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On Nesticus from Meridional South America (Araneae, Nesticidae)
Five new species of Nesticus Thorell, 1869 are described: N. potreiro, N. taim from southern Brazil; N. brignolii from southern Brazil, Argentina and Uruguay; N. calilegua from southern Brazil and… Expand
New record of nuptial gift observed in Trechalea amazonica (Araneae, Lycosoidea, Trechaleidae)
The first record of a nuptial gift in Trechalea amazonica F.O.P.-Cambridge, 1903, is herein presented. The observations were made in the Oriximina, Para, northern Brazil. Two males were found on tree… Expand
Notes on the predatory behavior and habitat of Trechalea biocellata (Araneae, Lycosoidea, Trechaleidae)
The predatory behavior and habitat preferences of Trechalea biocellata Mello-Leitao, 1926 are reported for the first time. Both, field and in the laboratory observations were made. This species… Expand
Redescription of Misumenoides athleticus comb. nov. (Araneae: Thomisidae), wrongly assigned to the philodromid genus Petrichus
Petrichus athleticus Mello-Leitao, 1944 was described from Punta Piedras, Argentina, based on male and female specimens. The species was originally wrongly assigned to Petrichus Simon, 1886 because… Expand
Description of two new species of Naatlo (Araneae: Theridiosomatidae) from Brazil
Naatlo Coddington, 1986 is diagnosed by the presence of the epigynal flap in the females and the reduced conductor and the more complex embolic tip in the males. In this paper it are described and… Expand
On the Neotropical genus Cybaeodamus (Araneae, Zodariidae, Storeninae)
Four new species of the spider genus Cybaeodamus Mello-Leitao, 1938 are described and illustrated: C. meridionalis sp. nov. from Brazil and Argentina, C. taim sp. nov. from Brazil, Argentina and… Expand
On the taxonomy of southern South American species of the wolf spider genus Allocosa (Araneae: Lycosidae: Allocosinae).
Three species of the genus Allocosa Banks, 1900 from southern South America are redescribed: Allocosa alticeps (Mello-Leitão, 1944), A. brasiliensis (Petrunkevitch, 1910) and A. senex (Mello-Leitão,… Expand
Taxonomic notes on the crab spider genus Tobias Simon, 1895 (Araneae, Thomisidae, Stephanopinae).
The males of Tobias caudatus Mello-Leitão, 1929 and Tobias pustulosus Simon, 1929 are described for the first time, females are redescribed and both sexes are illustrated. New distribution records… Expand
On Nyetnops, a New Genus of the Spider Subfamily Nopinae (Araneae, Caponiidae) from Brazil
Abstract A new caponiid genus, Nyetnops, is described to contain a remarkable new species, N. guarani from Brazil. These spiders, which have a bizarrely elongated male palp, have the subsegmented… Expand
Phylogeny of Aphantochilinae and Strophiinae sensu Simon (Araneae; Thomisidae)
This study tests the monophyly of ant‐mimicking Thomisidae (Aphantochilinae and Strophiinae sensu Simon), redefines the composition of these taxa, proposes tribes and discusses aspects of their… Expand