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Arachnids 448 - Systematic Listing

(295 speciess + 153 forms with special treatment that are not considered at the species level)

Number of records: 8.790

Last update: 29/09/2026 23:40:28

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Argentina

General Information

Argentina is located in the southernmost part of South America, bordering Bolivia and Paraguay to the north, Brazil, Uruguay, and the Atlantic Ocean to the east, the Atlantic Ocean and the Drake Passage to the south, and Chile to the west. Argentina´s geographical position is unique, as it encompasses a wide range of climates and landscapes, from the peaks of the Andes mountain range to the coast of the Atlantic Ocean. The country can be divided into several geographical regions, including the Pampas, Patagonia, Cuyo, and Chaco, each with its own geographical and climatic characteristics.

To get to Argentina, there are several transportation options. The country has several international airports, including Ministro Pistarini International Airport in Buenos Aires, which is the largest and busiest in the country. From there, you can take domestic or international flights to different destinations. You can also enter Argentina by land, through the borders with neighboring countries, or by sea, through the ports of the Atlantic Ocean. Once inside the country, you can use different modes of transportation, such as buses, trains, or cars, to get to the various places of interest.

In terms of environments and characteristics of the surroundings, Argentina is a country with great geographical diversity. The Pampas region is a fertile and flat plain, covered with grasslands and crops, while the Patagonia region is a mountainous and glacial area, with a cold and windy climate. The Cuyo region is a valley and mountain area, with a dry and sunny climate, while the Chaco region is a forest and savanna area, with a hot and humid climate. The vegetation in Argentina is also very varied, with quebracho and algarrobo forests in the Chaco region, grasslands in the Pampas, and shrubs and cacti in Patagonia.

In terms of useful logistical information, it is essential to keep in mind that Argentina is a large and diverse country, and each region has its own characteristics and needs. In general, it is recommended to plan ahead and research the climatic and geographical conditions of each place before traveling. It is also important to consider the availability of services and infrastructure in each region, as some areas may be more remote and difficult to access than others. In terms of accessibility, Argentina has a network of roads and highways that connect the different cities and towns, although some areas may be more difficult to access due to lack of infrastructure or weather conditions.

In summary, Argentina is a country with great geographical and climatic diversity, offering a variety of landscapes and environments to explore. With proper planning and prior research, it is possible to enjoy a unique and exciting nature observation experience in this country.



Compilation and publication: EcoRegistros – 18/07/2026



Regions
 Cuyo









  Order Family English Common Name Spanish Common Name Portuguese Common Name Scientific Name Belonging Records Chance of observation Conservation status Notes
301AraneaeSalticidaeSalticus mutabilisNative30IV
  
302Saphrys saitiformisNative4I
  
303Sarinda sp.Native20IV
  
304Sumampattus quinqueradiatusNot listed1I
  
305Synemosyna aurantiacaNative12III
  
306Tartamura adfectuosaNot listed1I
  
307Titanattus andinusNative14III
  
308Titanattus sp.Native2I
  
309Tullgrenella sp.Native3I
  
310Wedoquella macrothecataNative2I
  
311ScytodidaeAraña EscupidoraScytodes globulaNative89VI
  
312Scytodes sp.Native4I
  
313Spitting SpiderAraña EscupidoraScytodes univittataNative34IV
  
314SegestriidaeAriadna boesenbergiNative8III
  
315Ariadna sp.Native19III
  
316Segestria florentinaNative18III
  
317Araña De TúnelSegestriidae sp.Native1I
  
318SelenopidaeSelenops sp.Native50V
  
319SenoculidaeSenoculus sp.Native3I
  
320SicariidaeLoxosceles hirsutaNative8III
  
321Araña de RincónLoxosceles laetaExotic28IV
  
322Loxosceles sp.Native18III
  
323Arañas ArenerasSicarius rupestrisNative1I
  
324Sicarius sp.Native16III
  
325SparassidaeCaayguara sp.Not listed1I
  
326Polybetes pallidusNative5III
  
327Polybetes punctulatusNative4I
  
328Arañon del MontePolybetes pythagoricusNative159VI
  
329Polybetes rapidusNative73VI
  
330Polybetes sp.Native14III
  
331Polybetes trifoveatusNative7III
  
332TetragnathidaeLeucauge sp.Native74VI
  
333Leucauge volupisNative46V
  
334Stretch SpidersTetragnatha sp.Native65VI
  
335TheraphosidaeBolivian RedrumpAcanthoscurria chacoanaNative3I
  
336Acanthoscurria cordubensisNative10III
  
337Acanthoscurria sp.Native15III
  
338Catumiri argentinenseNative7III
  
339Araña PollitoEuathlus diamanteNative3I
  
340Euathlus sp.Native2I
  
341Eupalaestrus crassimetatarsisNative1I
  
342Araña Pollito de CollarEupalaestrus weijenberghiNative33IV
  
343Grammostola alticepsNative1I
  
344Grammostola anthracinaNative1I
  
345Grammostola burzaquensisNative5III
  
346Grammostola chalcotrixNative2I
  
347Grammostola diminutaNot listed1I
  
348Grammostola doeringiNative41V
  
349Grammostola inermisNative10III
  
350Grammostola pulchripesNative9III
  
351Uruguayan TarantulaGrammostola quirogaiNative1I
  
352Grammostola sp.Native44V
  
353Grammostola vachoniNative17III
  
354Homoeomma uruguayenseNative8III
  
355Chilean OcelotPhrixotrichus vulpinusNative6III
  
356Plesiopelma longisternaleNative16III
  
357Plesiopelma sp.Not listed1I
  
358Pterinopelma longisternaleNative9III
  
359Pterinopelma roseumNative21IV
  
360Pterinopelma sp.Native8III
  
361Theraphosidae sp.Native8III
  
362TheridiidaeAchaearanea trapezoidalisNative1I
  
363Argyrodes sp.Native6III
  
364Ariamnes sp.Native1I
  
365Cryptachaea sp.Not listed3I
  
366Emertonella taczanowskiiNative1I
  
367Episinus porteriNative3I
  
368Widow SpiderViuda Negra CoralinaViúva-negraLatrodectus corallinusNative1I
  
369Viuda PardaLatrodectus geometricusNative109VI
  
370Viuda Negra RupícolaLatrodectus mirabilisNative34IV
  
371Latrodectus sp.Native29IV
  
372Latrodectus variegatusNative1I
  
373Red House SpiderNesticodes rufipesNative17III
  
374Parasteatoda tepidariorumNative40V
  
375Phoroncidia sp.Not listed1I
  
376Platnickina adamsoniNative3I
  
377Steatoda ancorataNative10III
  
378Steatoda grossaNative71VI
  
379Steatoda retortaNative4I
  
380Steatoda sabulosaNative4I
  
381Steatoda sp.Not listed3I
  
382Steatoda triangulosaNative152VI
  
383Araña de Tela IrregularTheridiidae sp.Native3I
  
384Theridion calcynatumNot listed4I
  
385Theridion sp.Native18III
  
386Thwaitesia sp.Not listed2I
  
387Tidarren sisyphoidesNot listed3I
  
388Wamba crispulusNative2I
  
389ThomisidaeAphantochilus sp.Not listed2I
  
390Epicadus heterogasterNot listed2I
  
391Misumena sp.Native1I
  
392Misumenoides athleticusExotic2I
  
393Misumenops callinurusNative13III
  
394Araña CangrejoMisumenops sp.Native184VI
  
395Ozyptila praticolaNot listed1I
  
396Stephanopoides sexmaculataNative1I
  
397Synaemops pugilatorNative1I
  
398Synaemops sp.Native1I
  
399Thomisidae sp.Native30IV
  
400Tmarus sp.Native10III
  
401TitanoecidaeGoeldia sp.Native3I
  
402TrachelidaeMeriola cetiformisNative5III
  
403Meriola sp.Native14III
  
404Trachelidae sp.Native1I
  
405Trachelopachys cingulipesNative77VI
  
406Trachelopachys sp.Native27IV
  
407TrechaleidaeTrechaleidae sp.Native4I
  
408TrochanteriidaeVectius nigerNative2I
  
409UloboridaeMiagrammopes sp.Not listed1I
  
410Sybota sp.Native1I
  
411Uloboridae sp.Not listed3I
  
412Uloborus plumipesNative37IV
  
413Zosis geniculatusNative2I
  
414XenoctenidaeOdo bruchiNative2I
  
415Araña XenocténidaXenoctenus sp.Native2I
  
416Xenoctenus unguiculatusNative2I
  
417ZodariidaeCybaeodamus enigmaticusNative2I
  
418Cybaeodamus meridionalisNative4I
  
419Cybaeodamus sp.Native12III
  
420Leprolochus birabeniNative4I
  
421Platnickia bergiNative1I
  
422ScorpionesBothriuridaeEscorpión BonaerenseBothriurus bonariensisNative33IV
  
423Burmeister´s ScorpionEscorpión de BurmeisterBothriurus burmeisteriNot listed5III
  
424Chacoan ScorpionEscorpión ChaqueñoBothriurus chacoensisNative3I
  
425Bothriurus cordubensisNative3I
  
426Bothriurus flavidusNative5III
  
427Bothriurus jesuitaNative6III
  
428Bothriurus noaNative2I
  
429Bothriurus olaenNative2I
  
430Bothriurus patagonicusNative3I
  
431Bothriurus prospicuusNot listed8III
  
432Bothriurus sp.Native16III
  
433Ventania ScorpionEscorpión de VentaniaBothriurus voyatiNot listed3I
  
434Brachistosternus angustimanusNative6III
  
435Brachistosternus sp.Native3I
  
436Orobothriurus famatinaNative1I
  
437Timogenes dorbignyiNot listed5III
  
438Timogenes elegansNative4I
  
439Timogenes sp.Native3I
  
440Urophonius brachycentrusNative2I
  
441Urophonius sp.Not listed1I
  
442Vachonia martineziNative2I
  
443ButhidaeTityus argentinusNative5III
  
444Tityus bahiensisNative3I
  
445Escorpión TityusTityus carrilloiNative81VI
  
446Tityus confluensNative11III
  
447Tityus sp.Native11III
  
448Zabius fuscusNative8III
  
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