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Flag of Uruguay Uruguay

Arachnids 154 - Systematic Listing

(115 speciess + 39 forms with special treatment that are not considered at the species level)

Number of records: 603

Last update: 03/10/2026 23:40:26

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Uruguay

General Information

Uruguay is located in the southeastern part of South America, bordering Brazil to the north and northeast, the Atlantic Ocean to the east, the Río de la Plata to the south, and Argentina to the west. Its territory covers an area of approximately 176,215 square kilometers, with an Atlantic coastline of about 680 kilometers in length. The geography of Uruguay is characterized by being mostly flat, with some hills and mountains in the north and center of the country. The highest region is the cuchilla de Haedo, which reaches a maximum height of about 500 meters above sea level. The Uruguayan relief is also influenced by the presence of numerous streams and rivers, such as the Uruguay River, the Negro River, and the Río de la Plata, which play an important role in shaping the landscape and wildlife.

The vegetation in Uruguay is varied, with grasslands, forests, and hills covering much of the territory. The Atlantic coast features a strip of dunes and sandy beaches, while the interior of the country is characterized by a mixture of pastures and forests. The Uruguayan climate is temperate, with warm and humid summers, and cool and dry winters. The average annual temperature is around 17 degrees Celsius, with an average annual precipitation of about 1,200 millimeters. The best time to make nature observations in Uruguay is during the spring and autumn, when the weather is more pleasant and wildlife is more active.

To access Uruguay, there are several international airports, such as Carrasco International Airport, located near the capital, Montevideo. It is also possible to enter the country by land, through border crossings with Brazil and Argentina, or by sea, through the ports of Montevideo and Colonia del Sacramento. Once inside the country, it is possible to move around by car, bus, or taxi, as the road network is quite extensive and well-maintained. It is also possible to walk or cycle along rural roads and trails, which allows for a greater connection with nature and the environment.

In terms of infrastructure and services, Uruguay has a network of hotels, hostels, and campsites that offer accommodation for all tastes and budgets. It is also possible to find restaurants and eateries that serve a variety of traditional Uruguayan dishes, such as the chivito and fried torta. In the most touristy areas, such as Punta del Este and Colonia del Sacramento, there are shops, supermarkets, and tourist services, such as travel agencies and car rental companies. However, in more rural areas, services may be more limited, so it is recommended to plan ahead and bring provisions and equipment.

In general, Uruguay is a safe and welcoming country for visitors, with a friendly and hospitable population. However, it is essential to take the usual precautions to protect personal safety and the environment, such as respecting local norms and regulations, not disturbing wildlife, and not polluting the environment. With a little planning and preparation, Uruguay can be an ideal destination for those looking to connect with nature and enjoy the beauty and tranquility of the Uruguayan countryside.



Compilation and publication: EcoRegistros – 21/07/2026











  Order Family English Common Name Spanish Common Name Portuguese Common Name Scientific Name Belonging Records Chance of observation Conservation status Notes
1IxodidaIxodidaeSouthern Cattle TickGarrapata Común Del BovinoCarrapato De BoiRhipicephalus microplusNative1III
  
2OpilionesGonyleptidaeAcanthopachylus aculeatusNative6IV
  
3Acanthopachylus robustusNative3III
  
4Gonyleptidae sp.Native1III
  
5Opisthoplatus prospicuusNative2III
  
6Pachyloides thorelliiNot listed4IV
  
7Parampheres bimaculatusNot listed3III
  
8Parampheres ronaeNative3III
  
9SclerosomatidaeHolmbergiana weyenberghiNot listed2III
  
10AraneaeActinopodidaeSouth American Trapdoor SpiderAraña TramperaCaranguejeira De AlçapãoActinopus sp.Native5IV
  
11AnyphaenidaeAnyphaenidae sp.Native2III
  
12Arachosia praesignisNative3III
  
13Arachosia proseniNot listed1III
  
14Arachosia sp.Native3III
  
15Xiruana sp.Native4IV
  
16AraneidaeActinosoma pentacanthumNative1III
  
17Alpaida carmineaNot listed1III
  
18Araña Tejedora RojaAlpaida gallardoiNative7IV
  
19Alpaida latroNative12VI
  
20Araña Tejedora del Falso CaraguatáAlpaida quadrilorataNative2III
  
21Araña Tejedora NaranjaAlpaida veniliaeNot listed4IV
  
22Alpaida versicolorNative4IV
  
23Araña del LimoneroAraneus lathyrinusNative9V
  
24Araneus sp.Native3III
  
25Araneus uniformisNative3III
  
26Araneus workmaniNot listed2III
  
27Silver argiopeAraña Plateada De JardínArgiope argentataNative31VI
  
28Eustala sp.Native3III
  
29Spiny-backed OrbweaverGasteracantha cancriformisNative6IV
  
30Larinia bivittataNot listed1III
  
31Larinia sp.Native2III
  
32Mangora strenuaNative1III
  
33Bolas SpiderAraña BoleadoraMastophora sp.Not listed1III
  
34Araña BoleadoraMastophora yacareNot listed1III
  
35Metazygia gregalisNative4IV
  
36Metepeira sp.Native5IV
  
37Micrathena furcataNot listed4IV
  
38Micrathena furvaNative3III
  
39Micrathena nigrichelisNative4IV
  
40Micrathena sp.Native1III
  
41Micrathena spitziNot listed1III
  
42Parawixia audaxNative12VI
  
43Parawixia sp.Not listed2III
  
44Parawixia undulataNot listed8V
  
45Araña Tejedora DoradaAranha-de-fio-douradoTrichonephila clavipesNative8V
  
46Trichonephila sexpunctataNot listed1III
  
47Verrucosa meridionalisNative1III
  
48CheiracanthiidaeCheiracanthium sp.Native3III
  
49CorinnidaeCorinnidae sp.Native1III
  
50Creugas liseiNot listed1III
  
51Falconina gracilisNative1III
  
52CtenidaeAncylometes concolorNative1III
  
53Araña Deambuladora de PastizalCentroctenus brevipesNot listed3III
  
54Guasuctenus longipesNot listed1III
  
55DesidaeBadumna longinquaNative9V
  
56Metaltella simoniNative5IV
  
57DysderidaeWoodlouse SpiderDysdera crocataNative5IV
  
58FilistatidaeSouthern Crevice SpiderAraña de los TimbresAranha-das-fendasKukulcania hibernalisNative9V
  
59GnaphosidaeGnaphosidae sp.Native1III
  
60Latonigena auricomisNative8V
  
61LinyphiidaeLinyphiidae sp.Native1III
  
62Tutaibo veloxNot listed2III
  
63LycosidaeAglaoctenus lagotisNative17VI
  
64Aglaoctenus oblongusNative7IV
  
65Allocosa alticepsNative1III
  
66Allocosa marindiaNative1III
  
67Allocosa senexNative12VI
  
68Diapontia uruguayensisNot listed3III
  
69Hogna bivittataNative3III
  
70Lycosa carbonelliNot listed1III
  
71Araña Lobo De Quelíceros RojosLycosa erythrognathaNative13VI
  
72Lycosa poliostomaNative9V
  
73Lycosidae sp.Native7IV
  
74Paratrochosina amicaNative2III
  
75Araña Lobo Vientre ClaroSchizocosa malitiosaNative9V
  
76OecobiidaeOecobius navusNative3III
  
77OxyopidaeOxyopes salticusNative4IV
  
78Peucetia flavaNot listed1III
  
79PhilodromidaeFageia moschataNot listed2III
  
80Tibelloides sp.Native1III
  
81PholcidaeMarbled Cellar SpiderAraña De Bodega JaspeadaHolocnemus plucheiNot listed1III
  
82Mesabolivar charruaNative2III
  
83Araña De Patas LargasPholcus phalangioidesNative7IV
  
84PisauridaeThaumasia veloxNative4IV
  
85SalticidaeAphirape flexaNot listed3III
  
86Breda sp.Native2III
  
87Breda tristisNative1III
  
88Colonus sp.Native2III
  
89Coryphasia sp.Native1III
  
90Cotinusa sp.Native1III
  
91Cotinusa vittataNative2III
  
92Dendryphantes mordaxNative3III
  
93Dendryphantes sp.Not listed1III
  
94Druzia flavostriataNot listed1III
  
95Frigga quintensisNot listed3III
  
96Jollas sp.Native1III
  
97Lyssomanes pauperNative1III
  
98Mburuvicha galianoaeNative4IV
  
99Megafreya sutrixNative20VI
  
100Menemerus semilimbatusNot listed1III
  
101Phiale roburifoliataNative9V
  
102Phiale sp.Native4IV
  
103Saitis variegatusNative3III
  
104Salticidae sp.Native5IV
  
105Salticus mutabilisNot listed1III
  
106Sarinda marcosiNative3III
  
107Titanattus andinusNative2III
  
108Tulgrenella serranaNative2III
  
109ScytodidaeAraña EscupidoraScytodes globulaNative12VI
  
110SegestriidaeSegestria florentinaNative1III
  
111SelenopidaeSelenops spixiNative11V
  
112SicariidaeAraña de RincónLoxosceles laetaNot listed3III
  
113SparassidaePolybetes pallidusNative1III
  
114Polybetes punctulatusNative1III
  
115Arañon del MontePolybetes pythagoricusNative6IV
  
116Polybetes rapidusNative7IV
  
117Polybetes sp.Native2III
  
118TetragnathidaeLeucauge sp.Not listed1III
  
119Leucauge volupisNot listed3III
  
120Stretch SpidersTetragnatha sp.Native4IV
  
121TheraphosidaeAcanthoscurria cordubensisNative2III
  
122Araña Pollito de CollarEupalaestrus weijenberghiNative24VI
  
123Grammostola alticepsNot listed1III
  
124Grammostola anthracinaNative7IV
  
125Uruguayan TarantulaGrammostola quirogaiNative6IV
  
126Homoeomma uruguayenseNative1III
  
127Plesiopelma longisternaleNot listed1III
  
128TheridiidaeAnelosimus vieraeNative1III
  
129Argyrodes sp.Not listed1III
  
130Viuda PardaLatrodectus geometricusNot listed2III
  
131Red House SpiderNesticodes rufipesNot listed1III
  
132Parasteatoda tepidariorumNative10V
  
133Phoroncidia sp.Not listed1III
  
134Steatoda grossaNative10V
  
135Steatoda triangulosaNative2III
  
136Theridion calcynatumNative1III
  
137Theridion sp.Native1III
  
138ThomisidaeMisumenops callinurusNative5IV
  
139Araña CangrejoMisumenops sp.Native6IV
  
140Thomisidae sp.Native7IV
  
141Tmarus sp.Not listed1III
  
142TrachelidaeMeriola cetiformisNative1III
  
143Meriola sp.Native3III
  
144Trachelopachys cingulipesNative5IV
  
145TrechaleidaeParatrechalea ornataNot listed1III
  
146Trechalea bucculentaNot listed2III
  
147Trechaleidae sp.Not listed1III
  
148UloboridaeSybota sp.Native1III
  
149ScorpionesBothriuridaeEscorpión BonaerenseBothriurus bonariensisNot listed5IV
  
150AlacránBothriurus buecherliNot listed1III
  
151AlacránBothriurus rochensisNative6IV
  
152Bothriurus sp.Native2III
  
153Urophonius iheringiiNot listed1III
  
154ButhidaeTityus uruguayensisNative3III
  
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