A new species of the genus Callobius (Araneae: Amaurobiidae) from Yakushima Island, Japan

Scientists have identified a new spider species, Callobius yakushimensis, endemic to Yakushima Island, Japan. This discovery is notable for two distinctive features: a unique elongated apophysis on the male palp and two lateral linguiform lobes in the epigynum. The study, published in Acta Arachnologica, relied on morphological analysis to characterize this species within the genus Callobius (family Amaurobiidae). Yakushima's biodiversity is further highlighted by this addition, contributing to our understanding of the island's unique ecosystems and its significance as a UNESCO World Heritage Site.

Okumura, K.-i. (2010). A new species of the genus Callobius (Araneae: Amaurobiidae) from Yakushima Island, Japan. Acta Arachnologica, 59(1), 1–3. https://doi.org/10.2476/asjaa.59.1