Abstract
A new wolf spider genus, Serratacosa gen. nov., is erected based on the type and new species, S. medogensis gen. et sp. nov. and two newly combined species, S. himalayensis (Gravely, 1924) (from Hogna Simon, 1885) and S. multidontata (Qu, Peng & Yin, 2010) (from Pardosa C.L. Koch, 1847). All of them are from the southern slopes of the Eastern Himalayas. Descriptions of the new genera and species, and a redescription of S. multidontata are provided together with digital images, illustrations and a distribution map.
Highlights
The southern slopes of the Eastern Himalayas are one of the most important biodiversity hotspots worldwide (Myers et al 2000), having high species richness and a high number of endemic species, such as the spider genera Himalmartensus Wang & Zhu, 2008 (Amaurobiidae Thorell, 1870) and Himalcoelotes Wang, 2002
Based on the following characteristics, Serratacosa gen. nov. can be identified as a member of the subfamily Lycosinae: median apophysis transverse, with ventrally directed spur and dorsal surface with a sinuous channel; epigyne with an inverted ‘T–shaped’ median septum (Dondale 1986; Piacentini & Grismado 2009)
Wolf spiders mainly live in open habitats (Jocqué & Alderweireldt 2005)
Summary
The southern slopes of the Eastern Himalayas are one of the most important biodiversity hotspots worldwide (Myers et al 2000), having high species richness and a high number of endemic species, such as the spider genera Himalmartensus Wang & Zhu, 2008 (Amaurobiidae Thorell, 1870) and Himalcoelotes Wang, 2002 (Agelenidae C.L. Koch, 1837), which are only known from this region. The wolf spider family Lycosidae Sundevall, 1833 is the sixth most diverse spider group, comprised of 125 genera and 2430 valid species worldwide (World Spider Catalog 2021). Some well-revised genera have distinctive distributional regions, such as Acantholycosa Dahl, 1908 1847 (Piacentini & Ramirez 2019)
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