A new species of ghost spider is identified in Indonesia, indicating a broader distribution of Rathalos in Southeast Asia.
A new species of bamboo-associated ghost spider, Rathalos inagami Dhiya’ulhaq & Dwikelana sp. nov., is described from Java, Indonesia, based on male and female specimens. The species is diagnosed by distinct genitalic characters, including a four-lobed median apophysis in males and a wide triangular epigynal plate with strongly S-shaped copulatory ducts in females. This constitutes the first record of the family Anyphaenidae and the genus Rathalos from Southeast Asia, thereby extending the known distribution of the group.
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Dhiya’ulhaq et al. (2026) studied this question.
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