Austria). Image from Allegro & Giachino, 2016
Copyright © - - -

Trechus (Trechus) rubens (Fabricius, 1792)
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) saluki Belousov & Kabak, 2019 Paratype
Male adult

Copyright © Ilya Kabak

Trechus (Trechus) santaluciaensis Donabauer, 2014 Paratype
Male adult
Monterey County, Big Sur, 28.IV.2013, leg. M. Donabauer; Image from Donabauer, 2014
Copyright © - - -

Trechus (Trechus) saxicola Putzeys, 1870
Male adult
Imago: Puerto de Ventana 1586 m; Aedeagus: Puerto de Pajares 1378 m. Image from Fresneda, Valenzuela & Faille, 2015
Copyright © - - -

Trechus (Trechus) schyberosiae Szallies & Schüle, 2011 Holotype
Male adult
Kanton Luzern, Schrattenfluh, unterhalb Hengst, 2100 m, 14.6.2009, leg. A. Szallies (NMBE).
Drawing Peter Schuele
Copyright © Peter Schüle

Trechus (Trechus) sculptipennis Schmidt, 2009 Paratype
Female adult
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) sharovae Belousov & Kabak, 2021 Paratype
Male adult
China, NW Sichuan, NE of Lixian, N of Tonghua, basin of river near Pingshitou, H~3300–3500 m, 19.08.2002, Belousov I. & Kabak I. leg.” [31°43´49´´N / 103°23´11´´E — 31°44´15´´N / 103°22´54´´E].
Copyright © - - -

Trechus (Trechus) sharpi Jeannel, 1921c: 179
Endophallus
Quijas, Cueva la Cuevona, 13–IX–1995
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) shibalicus Deuve & Kavanaugh, 2016 Holotype
Male adult
Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) shiyueliang Deuve & Kavanaugh, 2016 Holotype
Male adult
CHINA, Yunnan, Fugong County, Lishadi Township, 10-11 km w of Shibali on Shibali Road, 3200-3280 m, NN27.19980°/E98.71375° to N27.20654°/E98.71772°,”/ 8 August 2005, Stop#DHK-2005-068 D.H. Kavanaugh, H.B. Liang, P. Paquin, & D.Z. Dong collectors (IOZ). Image from Deuve et al, 2016
Copyright © - - -

Trechus (Trechus) singularis Schmidt, 2009 Holotype
Male genitalia
Shogu La Pass, W-slope
Copyright © Joachim Schmidt

Trechus (Trechus) solhoeyi Schmidt, 2009 Paratype
Male adult
TIBET South Centr. 17–20.VI.07, Budha Vall. N of Yangpachem, ca. 30°10’56N 90°29’21E, 5000–5200 m. Image of Johannes Reibnitz (SMNS)
Copyright © - - -

Trechus (Trechus) solhoeyi Schmidt, 2009 Paratype
Male genitalia
Nyainqentanglha Shan, Bhuda Valley
Copyright © Joachim Schmidt

Trechus splendes (as Trechisibus striatus Allegro & Giachino, 2016) Holotype
Male adult
"Argentina, Neuquen, Pen. Quetrihué, 12.II.1998, legit Riccardo Sciaky (CSc)." - wrong label. Specimen from Koralpe (Austria). Image from Allegro & Giachino, 2016
Copyright © - - -

Trechus (Trechus) stratiotes stratiotes s.str. Paratype
Male adult
“NEPAL Prov. Karnali Distr. Humla, 16 km W Simikot, 3 km NW Sankha La, 4300–4800 m, 29°57’18’’N 81°39’30’’E, HF 29.–30.06.2001, leg. A. Kopetz, stone-debris & alpine mats”
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) striatulus Putzeys, 1847
Female adult
SK, C Slovakia, Nízké Tatry Mts.; 3,5mm
Copyright © Aleš Sedláček

Trechus (Trechus) suturalis Putzeys, 1870
Male adult
Spain, Cantabria, 2 km E Puerto de San Glorio, near Vejo riv., 43.072369, -4.733061, 1300 m., 23.07.2019, A. Anichtchenko & R. Sciaky leg. ; det. M. Toribio, 2019
Copyright © Alexander Anichtchenko

Trechus (Trechus) tarbagataicus Belousov et Kabak, 1992b: 829
Male adult
det. K. Makarov
Copyright © Kirill Makarov

Trechus (Trechus) tatai Reboleira & Ortuño, 2010
Female adult
Algar do Javali Cave, Montejunto karst massif, Portugal. Image from Reboleira & Eusébio, 2021
Copyright © - - -

Trechus (Trechus) tchibiloevi Anichtchenko, 2009 Holotype
Male adult
Russia, East Siberia, Irkutsk Territory, 18 km
N Ust Kut, valley of Lena River, 28.07.2008 Shavrin A., Enustschenko I. leg.
photo Anichtchenko A.
Copyright © Alexander Anichtchenko

Trechus (Trechus) tenuiscapus Lindroth, 1961
Male adult
along the Bristelcone Pine trail, 2300m , GBNP (EMEC344626), Nevada, Great Basin National Park. 4.9 mm
Copyright © Kipling W. Will

Trechus (Trechus) terceiranus Machado, 1988
Female adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) terrabravensis Borges; Serrano & Amorim, 2004
Male adult
Azorean Biodiversity Portal
Copyright © Enésima Pereira Mendonça

Trechus (Trechus) terskeiensis ukokensis Belousov & Kabak, 1996
Male adult

Copyright © Kirill Makarov

Trechus (Trechus) tetracoderus Gemminger et Harold, 1868
Female adult
Madeira, Funchal, 11-16.9.2004. 4.8 mm. det. Anichtchenko A., 2019
Copyright © Alexander Anichtchenko

Trechus (Trechus) tishetshkini Belousov et Kabak, 1994b: 33
Female adult

Copyright © Kirill Makarov

Trechus (Trechus) torgaut Belousov & Kabak, 2019 Paratype
Male adult
China, Xinjiang, sources of Kunges River, left bank near Adunkur 1 Pass , ESE of Kunges-Linchan, 2500–3100 m, 13.07.2001, Kabak I.I. leg.” [43º12´00´´ N / 84º47´40´´ E— 43º11´15´´ N / 84º47´20´´ E] ( ZISP)
Copyright © Ilya Kabak

Trechus (Trechus) transversicollis Schmidt & Faille, 2018 Holotype
Male adult
ETHIOPIA, Bale Mts, Harenna Forest, E Rira, alt. 2690 m, 06°43′25″ N, 39°45′25″ E, Feb. 2007
Copyright © Joachim Schmidt

Trechus (Trechus) tsampa Schmidt, 2009 Holotype
Male adult
“TIBET (South Central) 29.VI.07, Dulong, Kurum vall. NW Lhasa, 4900–5150 m, ca. 29°40’31N 90°46’16E”, “Namba side valley, ascent south west of Namba” (SMNS).
photograph of Johannes Reibnitz (SMNS)
Copyright © ---

Trechus (Trechus) tsampa striatopunctatus J.Schmidt, 2016 Paratype
Male genitalia
S TIBET 11.VII.2010 / Mt. Bir Tse 5-5350m / glacier vall. N of Ice Fall / N of 29°57’27’’N 90°31’06’’E
Copyright © Joachim Schmidt

Trechus (Trechus) tsampa striatopunctatus J.Schmidt, 2016 Paratype
Male adult
S TIBET 11.VII.2010 / Mt. Bir Tse 5-5350m / glacier vall. N of Ice Fall / N of 29°57’27’’N 90°31’06’’E
Copyright © Joachim Schmidt

Trechus (Trechus) tsampa tsampa Paratype
Male genitalia

Copyright © Joachim Schmidt

Trechus (Trechus) tsanmensis Belousov & Kabak, 2019 Paratype
Male adult
China, Xinjiang, Narat Mt. Range, sources of Zhasylkol River (left trib. of Za- nma River ) 3000–3200 m, 24.06.2001, Kabak I.I. leg.” [43º12´00´´ N / 83º39´00´´ E— 43º11´40´´ N / 83º39´00´´ E] ( ZISP)
Copyright © Ilya Kabak

Trechus (Trechus) tseringi Schmidt, 2009 Paratype
Male genitalia
Dongu La Pass, N-slope
Copyright © Joachim Schmidt

Trechus (Trechus) tseringi Schmidt, 2009 Paratype
Male adult
Dongu La Pass, N-slope
Copyright © Joachim Schmidt

Trechus (Trechus) uhagonii uhagonii s.str.
Endophallus
Cueva de Orobe
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) uhagonii uhagonii s.str.
Male adult
Cueva de Orobe
Photo Faille, Bourdeau & Fresneda, 2012
Copyright © ---

Trechus (Trechus) utsi J.Schmidt, 2016 Holotype
Male genitalia
S TIBET Utzi N of Lhasa / 5-5100m, 1.VII.2010 / 29°42’52N 91°01’56E (CSCHM).
Copyright © Joachim Schmidt

Trechus (Trechus) utsi J.Schmidt, 2016 Paratype
Male adult
S TIBET Utzi N of Lhasa / 5-5100m, 1.VII.2010 / 29°42’52N 91°01’56E
Copyright © Joachim Schmidt

Trechus (Trechus) wrzecionkoianus Deuve, 2005
Male genitalia
specimen from locus typicus = paratype of T. chaklaensis Schmidt, 2009
Copyright © Joachim Schmidt

Trechus (Trechus) xiongmao Belousov & Kabak, 2021 Paratype
Male adult
China, NW Sichuan, NW of Lixian, 9 km W of Shangmeng, scree above timber-line 3600–3800 m, 23.07.2002, Belousov I. & Kabak I. leg.” [31°40´30´´N / 103° 02´25´´E].
Copyright © - - -

Trechus (Trechus) yak yak Paratype
Male genitalia
Nyainqentanglha Shan, Bhuda Valley
Copyright © Joachim Schmidt

Trechus (Trechus) yeti Schmidt, 2009 Holotype
Male adult
TIBET South Centr. 3–4.VII.07, NE of Shogu La pass 5000–5350 m 29°54’48–29°57’20N 90°08’28–90°07’49E (SMNS). image of Johannes Reibnitz (SMNS)
Copyright © Joachim Schmidt

Trechus (Trechus) yeti Schmidt, 2009 Paratype
Male genitalia
Shogu La Pass, NE-slope
Copyright © Joachim Schmidt

Trechus (Trechus) zolotikhini Belousov, 1990
Male adult
det. K. Makarov
Copyright © Kirill Makarov