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On the identity of the type species of the planthopper genus Oliarus Stal, 1862, Oliarus walkeri (Stal, 1859) (Hemiptera: Cixiidae)
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Type-material of Oliarus walkeri (Stål, 1859) was re-examined. A supplementary description is given. For the first time, the only male specimen contained in the type series is figured. Published information on the geographic distribution of O. walkeri based on misidentification is corrected: O. walkeri is confirmed to occur on the west coast of the Malay Peninsula (Melaka) and on Borneo (Sarawak). The morphology of the male copulatory organ, the aedeagus, is interpreted, and characters hypothesized here as apomorphic are pointed out.
Title: On the identity of the type species of the planthopper genus Oliarus Stal, 1862, Oliarus walkeri (Stal, 1859) (Hemiptera: Cixiidae)
Description:
Type-material of Oliarus walkeri (Stål, 1859) was re-examined.
A supplementary description is given.
For the first time, the only male specimen contained in the type series is figured.
Published information on the geographic distribution of O.
walkeri based on misidentification is corrected: O.
walkeri is confirmed to occur on the west coast of the Malay Peninsula (Melaka) and on Borneo (Sarawak).
The morphology of the male copulatory organ, the aedeagus, is interpreted, and characters hypothesized here as apomorphic are pointed out.
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