Arácnido Taxonomy

New georeferenced records of Tityus serrulatus Lutz & Mello, 1922 (Scorpiones: Buthidae) for state of Mato Grosso, midwestern Brazil

Diversification of Dolichothele mottai (Araneae: Theraphosidae), a Cerrado endemic tarantula

An Epidemiological Overview of Envenomation Involving Latrodectus sp. and Unidentified Spider Species in Southern Brazil

High diversity and population structure in a widespread tarantula Sickius longibulbi (Mygalomorphae: Theraphosidae)

A new genus and five new species of arboreal tarantulas (Araneae: Theraphosidae) from Brazil

Analysis of the Proteome and Biochemistry of Venom from Tityus confluens, a Scorpion That Can Be Involved in Severe Envenomation Cases in Brazil

Impact of Climate Change on the Distribution of Tityus Scorpions (Buthidae) in the Amazon: Implications for Conservation Units and Indigenous Territories

First epidemiological reports and urban range extension of Tityus trivittatus Kraepelin, 1898 (Scorpiones: Buthidae) in Paraná, Brazil

Three new Cybaeodamus Mello-Leitão, 1938 species from Brazil (Araneae, Zodariidae)

New species of Jambu Miglio, Perafán & Pérez-Miles, 2024 and Guyruita Guadanucci, Lucas, Indicatti & Yamamoto, 2007 (Araneae: Theraphosidae) from Brazil, with notes on Hapalopus Ausserer, 1875

A new species of tiny arboreal tarantula of the genus Typhochlaena C. L. Koch, 1850 (Araneae, Theraphosidae) from the State of Bahia, Brazil

Drinking to the last drop! Record of honeydew consumption by a ghost spider (Araneae: Anyphaenidae) in an urban environment in southeastern Brazil

First record of Micrepeira hoeferi (Araneae, Araneidae) in the state of Ceará, Brazil

List of spider species in an urban forest fragment in the Brazilian Amazon with 16 new local records and 3 new records for Brazil

Adding a piece to the scorpion distribution puzzle: expanding the records of Tityus (Tityus) confluens Borelli, 1899 (Scorpiones, Buthidae) in southern Brazil

Cannibalistic behavior in Rhopalurus laticauda Thorell, 1876 and Tityus silvestris Pocock, 1897 (Scorpiones: Buthidae) under captivity in the extreme north of the Brazilian Amazon

An overview of spider accidents in the Brazilian Amazon

Uaica gen. nov., a new genus of huntsman spiders from the Brazilian Amazonia (Araneae: Sparassidae)

Taxonomy and Distribution of the Cave-Dwelling Scorpions Troglorhopalurus (Scorpiones, Buthidae), with the Description of a New Cave-Restricted Species

Extending the distribution of Latrodectus corallinus Abalos, 1980 (Araneae: Theridiidae) in South America: first record for Brazil