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| Dasycerus poseidon Hu & Liang |
Abstract
Dasycerus poseidon Hu & Liang, sp. nov. is described and illustrated based on fresh specimens from central and southern Taiwan, which filled in the disjunct distribution between the Japanese archipelago and south-eastern Asia. The new species represents the first record of the subfamily Dasycerinae in Taiwan. The barcoding sequence of the holotype of D. poseidon Hu & Liang, sp. nov. is provided, and revealed a surprisingly large genetic distance within the genus. Detailed illustrations of D. poseidon Hu & Liang, sp. nov. by scanning electron micrograph and micro-computed tomography are also provided. Living individuals of D. poseidon Hu & Liang, sp. nov. were observed eating the mycelium of Pleurotus ostreatus in lab conditions, which represents the first direct evidence of mycophagous habits of Dasycerinae.
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| FIGURE 1. Habitus of Dasycerus poseidon Hu & Liang, sp. nov. (A) Dorsal view. (B) Ventral view. (C) Lateral view. |
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| FIGURE 7. Habitat of Dasycerus poseidon Hu & Liang, sp. nov. (A) Habitat environment. (B-C) The dead wood covered with fungi. (D) The surface of fungi. (E) The living habitus of D. poseidon Hu & Liang, sp. nov. (Photo by C.-H. Wu). |
