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Actinosoma pentacanthum

Actinosoma pentacanthum

(Walckenaer, 1841)
Family: Araneidae
Order: Araneae
Class: Arachnida
Phylum / Division: Arthropoda
Kingdom: Animalia
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Description


Actinosoma is a genus of orb-weaver spiders containing the single species, Actinosoma pentacanthum. It was first described by E. L. Holmberg in 1883, and is found throughout South America, from Colombia to Argentina.

Source: Wikipedia, article Actinosoma pentacanthum. Content adapted from Wikipedia, available under the CC BY-SA 4.0 license. Accessed on 16/07/2026.





Geographic distribution


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Latest feeding records

Is consumed, preyed upon or captured by...
GroupSpeciesDateUser
BirdsCardenilla (Paroaria capitata)08/11/2014Alec Earnshaw



Species photographs

Count: 24

Foto
Photography ID: 632298
  Adult
Colonia Elisa
Chaco
Argentina
01/05/2025
Hector Emanuel Agosto
Foto
Photography ID: 541091
  Adult
Luque
Central
Paraguay
07/10/2023
Guillermo Menéndez
Foto
Photography ID: 485879
  Adult
Cerca de Bella Unión
Artigas
Uruguay
03/04/2022
Mauricio Silvera
Foto
Photography ID: 481391
  Adult
Gowland
Buenos Aires
Argentina
01/30/2022
Alec Earnshaw
Foto
Photography ID: 379547
♀  Adult
Yapeyú
Corrientes
Argentina
11/12/2017
Enzo Edgardo Ferreyra
Foto
Photography ID: 362217
  Adult
Concordia
Entre Ríos
Argentina
03/10/2018
Eduardo Beltrocco
Foto
Photography ID: 362205
  Adult
Concordia
Entre Ríos
Argentina
11/24/2017
Eduardo Beltrocco



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Species vocalizations

Last vocalizations published



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Species videos

Last filmings published




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Species reports



 Detail of places sorted by number of records





Species records

Count: 30



Page 1 of 3
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
228064005/01/2025ArgentinaChacoReserva Natural Educativa Colonia Elisa (nodeclarada)paraje Tres Ceibos., Colonia ElisaHector Emanuel Agosto
182020306/09/2023ArgentinaChacoRuta 11, entre Resistencia y Santa FeAgustina Eichenberger
179053210/07/2023ParaguayCentralLuqueGuillermo Menéndez
173409809/03/2023ArgentinaCorrientesColonia Carlos PellegriniMarcos Garberoglio
155959704/03/2022UruguayArtigasCerca de Bella UniónMauricio Silvera
154282530/01/2022ArgentinaBuenos AiresReserva Natural Arroyo Balta, GowlandAlec Earnshaw
191252706/02/2021ArgentinaBuenos AiresSan Nicolás de los ArroyosJavier Villamil
116872213/01/2020ArgentinaBuenos AiresÁrea preservada., Reserva Ecológica Vicente LópezMariana Mansinho
112363303/10/2019ArgentinaSanta FeMitre entre Balcarce y Arenales, Santo ToméEduardo Beltrocco
89454610/03/2019ArgentinaBuenos AiresClub de Remo y Náutica Belén de Escobar, Belén de Escobar1Sebastián Muñoz
Page 1 of 3

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Actinosoma pentacanthum – Species account. Accessed from www.ecoregistros.org on 25/09/2026.