Ligidium acutangulum sp. nov., a new species of terrestrial Isopoda (Oniscidea, Ligiidae) from China

in Crustaceana
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A new species of terrestrial Isopoda, Ligidium acutangulum sp. nov., is described and illustrated based on material from China. The new species can be diagnosed by the apical part of the pleopod 2 endopod being acutely triangular, the inner margin straight, and the outer margin concave near a well-developed process. Type specimens are deposited in the Insect Museum, Jiangxi Agricultural University, Nanchang, P. R. China.

Crustaceana

International Journal of Crustacean Research

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References

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Figures

  • Ligidium acutangulum sp. nov., holotype, male. A, Adult in dorsal view; B, antennule in dorsal view; C, antenna in dorsal view; D, left mandible in dorsal view; E, right mandible in dorsal view.

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  • Ligidium acutangulum sp. nov., holotype, male. A, Maxillule in ventral view; B, maxilla in ventral view; C, maxilliped in ventral view; D, telson and uropod in dorsal view; E, Right uropod in dorsal view.

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  • Ligidium acutangulum sp. nov., holotype, male, pereopods 1-7 in ventral view. A, Pereopod 1; B, pereopod 2; C, pereopod 3; D, pereopod 4; E, pereopod 5; F, pereopod 6; G, pereopod 7.

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  • Ligidium acutangulum sp. nov., holotype, male, pleopods 1-2 in ventral view. A, Pleopod 1 exopod; B, pleopod 1 endopod; C, pleopod 2 exopod; D, pleopod 2 endopod; E, apical part of pleopod 2 endopod.

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