Dear Colleagues, 

The Order Araneae currently comprises over 50,000 described species, which certainly represents only a fraction of the group’s true diversity. Spiders show wide morphological, behavioral and ecological diversity, and they have been routinely studied as a biogeographic model. Despite the importance of the group and all the interest it attracts from experts in differing disciplines, it still lacks work focused on taxonomy and diversity, since many genera are currently in need of taxonomic revision, and many taxa hold umpteen species to be described. Additionally, most of the already described species are poorly known geographically, and most sites could have their spider fauna extensively surveyed. We are living in a particularly interesting moment to embrace the challenge of deepening our basic knowledge on spiders, as advances in molecular data acquisition and analysis are expanding the knowledge of the phylogeny and classification of the group, as well as creating new opportunities to understand the tempo and mode of its evolution. Thus, we invite the arachnological community to submit research manuscripts on aspects of taxonomy, systematics and diversity in Araneae.

Dr. Antônio Domingos Brescovit 
Prof. Dr. Adalberto J. Santos
Guest Editors

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• taxonomy
• morphology
• phylogeny
• zoogeography
• introduced species