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Featured Articles
Troglomorphic pseudoscorpions (Arachnida: Pseudoscorpiones) of northern Arizona, with the description of two new short-range endemic species
A new genus and a new species of scorpion (Scorpiones: Buthidae) from southeastern Mexico
Description of Sarax buxtoni (Gravely 1915) (Arachnida: Amblypygi: Charinidae) and a new case of parthenogenesis in Amblypygi from Singapore
The new spider genus Arctenus, an afrotropical representative of the Calocteninae (Araneae: Ctenidae)
Chemical defenses in the opilionid infraorder Insidiatores: divergence in chemical defenses between Triaenonychidae and Travunioidea and within travunioid harvestmen (Opiliones) from eastern and western North America
Species differences and geographic variation in the communal roosting behavior of Prionostemma harvestmen in Central American rainforests
From spiderling to senescence: ontogeny of color in the jumping spider, Habronattus pyrrithrix
Scavenging throughout the life cycle of the jumping spider, Phidippus audax (Hentz) (Araneae: Salticidae)
Removal of genital plugs and insemination by males with normal and experimentally modified palps in Leucauge mariana (Araneae: Tetragnathidae)
Burrow structure and microhabitat characteristics of Nesiergus insulanus (Araneae: Theraphosidae) from Frégate Island, Seychelles
Thermal preference of Dysdera crocata C. L. Koch 1838 (Araneae: Dysderidae)
Natural history of Phoneutria boliviensis (Araneae: Ctenidae): habitats, reproductive behavior, postembryonic development and prey-wrapping
Short Communications
The mechanism behind plasticity of web-building behavior in an orb spider facing spatial constraints
Development of novel microsatellite markers for the spider genus Loxosceles (Sicariidae) using next-generation sequencing
Pre-ballooning in Ummidia Thorell 1875 (Araneae: Ctenizidae) from the Interior Highlands, USA: second account from the region and review of mygalomorph ballooning