Resurrection of Synema globosum canariense Dahl, 1907 (Araneae: Thomisidae) with comments on other synonyms within this genus

Abstract

The thomisid spider Synema globosum (Fabricius, 1775) is widely distributed in the Palaearctic realm and is particularly common in southern parts of zones with a temperate climate. Seven subspecies have been described; the widely distributed nominotypical subspecies, S. g. globosum and six with much more restricted ranges. As of now, just two subspecies are still recognised as valid while the others have been synonymized with the nominate subspecies. This study now revalidates S. g. canariense Dahl, 1907 (subsp. reval.) based on findings from molecular and comparative morphological analysis. We also argue that the synonymization of the subspecies S. g. daghestanicum Utochkin, 1960 and the species S. japonicum Karsch, 1879 with S. globosum in Ono (1988) is formally correct, but needs further investigation with modern methods.