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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
1IxodidaIxodidaeGarrapata EstrellaAmblyomma sculptumNot listed1I
  
2Amblyomma sp.Native6III
  
3Amblyomma tigrinumNative8III
  
4Amblyomma tristeNative4I
  
5Garrapata PararicinusIxodes pararicinusNot listed1I
  
6Ixodes sp.Not listed1I
  
7Ixodidae sp.Not listed1I
  
8Southern Cattle TickGarrapata Común Del BovinoCarrapato De BoiRhipicephalus microplusNot listed2I
  
9Garrapata Marrón del PerroRhipicephalus sanguineusNative37IV
  
10MesostigmataPhytoseiidaePhytoseiulus sp.Native1I
  
11OpilionesCosmetidaeCosmetidae sp.Native1I
  
12Metalibitia paraguayensisNative1I
  
13GonyleptidaeAcanthopachylus robustusNative48V
  
14Discocyrtus sp.Not listed2I
  
15Discocyrtus testudineusNative7III
  
16Geraeocormobius sylvarumNative27IV
  
17Gonyleptidae sp.Native5III
  
18Opisthoplatus prospicuusNative33IV
  
19Chinchina Of The "sierras De Córdoba"Opilión de las Sierras PampeanasPachyloidellus butleriNative3I
  
20Pachyloidellus goliathNative4I
  
21Pachyloides sp.Native2I
  
22Pachyloides thorelliiNative16III
  
23Pachylus chilensisNative1I
  
24Parampheres pectinatusNot listed1I
  
25Sadocus polyacanthusNot listed1I
  
26SclerosomatidaeHolmbergiana weyenberghiNot listed2I
  
27Nelima doriaeNative6III
  
28Sclerosomatidae sp.Native2I
  
29ProstigmataTetranychidaeTwo-spotted Spider MiteAcaro de Dos PuntosTetranychus urticaeNative5III
  
30PseudoscorpionidaChernetidaeChernetidae sp.Native1I
  
31Parachernes sp.Native9III
  
32SolifugaeAmmotrechidaeSand SpiderAraña AreneraOltacola gomeziNot listed1I
  
33Procleobis patagonicusNative3I
  
34Pseudocleobis sp.Native4I
  
35TrombidiformesErythraeidaeBalaustium sp.Native2I
  
36Ácaro De TerciopeloErythraeidae sp.Native1I
  
37AraneaeActinopodidaeSouth American Trapdoor SpiderAraña TramperaCaranguejeira De AlçapãoActinopus sp.Native26IV
  
38AgelenidaeBarn Funnel WeaverTegenaria domesticaNative6III
  
39AnyphaenidaeAnyphaenidae sp.Native19III
  
40Arachosia praesignisNative32IV
  
41Arachosia proseniNative3I
  
42Arachosia sp.Native27IV
  
43Aysha sp.Native8III
  
44Philisca atrataNative1I
  
45Sanogasta maculatipesExotic9III
  
46Sanogasta sp.Native12III
  
47Tasata sp.Native8III
  
48Teudis cordobensisNative1I
  
49Tomopisthes horrendusNative5III
  
50Tomopisthes sp.Not listed1I
  
51Xiruana sp.Native26IV
  
52AraneidaeAcacesia hamataNative2I
  
53Acacesia sp.Native2I
  
54Actinosoma pentacanthumNative28IV
  
55Alpaida bicornutaNative8III
  
56Alpaida carmineaNative9III
  
57Alpaida costaiNative2I
  
58Araña Tejedora RojaAlpaida gallardoiNative127VI
  
59Alpaida grayiNative7III
  
60Alpaida hoffmanniNot listed2I
  
61Alpaida latroNative7III
  
62Alpaida leucogrammaNative24IV
  
63Araña Tejedora del Falso CaraguatáAlpaida quadrilorataNative15III
  
64Alpaida rostratulaNative16III
  
65Alpaida rubellulaNative7III
  
66Alpaida sp.Native9III
  
67Alpaida trispinosaNative1I
  
68Alpaida truncataNot listed1I
  
69Araña Tejedora NaranjaAlpaida veniliaeNative191VI
  
70Alpaida versicolorNative70VI
  
71Araneidae sp.Native9III
  
72Araneus corporosusNot listed2I
  
73Araña del LimoneroAraneus lathyrinusNative60VI
  
74Araneus omnicolorNative6III
  
75Araneus sp.Native28IV
  
76Araneus uniformisNative24IV
  
77Araneus workmaniNative29IV
  
78Silver argiopeAraña Plateada De JardínArgiope argentataNative472VI
  
79Argiope ericaeNative2I
  
80Argiope sp.Native10III
  
81Argiope trifasciataNative54V
  
82Cyclosa bifurcataNative1I
  
83Cyclosa diversaNative8III
  
84Cyclosa machadinhoNative7III
  
85Cyclosa sp.Native11III
  
86Dubiepeira sp.Not listed3I
  
87Tropical Orb WeaverEriophora fuligineaNative1I
  
88Eustala sp.Native31IV
  
89Eustala tribrachiataNot listed1I
  
90Spiny-backed OrbweaverGasteracantha cancriformisNot listed25IV
  
91Hypognatha sp.Native2I
  
92Kaira sp.Native2I
  
93Larinia sp.Native22IV
  
94Larinia t-notataNative3I
  
95Larinia tucumanNot listed1I
  
96Mangora lacteaNative29IV
  
97Mangora sp.Native7III
  
98Bolas SpiderAraña BoleadoraMastophora sp.Native8III
  
99Mecynogea sp.Native18III
  
100Metazygia gregalisNot listed16III
  
101Metazygia sp.Native30IV
  
102Metepeira sp.Native89VI
  
103Micrathena crassaNative1I
  
104Micrathena crassispinaNative3I
  
105Micrathena excavataNot listed2I
  
106Micrathena flaveolaNot listed1I
  
107Micrathena furcataNative80VI
  
108Micrathena furvaNative20IV
  
109Micrathena nigrichelisNative5III
  
110Micrathena patruelisNative1I
  
111Micrathena planaNative4I
  
112Micrathena sp.Native8III
  
113Micrathena spitziNative1I
  
114Araña de Ocho EspinasMicrathena swainsoniNative39IV
  
115Neoscona moreliNative1I
  
116Nephila pilipesNot listed1I
  
117Ocrepeira sp.Native16III
  
118Paraverrucosa heteracanthaNative1I
  
119Paraverrucosa sp.Not listed1I
  
120Parawixia audaxNative172VI
  
121ÑandutíAranha do CerradoParawixia bistriataNative214VI
  
122Parawixia chubutNative4I
  
123Parawixia sp.Native46V
  
124Parawixia undulataNative11III
  
125Parawixia velutinaNative9III
  
126Popperaneus sp.Native1I
  
127Pronous sp.Native2I
  
128Araña Tejedora DoradaAranha-de-fio-douradoTrichonephila clavipesNative321VI
  
129Trichonephila sexpunctataNative57V
  
130Trichonephila sp.Native2I
  
131Verrucosa meridionalisNative4I
  
132Verrucosa sp.Native5III
  
133Wagneriana sp.Not listed2I
  
134Silver-sided Sector SpiderAraña de Flancos PlateadosZygiella x-notataNative7III
  
135CheiracanthiidaeCheiracanthium inclusumNative2I
  
136North Yellow Sac SpiderAraña Saco Amarillo Del NorteCheiracanthium mildeiNative2I
  
137Cheiracanthium sp.Native31IV
  
138Eutichurus sp.Native3I
  
139CorinnidaeCastianeira coquitoNot listed1I
  
140Castianeira sp.Native7III
  
141Corinna sp.Native2I
  
142Corinnidae sp.Native3I
  
143Creugas liseiNative9III
  
144Falconina gracilisNative18III
  
145Myrmecotypus dacetonoidesNot listed1I
  
146CtenidaeAncylometes concolorNative23IV
  
147Ancylometes sp.Not listed2I
  
148Asthenoctenus borelliiNative74VI
  
149Araña Deambuladora de PastizalCentroctenus brevipesNative15III
  
150Ctenidae sp.Native5III
  
151Ctenus ornatusNot listed1I
  
152Ctenus sp.Native1I
  
153Enoploctenus cyclothoraxNot listed3I
  
154Isoctenus ordinarioNative1I
  
155Araña del BananeroArmadeiraPhoneutria nigriventerNative36IV
  
156Phoneutria sp.Native2I
  
157DesidaeBadumna longinquaNative50V
  
158Metaltella simoniNative71VI
  
159Metaltella sp.Native31IV
  
160DiguetidaeDiguetia catamarquensisNative5III
  
161DipluridaeDiplura paraguayensisNative1I
  
162DrymusidaeDrymusa serranaNot listed1I
  
163DysderidaeWoodlouse SpiderDysdera crocataExotic71VI
  
164FilistatidaeSouthern Crevice SpiderAraña de los TimbresAranha-das-fendasKukulcania hibernalisNative335VI
  
165Pikelinia mahuellNative2I
  
166Pikelinia sp.Native1I
  
167GnaphosidaeApopyllus sp.Native2I
  
168Eilica sp.Native2I
  
169Gnaphosidae sp.Native3I
  
170Latonigena auricomisNative34IV
  
171Latonigena pampaNot listed1I
  
172Latonigena sp.Native5III
  
173Mouse SpiderAraña Terrestre de BlackwallAranha-terrestre-de-blackwallScotophaeus blackwalliExotic4I
  
174Hahniidae Hahniidae sp.Not listed1I
  
175HersiliidaeHersiliidae sp.Native2I
  
176Iviraiva sp.Native6III
  
177Ypypuera cruciferaNot listed1I
  
178LinyphiidaeDubiaranea sp.Native13III
  
179Linyphiidae sp.Native29IV
  
180Sphecozone ignigenaNative3I
  
181Sphecozone sp.Native4I
  
182Tutaibo veloxNative5III
  
183LycosidaeAbaycosa nanicaNative7III
  
184Agalenocosa grismadoiNot listed1I
  
185Agalenocosa sp.Native9III
  
186Aglaoctenus lagotisNative61VI
  
187Aglaoctenus oblongusNative3I
  
188Allocosa alticepsNot listed2I
  
189Allocosa paraguayensisNative9III
  
190Allocosa senexNative8III
  
191Allocosa sp.Not listed1I
  
192Alopecosa nigricansNative1I
  
193Birabenia birabenaeNative3I
  
194Birabenia sp.Native11III
  
195Diapontia niveovittataNative9III
  
196Diapontia sp.Native6III
  
197Diapontia uruguayensisNative33IV
  
198Hogna birabeniNative1I
  
199Hogna bivittataNative17III
  
200Hogna gumiaNative16III
  
201Hogna variolosaNative1I
  
202Lobizon humilisNot listed2I
  
203Lobizon sp.Not listed6III
  
204Araña Lobo NegraLycosa auroguttataNot listed2I
  
205Lycosa australisNot listed1I
  
206Araña Lobo De Quelíceros RojosLycosa erythrognathaNative182VI
  
207Araña Lobo de PastizalLycosa pampeanaNative47V
  
208Lycosidae sp.Native89VI
  
209Paratrochosina amicaNative26IV
  
210Pavocosa sp.Native19III
  
211Araña Lobo Vientre ClaroSchizocosa malitiosaNative59VI
  
212Trochosa niveopilosaExotic4I
  
213Tropicosa moestaNative65VI
  
214Tropicosa sp.Native4I
  
215MigidaeCalathotarsus simoniNot listed1I
  
216Calatotharsus fangioiNot listed1I
  
217MimetidaePirate SpiderGelanor sp.Not listed1I
  
218MiturgidaeTeminius agalenoidesNot listed1I
  
219Teminius insularisNative12III
  
220OecobiidaeOecobius navusNative107VI
  
221OxyopidaeHamataliwa sp.Native8III
  
222Oxyopes niveosigillatusNative3I
  
223Oxyopes salticusNative66VI
  
224Aranha-linceOxyopes sp.Not listed2I
  
225Peucetia flavaNative9III
  
226Peucetia rubrolineataNative7III
  
227Peucetia sp.Not listed2I
  
228PhilodromidaeEminella sp.Native2I
  
229Fageia moschataNative16III
  
230Petrichus sp.Native16III
  
231Running Crab SpidersAraña Cangrejo CorredoraPhilodromidae sp.Native2I
  
232Tibelloides sp.Native23IV
  
233PholcidaeCrossopriza lyoniNative1I
  
234Marbled Cellar SpiderAraña De Bodega JaspeadaHolocnemus plucheiNative143VI
  
235Mesabolivar sp.Native4I
  
236Pholcidae sp.Native5III
  
237Araña De Patas LargasPholcus phalangioidesNative146VI
  
238PisauridaeArchitis capricornaNative5III
  
239Architis sp.Not listed1I
  
240Architis spinipesNot listed1I
  
241Thaumasia sp.Native2I
  
242Thaumasia veloxNative55V
  
243PycnothelidaeAcanthogonatus centralisNative3I
  
244Lycinus bonariensisNot listed1I
  
245Lycinus longipesNative4I
  
246Lycinus sp.Not listed1I
  
247Stenoterommata platenseNot listed1I
  
248SalticidaeAmycus flavicomisNative1I
  
249Aphirape flexaNative7III
  
250Aphirape riojanaNative4I
  
251Aphirape ripariaNot listed1I
  
252Aphirape sp.Native56V
  
253Asaphobelis physonychusNative7III
  
254Breda apicalisNot listed1I
  
255Breda bistriataNative5III
  
256Breda sp.Native24IV
  
257Breda tristisNot listed2I
  
258Bryantella smaragdusNative2I
  
259Chira gounelleiNative42V
  
260Chira spinosaNative6III
  
261Colonus melanogasterNot listed1I
  
262Colonus sp.Native25IV
  
263Corythalia confertaNative24IV
  
264Corythalia spiralisNative1I
  
265Cotinusa sp.Native5III
  
266Cotinusa trifasciataNative1I
  
267Cotinusa vittataNative26IV
  
268Dendryphantes mordaxNative46V
  
269Dendryphantes sp.Native35IV
  
270Euophrys melanoleucaNative5III
  
271Freya nigrotaeniataNative4I
  
272Frigga kessleriNative1I
  
273Frigga quintensisNative84VI
  
274Frigga sp.Native16III
  
275Gypogyna forcepsNative1I
  
276Helvetia cancrimanaNative6III
  
277Hisukattus sp.Native7III
  
278Jollas sp.Native1I
  
279Lyssomanes leucomelasNot listed1I
  
280Lyssomanes pauperNative22IV
  
281Lyssomanes sp.Native9III
  
282Marma argentinaNative1I
  
283Marma nigritarsisNative2I
  
284Mburuvicha galianoaeNative1I
  
285Megafreya sutrixNative236VI
  
286Gray Wall JumperSaltarina Gris de ParedAranha-saltadora-cinzaMenemerus bivittatusNative105VI
  
287Menemerus semilimbatusNative105VI
  
288Menemerus taeniatusNative2I
  
289Naubolus posticatusNative3I
  
290Naubolus sp.Not listed2I
  
291Pachomius sp.Native3I
  
292Phiale roburifoliataNative80VI
  
293Phiale sp.Native18III
  
294Phiale tristisNot listed2I
  
295Plexippus paykulliNative32IV
  
296Psecas pulcherNative2I
  
297Psecas sp.Native4I
  
298Psecas sumptuosusNative2I
  
299Saitis variegatusNative34IV
  
300Salticidae sp.Native48V
  
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