# Trechus
Trechus, Palearktik biyocoğrafik bölgesi ve Yakın Doğu'ya endemik bir karafatma cinsidir. Cinsin adı, Grekçede "koşuyorum" anlamına gelen "trécho" kelimesinden türemiştir.
Aşağıda bu cinse dahil türlerin listesi vardır:


## A.
  - "Trechus abakumovi" 
  - "Trechus abdurakhmanovi" 
  - "Trechus abeillei" 
  - "Trechus academiae" 
  - "Trechus acco" 
  - "Trechus achillecasalei" 
  - "Trechus acuticollis" 
  - "Trechus aduncus" 
  - "Trechus adustus" 
  - "Trechus aedeagalis" 
  - "Trechus aethiopicus" 
  - "Trechus agni" 
  - "Trechus agouzicus" 
  - "Trechus akibensis" 
  - "Trechus akkusianus" 
  - "Trechus aksuensis" 
  - "Trechus alajensis" 
  - "Trechus alanicus" 
  - "Trechus albanicus" 
  - "Trechus algiricus" 
  - "Trechus alicantinus" 
  - "Trechus alinae" 
  - "Trechus almonius" 
  - "Trechus alpicola" 
  - "Trechus alpigradus" 
  - "Trechus alticola" 
  - "Trechus altitudinum" 
  - "Trechus amasraensis" 
  - "Trechus ambarensis" 
  - "Trechus amblus" 
  - "Trechus amblygonellus" 
  - "Trechus amblygonus" 
  - "Trechus ambrolauricus" 
  - "Trechus amharicus" 
  - "Trechus amicorum" 
  - "Trechus amplicollis" 
  - "Trechus anae" 
  - "Trechus angelicae" 
  - "Trechus angulifer" 
  - "Trechus angusticeps" 
  - "Trechus angusticollis" 
  - "Trechus animosus" 
  - "Trechus anjuensis" 
  - "Trechus antonii" 
  - "Trechus antonini" 
  - "Trechus apache" 
  - "Trechus apicalis" 
  - "Trechus apoduvalipenis" 
  - "Trechus apusenicus" 
  - "Trechus aquilus" 
  - "Trechus arambourgi" 
  - "Trechus arizonae" 
  - "Trechus armenus" 
  - "Trechus arnoldii" 
  - "Trechus arribasi" 
  - "Trechus arsenjevi" 
  - "Trechus arshanicus" 
  - "Trechus artemisiae" 
  - "Trechus arthuri" 
  - "Trechus asetosus" 
  - "Trechus asiaticus" 
  - "Trechus assingi" 
  - "Trechus astrophilus" 
  - "Trechus atomus" 
  - "Trechus aubei" 
  - "Trechus aubryi" 
  - "Trechus austriacus" 
  - "Trechus aveyronensis" 
  - "Trechus avgolensis" 
  - "Trechus aztec" 


## B.
  - "Trechus babaulti" 
  - "Trechus babinjensis" 
  - "Trechus badius" 
  - "Trechus badzhalicus" 
  - "Trechus bajankoli" 
  - "Trechus bakeri" 
  - "Trechus bakurovi" 
  - "Trechus balfourbrownei" 
  - "Trechus balkaricus" 
  - "Trechus balsamensis" 
  - "Trechus bannaticus" 
  - "Trechus barahbisensis" 
  - "Trechus barbaritae" 
  - "Trechus barberi" 
  - "Trechus barii" 
  - "Trechus barnevillei" 
  - "Trechus barratxinai" 
  - "Trechus basarukini" 
  - "Trechus basilewskyi" 
  - "Trechus baskonicus" 
  - "Trechus bastianinii" 
  - "Trechus bastropi" 
  - "Trechus batuensis" 
  - "Trechus batyr" 
  - "Trechus bayanbulak" 
  - "Trechus baztanensis" 
  - "Trechus beatus" 
  - "Trechus bedeli" 
  - "Trechus beesoni" 
  - "Trechus beghinorum" 
  - "Trechus beieri" 
  - "Trechus belovi" 
  - "Trechus beltrani" 
  - "Trechus benahoaritus" 
  - "Trechus benesi" 
  - "Trechus bensai" 
  - "Trechus besucheti" 
  - "Trechus besuchetianus" 
  - "Trechus beusti" 
  - "Trechus bhadarwahensis" 
  - "Trechus bhutanicus" 
  - "Trechus bibulus" 
  - "Trechus biharicus" 
  - "Trechus bipartitus" 
  - "Trechus bodemeyeri" 
  - "Trechus bodius" 
  - "Trechus bogatshevi" 
  - "Trechus bogdani" 
  - "Trechus bogdoensis" 
  - "Trechus boghinorum" 
  - "Trechus bohaci" 
  - "Trechus bohemorum" 
  - "Trechus boleslavi" 
  - "Trechus boludagensis" 
  - "Trechus bonvouloiri" 
  - "Trechus bordei" 
  - "Trechus bosnicus" 
  - "Trechus bosnicus" 
  - "Trechus boudikae" 
  - "Trechus boulbeni" 
  - "Trechus bousqueti" 
  - "Trechus bowlingi" 
  - "Trechus bradycelliformis" 
  - "Trechus brancuccii" 
  - "Trechus brembanus" 
  - "Trechus brendelli" 
  - "Trechus breuili" 
  - "Trechus breuningi" 
  - "Trechus brevicaudis" 
  - "Trechus brevicorpus" 
  - "Trechus brezinai" 
  - "Trechus bruckii" 
  - "Trechus buahitensis" 
  - "Trechus budhaensis" 
  - "Trechus byzantinus" 


## C.
  - "Trechus cabrerai" 
  - "Trechus calashensis" 
  - "Trechus caliginis" 
  - "Trechus cameroni" 
  - "Trechus cantalicus" 
  - "Trechus cappadocicus" 
  - "Trechus caprai" 
  - "Trechus cardioderus" 
  - "Trechus carnioliae" 
  - "Trechus carolinae" 
  - "Trechus carpaticus" 
  - "Trechus carrilloi" 
  - "Trechus caspiricus" 
  - "Trechus castificus" 
  - "Trechus catensis"
  - "Trechus cathaicus" 
  - "Trechus caucasicus" 
  - "Trechus cautus" 
  - "Trechus cavernicola" 
  - "Trechus ceballosi" 
  - "Trechus centralis" 
  - "Trechus cephalonicus" 
  - "Trechus cephalotellus" 
  - "Trechus ceresai" 
  - "Trechus chaklaensis" 
  - "Trechus chalybeus" 
  - "Trechus championi" 
  - "Trechus chappuisi" 
  - "Trechus cheoahensis" 
  - "Trechus chillalicus" 
  - "Trechus chinensis" 
  - "Trechus chodjaii" 
  - "Trechus chokensis" 
  - "Trechus cholaensis" 
  - "Trechus chomolungma" 
  - "Trechus chormaensis" 
  - "Trechus cifrianae" 
  - "Trechus claudiae" 
  - "Trechus clingmanensis" 
  - "Trechus coelestis" 
  - "Trechus coloradensis" 
  - "Trechus compactulus" 
  - "Trechus compsus" 
  - "Trechus concinnus" 
  - "Trechus concoloratus" 
  - "Trechus conformis" 
  - "Trechus consobrinus" 
  - "Trechus constrictus" 
  - "Trechus controversus" 
  - "Trechus crassiscapus" 
  - "Trechus croaticus" 
  - "Trechus crucifer" 
  - "Trechus cryobius" 
  - "Trechus cryptophilus" 
  - "Trechus culminicola" 
  - "Trechus cumberlandus" 
  - "Trechus cuniculorum" 
  - "Trechus curticollis" 
  - "Trechus curvatilis" 
  - "Trechus custos" 
  - "Trechus cyclomus" 
  - "Trechus cyprinus" 


## D.
  - "Trechus dacatrianus" 
  - "Trechus dakushitaicus" 
  - "Trechus damchungensis" 
  - "Trechus daoensis" 
  - "Trechus davanensis" 
  - "Trechus davidiani" 
  - "Trechus davidwrasei" 
  - "Trechus debilis" 
  - "Trechus decolor" 
  - "Trechus degienensis" 
  - "Trechus delarouzeei" 
  - "Trechus deliae" 
  - "Trechus demircapicus" 
  - "Trechus demissus" 
  - "Trechus densicornis" 
  - "Trechus depressipenis" 
  - "Trechus detersus" 
  - "Trechus dichrous" 
  - "Trechus diecki" 
  - "Trechus dilizhanicus" 
  - "Trechus dilutus" 
  - "Trechus dimorphicus" 
  - "Trechus diogenes" 
  - "Trechus dioscuricus" 
  - "Trechus distigma" 
  - "Trechus distinctus" 
  - "Trechus doderoi" 
  - "Trechus dolomitanus" 
  - "Trechus donabaueri" 
  - "Trechus dongulaensis" 
  - "Trechus dorsistriatus" 
  - "Trechus dostali" 
  - "Trechus dubiatus" 
  - "Trechus dudkorum" 
  - "Trechus dulat" 
  - "Trechus dumitrescui" 
  - "Trechus duvalioides" 
  - "Trechus dzermukensis" 
  - "Trechus dzhalair" 
  - "Trechus dzhungaricus" 
  - "Trechus dzykhvensis" 


## E.
  - "Trechus egorovi" 
  - "Trechus egregius" 
  - "Trechus elburzensis" 
  - "Trechus elegans" 
  - "Trechus elgonicus" 
  - "Trechus elongatulus" 
  - "Trechus enigmaticus" 
  - "Trechus enoploides" 
  - "Trechus enoplus" 
  - "Trechus ephippiatus" 
  - "Trechus epirotes" 
  - "Trechus eremita" 
  - "Trechus erythrostomus" 
  - "Trechus escalerai" 
  - "Trechus eutrechoides" 
  - "Trechus exilipenis" 


## F.
  - "Trechus fairmairei" 
  - "Trechus felix" 
  - "Trechus ferghanicus" 
  - "Trechus fischtensis" 
  - "Trechus flavocinctus" 
  - "Trechus flavocircumdatus" 
  - "Trechus flavolimbatus" 
  - "Trechus flavomarginatus" 
  - "Trechus focarilei" 
  - "Trechus folwarcznyi" 
  - "Trechus fongondi" 
  - "Trechus fontinalis" 
  - "Trechus fortimanus" 
  - "Trechus fortipes" 
  - "Trechus fortunatus" 
  - "Trechus franzianus" 
  - "Trechus franzschuberti" 
  - "Trechus fritzbeneschi" 
  - "Trechus fulvatilis" 
  - "Trechus fulvus" 
  - "Trechus fusculus" 


## G.
  - "Trechus gagrensis" 
  - "Trechus galianus" 
  - "Trechus gallaecus" 
  - "Trechus gallorites" 
  - "Trechus gamae" 
  - "Trechus gansuensis" 
  - "Trechus genevanorum" 
  - "Trechus gigas" 
  - "Trechus gitzeni" 
  - "Trechus glabratus" 
  - "Trechus glacialis" 
  - "Trechus gloriensis" 
  - "Trechus goebli" 
  - "Trechus goelkoeyensis"
  - "Trechus goidanichi" 
  - "Trechus goliath" 
  - "Trechus golovatchi" 
  - "Trechus gomerensis" 
  - "Trechus gorkhai" 
  - "Trechus gracilitarsis" 
  - "Trechus gradloni" 
  - "Trechus grandiceps" 
  - "Trechus grandis" 
  - "Trechus gravidus" 
  - "Trechus grenieri" 
  - "Trechus guangaishanus" 
  - "Trechus gugheensis" 
  - "Trechus gulickai" 
  - "Trechus gurungi" 
  - "Trechus gusevi" 
  - "Trechus gushensis" 
  - "Trechus gwiomarchi" 


## H.
  - "Trechus hajeki" 
  - "Trechus hampei" 
  - "Trechus hangaicus" 
  - "Trechus haoe" 
  - "Trechus haoeleadensis" 
  - "Trechus hashimatoi" 
  - "Trechus hauseri" 
  - "Trechus heinzianus" 
  - "Trechus hemsinensis" 
  - "Trechus hendrichsi" 
  - "Trechus heniochicus" 
  - "Trechus himalayanus" 
  - "Trechus himalensis" 
  - "Trechus hingstoni" 
  - "Trechus hodeberti" 
  - "Trechus holzun" 
  - "Trechus hoppi" 
  - "Trechus houzhenziensis" 
  - "Trechus humboldti" 
  - "Trechus hummleri" 
  - "Trechus hurrita" 
  - "Trechus hydropicus" 
  - "Trechus hylonomellus" 


## I.
  - "Trechus idriss" 
  - "Trechus ikutanii" 
  - "Trechus ilgazensis" 
  - "Trechus ilgazicus" 
  - "Trechus imaicus" 
  - "Trechus imereticus" 
  - "Trechus impunctus" 
  - "Trechus imurai" 
  - "Trechus incisipenis" 
  - "Trechus incola" 
  - "Trechus indicus" 
  - "Trechus indicusoides" 
  - "Trechus inexpectatus" 
  - "Trechus inexspectatus" 
  - "Trechus infuscatus" 
  - "Trechus insolitus" 
  - "Trechus insubricus" 
  - "Trechus intrusus" 
  - "Trechus iranicus" 
  - "Trechus irenis" 
  - "Trechus iricolor" 
  - "Trechus irkeshtamicus" 
  - "Trechus irritus" 
  - "Trechus isabelae" 
  - "Trechus isfanensis" 
  - "Trechus ispulensis" 
  - "Trechus italicus" 
  - "Trechus ithae" 


## J.
  - "Trechus jadodraconis" 
  - "Trechus jaechi" 
  - "Trechus janaki" 
  - "Trechus janatai" 
  - "Trechus jarrigei" 
  - "Trechus jeannei" 
  - "Trechus jezerensis" 
  - "Trechus jiuzhaiensis" 
  - "Trechus jorgensis" 
  - "Trechus jugivagus" 


## K.
  - "Trechus kabakovi" 
  - "Trechus kabylicus" 
  - "Trechus kackardagi" 
  - "Trechus kahleni" 
  - "Trechus kaikanicus" 
  - "Trechus kalabi" 
  - "Trechus kalabianus" 
  - "Trechus kantegiricus" 
  - "Trechus karadenizus" 
  - "Trechus karasibensis" 
  - "Trechus karlykensis" 
  - "Trechus kashensis" 
  - "Trechus kashgarensis" 
  - "Trechus kataevi" 
  - "Trechus katranicus" 
  - "Trechus kaznakovi" 
  - "Trechus ketmenicus" 
  - "Trechus kezadonicus" 
  - "Trechus khalabicus" 
  - "Trechus khaledicus" 
  - "Trechus khnzoriani" 
  - "Trechus khorgosicus" 
  - "Trechus kiapazicus" 
  - "Trechus kimak" 
  - "Trechus kobingeri" 
  - "Trechus kocheri" 
  - "Trechus kodoricus" 
  - "Trechus kokzhotensis" 
  - "Trechus komarovi" 
  - "Trechus korae" 
  - "Trechus korbi" 
  - "Trechus korotyaevi" 
  - "Trechus korrigani" 
  - "Trechus korzhun" 
  - "Trechus kovali" 
  - "Trechus kozlovi" 
  - "Trechus krasnovi" 
  - "Trechus krejcii" 
  - "Trechus kricheldorffi" 
  - "Trechus kukunoricus" 
  - "Trechus kulpensis" 
  - "Trechus kuraicus" 
  - "Trechus kurbatovi" 
  - "Trechus kurentzovi" 
  - "Trechus kurnakovi" 
  - "Trechus kushtaicus" 


## L.
  - "Trechus labrangensis" 
  - "Trechus laevipes" 
  - "Trechus lailensis" 
  - "Trechus lallemantii" 
  - "Trechus lama" 
  - "Trechus lamjunensis" 
  - "Trechus lampros" 
  - "Trechus laranoensis" 
  - "Trechus larisae" 
  - "Trechus lassallei" 
  - "Trechus latebricola" 
  - "Trechus latibuli" 
  - "Trechus latior" 
  - "Trechus latiplatus" 
  - "Trechus latus" 
  - "Trechus laureticola" 
  - "Trechus lazicus" 
  - "Trechus lebenbaueri" 
  - "Trechus lebretae" 
  - "Trechus lederi" 
  - "Trechus ledouxianus" 
  - "Trechus legorskyi"
  - "Trechus leleupi" 
  - "Trechus lepineyi" 
  - "Trechus lepontinus" 
  - "Trechus letshkhumicus" 
  - "Trechus levillaini" 
  - "Trechus lgockii" 
  - "Trechus libanensis" 
  - "Trechus liguricus" 
  - "Trechus lijiangensis" 
  - "Trechus limacodes" 
  - "Trechus lindbergi" 
  - "Trechus linxiaicus" 
  - "Trechus liochrous" 
  - "Trechus liopleurus" 
  - "Trechus litangensis" 
  - "Trechus loebli" 
  - "Trechus loeblianus" 
  - "Trechus loeffleri" 
  - "Trechus lomakini" 
  - "Trechus longicollis" 
  - "Trechus longobardus" 
  - "Trechus longulus" 
  - "Trechus lucidus" 
  - "Trechus luculentus" 
  - "Trechus lunai" 
  - "Trechus lundbladi" 
  - "Trechus luquensis" 
  - "Trechus lusitanicus" 
  - "Trechus luteolus" 
  - "Trechus lutshniki" 


## M.
  - "Trechus maceki" 
  - "Trechus machadoensis" 
  - "Trechus machadoi" 
  - "Trechus machardi" 
  - "Trechus macrops" 
  - "Trechus maculicornis" 
  - "Trechus maderensis" 
  - "Trechus magistrettii" 
  - "Trechus magniceps" 
  - "Trechus maisaicus" 
  - "Trechus majusculus" 
  - "Trechus mallaszianus" 
  - "Trechus mandarinus" 
  - "Trechus manensis" 
  - "Trechus manzhangicus" 
  - "Trechus maomao" 
  - "Trechus maowenensis" 
  - "Trechus maqenicus" 
  - "Trechus maquensis" 
  - "Trechus marcilhaci" 
  - "Trechus marcilhacianus" 
  - "Trechus margelanicus" 
  - "Trechus marginalis" 
  - "Trechus marianii" 
  - "Trechus maritimus" 
  - "Trechus markakolensis" 
  - "Trechus martelluccii" 
  - "Trechus martensi" 
  - "Trechus martinae" 
  - "Trechus martinezi" 
  - "Trechus matejkai" 
  - "Trechus mateui" 
  - "Trechus matrismeae" 
  - "Trechus matsumotoi" 
  - "Trechus mauritanicus" 
  - "Trechus meissonnieri" 
  - "Trechus meixnerianus" 
  - "Trechus melanocephalus" 
  - "Trechus merditanus" 
  - "Trechus meregallii" 
  - "Trechus merenicus" 
  - "Trechus merkli" 
  - "Trechus meschniggi" 
  - "Trechus messoulii" 
  - "Trechus metrius" 
  - "Trechus meurguesianus" 
  - "Trechus michaeli" 
  - "Trechus micrangulus" 
  - "Trechus midas" 
  - "Trechus mieheorum" 
  - "Trechus minaicus" 
  - "Trechus minioculatus" 
  - "Trechus minshanicola" 
  - "Trechus minyops" 
  - "Trechus mirzayani" 
  - "Trechus mitchellensis" 
  - "Trechus mitjaevi" 
  - "Trechus moctezuma" 
  - "Trechus modestus" 
  - "Trechus mogul" 
  - "Trechus mongolicus" 
  - "Trechus mongolorum" 
  - "Trechus montanellus" 
  - "Trechus montanheirorum" 
  - "Trechus montanus" 
  - "Trechus montisarerae" 
  - "Trechus montiscrystalli" 
  - "Trechus montiscusnae" 
  - "Trechus montispennae" 
  - "Trechus montisrosae" 
  - "Trechus montreuili" 
  - "Trechus morandinii" 
  - "Trechus mordkovitschi" 
  - "Trechus morvanellus" 
  - "Trechus morvanianus" 
  - "Trechus mourzinellus" 
  - "Trechus mouzaiensis" 
  - "Trechus muguensis" 
  - "Trechus mumbugianus" 
  - "Trechus murzorum" 
  - "Trechus muscorum" 
  - "Trechus myanmarensis" 


## N.
  - "Trechus nairicus" 
  - "Trechus nakaguroi" 
  - "Trechus naldii" 
  - "Trechus namtsoensis" 
  - "Trechus nannus" 
  - "Trechus nantahalae" 
  - "Trechus naratensis" 
  - "Trechus narynensis" 
  - "Trechus navaricus" 
  - "Trechus nebulosus" 
  - "Trechus newar" 
  - "Trechus nigricornis" 
  - "Trechus nigrinus" 
  - "Trechus nigrocruciatus" 
  - "Trechus nikolajevi" 
  - "Trechus nishikawai" 
  - "Trechus nivicola" 
  - "Trechus nomurai" 
  - "Trechus nonveilleri" 
  - "Trechus noricus" 
  - "Trechus nothus" 
  - "Trechus novaculosus" 
  - "Trechus nugax" 
  - "Trechus numatai" 


## O.
  - "Trechus obliquebasalis" 
  - "Trechus obtusiusculus" 
  - "Trechus obtusus" 
  - "Trechus ochreatus" 
  - "Trechus ofensis"
  - "Trechus ogouzicus" 
  - "Trechus oligophthalmus" 
  - "Trechus oligops" 
  - "Trechus olympicus" 
  - "Trechus ongudaicus" 
  - "Trechus onicus" 
  - "Trechus oodes" 
  - "Trechus ordinarior" 
  - "Trechus orduensis" 
  - "Trechus oregonensis" 
  - "Trechus orientosinicus" 
  - "Trechus ormayi" 
  - "Trechus oromii" 
  - "Trechus orousseti" 
  - "Trechus orphaeus" 
  - "Trechus orthapicalis" 
  - "Trechus ortizi" 
  - "Trechus osellai" 
  - "Trechus osmanilis" 
  - "Trechus ovatus" 
  - "Trechus ovipennis" 
  - "Trechus ovtshinnikovi" 
  - "Trechus ozegaharanus" 


## P.
  - "Trechus pachycerus" 
  - "Trechus pallens" 
  - "Trechus pallidulus" 
  - "Trechus pamirensis" 
  - "Trechus pamphylicus" 
  - "Trechus paphlagonicus" 
  - "Trechus patrizzii" 
  - "Trechus pavlovskii" 
  - "Trechus pecignai" 
  - "Trechus pecoudi" 
  - "Trechus pennisii" 
  - "Trechus pereirai" 
  - "Trechus perinii" 
  - "Trechus perissus" 
  - "Trechus perpusillus" 
  - "Trechus perreaui" 
  - "Trechus pertyi" 
  - "Trechus phaeocerus" 
  - "Trechus phami" 
  - "Trechus phanagoriacus" 
  - "Trechus piazzolii" 
  - "Trechus picoensis" 
  - "Trechus pieltaini" 
  - "Trechus pilisensis" 
  - "Trechus pilosicornis" 
  - "Trechus pilosipennis" 
  - "Trechus pinkeri" 
  - "Trechus pirica" 
  - "Trechus pirinicus" 
  - "Trechus pisgahensis" 
  - "Trechus pisuenensis" 
  - "Trechus placidus" 
  - "Trechus planioculus" 
  - "Trechus planipennis" 
  - "Trechus planiusculus" 
  - "Trechus platypterellus" 
  - "Trechus plicatulus" 
  - "Trechus plottbalsamensis" 
  - "Trechus plutenkoi" 
  - "Trechus pochoni" 
  - "Trechus pohorjeensis" 
  - "Trechus polonorum" 
  - "Trechus pomonae" 
  - "Trechus priapus" 
  - "Trechus processifer" 
  - "Trechus promeces" 
  - "Trechus przewalskyi" 
  - "Trechus pseudoalmonius" 
  - "Trechus pseudoalyshensis" 
  - "Trechus pseudocholaensis" 
  - "Trechus pseudolatus" 
  - "Trechus pseudomontanellus" 
  - "Trechus pseudonovaculosus" 
  - "Trechus pseudopiceus" 
  - "Trechus puetzi" 
  - "Trechus pulchellus" 
  - "Trechus pulpani" 
  - "Trechus pulvinipenis" 
  - "Trechus pumilio" 
  - "Trechus pumilus" 
  - "Trechus pumoensis" 
  - "Trechus putchkovi" 
  - "Trechus putzeysi" 
  - "Trechus pygmaeus" 
  - "Trechus pyrenaeus" 


## Q.
  - "Trechus qagcaensis" 
  - "Trechus qinghaicus" 
  - "Trechus qinlingensis" 
  - "Trechus quadrimaculatus" 
  - "Trechus quadristriatus" 
  - "Trechus quarelicus" 


## R.
  - "Trechus raffrayanus" 
  - "Trechus rambouseki" 
  - "Trechus ramseyensis" 
  - "Trechus rarus" 
  - "Trechus ravasinianus" 
  - "Trechus regularis" 
  - "Trechus religiosus" 
  - "Trechus renei" 
  - "Trechus rhilensis" 
  - "Trechus rhodopeius" 
  - "Trechus rivularis" 
  - "Trechus rivulis" 
  - "Trechus robustapicalis" 
  - "Trechus rolwalingensis" 
  - "Trechus ronchettii" 
  - "Trechus roparzhemoni" 
  - "Trechus rosenbergi" 
  - "Trechus rotroui" 
  - "Trechus rotundatus" 
  - "Trechus rotundipennis" 
  - "Trechus rougemonti" 
  - "Trechus rouxi" 
  - "Trechus rouxioides" 
  - "Trechus rubens" 
  - "Trechus rudolphi" 
  - "Trechus rufulus" 
  - "Trechus ruthi" 


## S.
  - "Trechus sachalinensis" 
  - "Trechus safranboluensis" 
  - "Trechus sagax" 
  - "Trechus saglensis" 
  - "Trechus sajanensis" 
  - "Trechus sajuncaicus" 
  - "Trechus salassus" 
  - "Trechus sambylensis" 
  - "Trechus satanicus" 
  - "Trechus saulcyanus" 
  - "Trechus sauricus" 
  - "Trechus saxicola" 
  - "Trechus sbordonii" 
  - "Trechus scapulatus" 
  - "Trechus schaufussi" 
  - "Trechus schaumii" 
  - "Trechus schawalleri" 
  - "Trechus schillhammeri" 
  - "Trechus schimperanus" 
  - "Trechus schmalfussi" 
  - "Trechus schoenmanni" 
  - "Trechus schuelkei" 
  - "Trechus schuhi" 
  - "Trechus schwarzi" 
  - "Trechus schwienbacheri" 
  - "Trechus schyberosiae" 
  - "Trechus sciakyellus" 
  - "Trechus scitus" 
  - "Trechus scotti" 
  - "Trechus sculptipennis" 
  - "Trechus secalis" 
  - "Trechus selaensis" 
  - "Trechus semenovi" 
  - "Trechus seserligensis" 
  - "Trechus sessitanus" 
  - "Trechus setitemporalis" 
  - "Trechus shaanxiensis" 
  - "Trechus shaid" 
  - "Trechus shakhensis" 
  - "Trechus sharpi" 
  - "Trechus shatrovskyi" 
  - "Trechus shchurovi" 
  - "Trechus shilenkovi" 
  - "Trechus shinganensis" 
  - "Trechus shivalensis" 
  - "Trechus shushensis" 
  - "Trechus sichuanus" 
  - "Trechus signatus" 
  - "Trechus sikhotealinus" 
  - "Trechus silveiranus" 
  - "Trechus simbuaensis" 
  - "Trechus simienensis" 
  - "Trechus simplicens" 
  - "Trechus singularis" 
  - "Trechus sinuatus" 
  - "Trechus sinus" 
  - "Trechus sivellae" 
  - "Trechus sjoestedti" 
  - "Trechus skoupyi" 
  - "Trechus snowbirdensis" 
  - "Trechus sodalis" 
  - "Trechus sogdianus" 
  - "Trechus sokolovi" 
  - "Trechus solarii" 
  - "Trechus solhoeyi" 
  - "Trechus soma" 
  - "Trechus songoricus" 
  - "Trechus sotshiensis" 
  - "Trechus splendens" 
  - "Trechus stanovskyi" 
  - "Trechus stefanschoedli" 
  - "Trechus stictulus" 
  - "Trechus stipraisi" 
  - "Trechus straneoi" 
  - "Trechus strasseri" 
  - "Trechus stratiotes" 
  - "Trechus striatulus" 
  - "Trechus stricticollis" 
  - "Trechus strigipennis" 
  - "Trechus strongylus" 
  - "Trechus stupkai" 
  - "Trechus suan" 
  - "Trechus subacuminatus" 
  - "Trechus subcordatus" 
  - "Trechus sublaevis" 
  - "Trechus subnotatus" 
  - "Trechus subtilis" 
  - "Trechus suensoni" 
  - "Trechus sugai" 
  - "Trechus suluk" 
  - "Trechus sundukovi" 
  - "Trechus surkiensis" 
  - "Trechus susamyrensis" 
  - "Trechus suturalis" 
  - "Trechus svanicus" 
  - "Trechus sylviae" 
  - "Trechus sylvicola" 
  - "Trechus szujeckii" 


## T.
  - "Trechus taghizadehi" 
  - "Trechus talassicus" 
  - "Trechus talequah" 
  - "Trechus talgarensis" 
  - "Trechus tamangi" 
  - "Trechus tamurensis" 
  - "Trechus tarbagataicus" 
  - "Trechus tardokijanensis" 
  - "Trechus tatai" 
  - "Trechus tchibiloevi" 
  - "Trechus teberdanus" 
  - "Trechus teletskianus" 
  - "Trechus tempestivus" 
  - "Trechus tennessensis" 
  - "Trechus tenoensis" 
  - "Trechus tentek" 
  - "Trechus tenuilimbatus" 
  - "Trechus tenuiscapus" 
  - "Trechus terceiranus" 
  - "Trechus terrabravensis" 
  - "Trechus terskeiensis" 
  - "Trechus tesnensis" 
  - "Trechus tetracoderus" 
  - "Trechus thai" 
  - "Trechus thaleri" 
  - "Trechus thessalicus" 
  - "Trechus thessalonicus" 
  - "Trechus thibetanus" 
  - "Trechus thomasbarri" 
  - "Trechus thorectes" 
  - "Trechus thorungiensis" 
  - "Trechus thunderheadensis" 
  - "Trechus tianchi" 
  - "Trechus tianshanivagus" 
  - "Trechus tilitshoensis" 
  - "Trechus tingitanus" 
  - "Trechus tishetshkini" 
  - "Trechus tobiasi" 
  - "Trechus toksanbaicus" 
  - "Trechus tolucensis" 
  - "Trechus tonitru" 
  - "Trechus topaz" 
  - "Trechus toroticus" 
  - "Trechus torrentialis" 
  - "Trechus torressalai" 
  - "Trechus torretassoi" 
  - "Trechus tosioi" 
  - "Trechus trachypachys" 
  - "Trechus triamicorum" 
  - "Trechus tristiculus" 
  - "Trechus tsampa" 
  - "Trechus tseringi" 
  - "Trechus tshildebaevi" 
  - "Trechus tshitsherini" 
  - "Trechus tuckaleechee" 
  - "Trechus tumidus" 
  - "Trechus turgenicus" 
  - "Trechus turkestanicus" 
  - "Trechus turnai" 
  - "Trechus turnaianus" 
  - "Trechus turnaioides" 
  - "Trechus turukensis" 
  - "Trechus tusquitee" 
  - "Trechus tusquitensis" 
  - "Trechus tuxeni" 
  - "Trechus tychus" 
  - "Trechus tyrrhenicus" 
  - "Trechus tyshkanensis" 


## U.
  - "Trechus uenyeensis" 
  - "Trechus ulrichi" 
  - "Trechus umbricola" 
  - "Trechus uncifer" 
  - "Trechus unisetiger" 
  - "Trechus urartaeus" 
  - "Trechus usgentensis" 
  - "Trechus utschderensis" 
  - "Trechus uygur" 
  - "Trechus uygurorum" 
  - "Trechus uyttenboogaarti" 


## V.
  - "Trechus valbonensis" 
  - "Trechus valentinei" 
  - "Trechus validicollis" 
  - "Trechus validipes" 
  - "Trechus valikhanovi" 
  - "Trechus vallestris" 
  - "Trechus vandykei" 
  - "Trechus varendorffi" 
  - "Trechus verus" 
  - "Trechus vicarius" 
  - "Trechus vietnamicus" 
  - "Trechus vignai" 
  - "Trechus viti" 


## W.
  - "Trechus wagneri" 
  - "Trechus walteri" 
  - "Trechus wayahbaldensis" 
  - "Trechus weiratheri" 
  - "Trechus weiserti" 
  - "Trechus weixiensis" 
  - "Trechus winkleri" 
  - "Trechus witkowskii" 
  - "Trechus wittmeri" 
  - "Trechus wrcecionkoianus" 
  - "Trechus wrzecionkoi" 
  - "Trechus wutaicola" 


## X.
  - "Trechus xiei" 
  - "Trechus xinjiangensis" 
  - "Trechus xiwuensis" 


## Y.
  - "Trechus yak" 
  - "Trechus yanoi" 
  - "Trechus yaralensis" 
  - "Trechus yasudai" 
  - "Trechus yengensis" 
  - "Trechus yeti" 
  - "Trechus yosiianus" 


## Z.
  - "Trechus zaerensis" 
  - "Trechus zamotajlovi" 
  - "Trechus zangherii" 
  - "Trechus zarandicus" 
  - "Trechus zaslavskii" 
  - "Trechus zetteli" 
  - "Trechus zhabyk" 
  - "Trechus zhangi" 
  - "Trechus zhaosuensis" 
  - "Trechus zhdankoi" 
  - "Trechus ziganensis" 
  - "Trechus zinovievi" 
  - "Trechus zintshenkoi" 
  - "Trechus zoigeicola" 
  - "Trechus zoigensis" 
  - "Trechus zolotikhini" 
  - "Trechus zonguldakensis" 
  - "Trechus zvarici"