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Flag of Paraguay Paraguay

Arachnids 53 - Systematic Listing

(42 speciess + 11 forms with special treatment that are not considered at the species level)

Number of records: 72

Last update: 04/10/2026 19:40:25

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Paraguay

General Information

Paraguay is a country located in the center of South America, bordered by Argentina to the south, Brazil to the east and north, and Bolivia to the northwest. Its territory covers an area of approximately 406,752 square kilometers, with a variety of ecoregions and environments ranging from tropical forests to savannas and wetlands. The country´s geography is characterized by being mostly flat, with some hills and mountains in the north and east. The Paraguay River, which runs through the country from north to south, is the main waterway and plays a crucial role in the country´s economy and ecology.

Paraguay´s geographical location makes it a strategic place for nature observations, as it is located at the intersection of several ecoregions and has a wide range of environments. The country has a network of roads and highways that connect the main cities and towns, making it easy to access different natural areas. The capital, Asunción, is the main entry point to the country and has an international airport that receives flights from several cities in America and Europe. From there, buses or taxis can be taken to reach other parts of the country.

The climate in Paraguay varies by region, with higher temperatures in the north and east, and lower temperatures in the south. The rainy season runs from October to March, and is the best time to visit the country if you want to observe nature in its fullest splendor. However, it is essential to consider that during this time, roads may be flooded, and access to some areas may be limited. In terms of infrastructure, Paraguay has a network of hotels and accommodations that range from budget-friendly options to luxury resorts, especially in the most popular tourist areas.

The vegetation in Paraguay is diverse and adapts to the different climatic and geographical conditions of the country. Tropical forests are found in the north and east, while savannas and grasslands dominate the landscape in the south and center. The country also has a large number of wetlands and protected areas, such as the Paraguayan Pantanal, which is one of the most biodiverse regions on the planet. To access these areas, it is necessary to obtain permits and authorizations from the relevant authorities, especially if you plan to conduct research or nature observation activities.

In terms of services, Paraguay has a network of guides and tour operators that offer excursion and safari services in different natural areas of the country. These services can include transportation, accommodation, and food, and are designed to meet the needs of visitors who want to explore Paraguayan nature. However, it is crucial to research and plan ahead, as some of these services may have restrictions or require advance reservations.

In summary, Paraguay is a country with a wide range of ecoregions and environments, offering unique opportunities for nature observations. The country´s geographical location, climate, and infrastructure make it an attractive destination for nature lovers, and its friendly and hospitable people guarantee an unforgettable experience for visitors.



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
1OpilionesGonyleptidaeGeraeocormobius sylvarumNative2IV
  
2Krateromaspis dilatataNative1III
  
3AraneaeAraneidaeActinosoma pentacanthumNative1III
  
4Alpaida bicornutaNative1III
  
5Alpaida carmineaNative3V
  
6Araña Tejedora del Falso CaraguatáAlpaida quadrilorataNative1III
  
7Alpaida rubellulaNative3V
  
8Araña Tejedora NaranjaAlpaida veniliaeNative2IV
  
9Araneus guttatusNative1III
  
10Araneus uniformisNative1III
  
11Silver argiopeAraña Plateada De JardínArgiope argentataNative2IV
  
12Argiope trifasciataNot listed1III
  
13Tropical Orb WeaverEriophora fuligineaNative1III
  
14Bolas SpiderAraña BoleadoraMastophora sp.Native1III
  
15Mecynogea sp.Not listed1III
  
16Micrathena nigrichelisNative1III
  
17Micrathena patruelisNative1III
  
18Araña de Ocho EspinasMicrathena swainsoniNative1III
  
19Ocrepeira covilleiNative1III
  
20ÑandutíAranha do CerradoParawixia bistriataNot listed2IV
  
21Araña Tejedora DoradaAranha-de-fio-douradoTrichonephila clavipesNative1III
  
22Trichonephila sexpunctataNot listed1III
  
23CtenidaeAncylometes concolorNot listed1III
  
24Araña del BananeroArmadeiraPhoneutria nigriventerNative1III
  
25LycosidaeAllocosa paraguayensisNative3V
  
26Hogna gumiaNative3V
  
27Araña Lobo De Quelíceros RojosLycosa erythrognathaNative1III
  
28Araña Lobo de PastizalLycosa pampeanaNative1III
  
29Lycosidae sp.Native3V
  
30Pavocosa sp.Native1III
  
31OxyopidaeHamataliwa sp.Native1III
  
32PholcidaeSmeringopus pallidusNative1III
  
33PisauridaeArchitis spinipesNative1III
  
34Thaumasia veloxNot listed2IV
  
35SalticidaeFrigga sp.Native1III
  
36Megafreya sutrixNot listed1III
  
37Gray Wall JumperSaltarina Gris de ParedAranha-saltadora-cinzaMenemerus bivittatusNative1III
  
38Phiale tristisNative1III
  
39Philira micansNative1III
  
40SelenopidaeSelenops sp.Native1III
  
41TetragnathidaeLeucauge volupisNative1III
  
42TheraphosidaeCyriocosmus versicolorNative1III
  
43Grammostola pulchripesNative3V
  
44Nhandu carapoensisNative2IV
  
45Theraphosidae sp.Native1III
  
46TheridiidaeWidow SpiderViuda Negra CoralinaViúva-negraLatrodectus corallinusNative1III
  
47Viuda PardaLatrodectus geometricusNative2IV
  
48Latrodectus sp.Not listed1III
  
49TrechaleidaeTrechaleidae sp.Native1III
  
50Trechaleoides sp.Native1III
  
51TrochanteriidaeVectius nigerNative1III
  
52ScorpionesButhidaeTityus bahiensisNative1III
  
53Tityus confluensNative1III
  
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