What question did this study set out to answer?

To describe a new species of running crab spider, Philodromus uljin sp. nov., and provide detailed morphological features.

February 13, 2026Open Access

Philodromus uljin sp. nov., a new running crab spider (Araneae, Philodromidae) from South Korea

Key Points

To describe a new species of running crab spider, Philodromus uljin sp. nov., and provide detailed morphological features.
Field collection in Uljin-gun, Gyeongsangbuk-do, South Korea
Morphological analysis of specimens
Photography of habitat and morphological features
Description of the new species Philodromus uljin sp. nov.
Detailed morphological descriptions including genital organs of both sexes
Photographic documentation of habitat and live specimens

Abstract

Philodromidae Thorell, 1869 is a spider family comprising 531 species in 31 genera distributed worldwide. Amongst these genera, Philodromus Walckenaer, 1826 is the most diverse with 211 described species. A new running crab spider, Philodromus uljin sp. nov. , is described from Uljin-gun, Gyeongsangbuk-do, South Korea. This study provides a diagnosis, morphological description and photographs of the habitat, live habitus and genital organs of both males and females.

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