Pseudionella spiropaguri, An & Li & Markham, 2013

An, Jianmei, Li, Xinzheng & Markham, John C., 2013, Three Isopod Parasites (Bopyridae: Pseudioninae), Including Two New Species, Of Hermit Crabs From The South China Sea, Raffles Bulletin of Zoology 61 (2), pp. 561-569 : 564

Pseudionella spiropaguri , new species

( Figs. 3 , 4 )

Material examined. — Infesting Spiropagurus profundorum Alcock, 1905 . South China Sea, Stn 6106, 20°30'N, 112°00'E, 72 m, 20 Apr.1959, coll. Xiutong Ma, 1♀, holotype, CIEA610601 , 1♂, allotype, CIEA610602 . Paratypes: South China Sea, Stn 6091, 20°30'N, 112°30'E, 78 m, 9 Feb.1960, coll., Jingzuo Qu , 1♀, CIEA609101 , 1♂, CIEA609102 . South China Sea, Stn 6048, 21°00'N, 114°30'E, 79.6 m, 9 Jan.1960, coll., Baoling Wu , 1♀, CIEA604801 , 4♂♂ (immature), CIEA604802 .

Other materials examined. — Infesting Spiropagurus spiriger (De Haan, 1849) . South China Sea, Stn 6230, 18°45'N, 108°15'E, 49 m, 17 Apr.1959, coll., Fengshan Xu, 1♀, CIEA623001 , 1♂, CIEA623002 .

Infesting Spiropagurus sp. South China Sea, Stn 6078, 20°30'N, 113°00'E, 88 m, 8 Apr.1960, coll., Zhican Tang, 1♀, CIEA607801 , 1♂, CIEA607802 . South China Sea, Stn 6091, 20°30'N, 112°30'E, 74 m, 22 Oct.1959, coll., Jingzuo Qu, 1♀, CIEA609103 ; 1♂, CIEA609104 . South China Sea, Stn 6066, 20°30'N, 113°30'E, 89 m, 25 Apr.1959, coll., Fuzeng Sun, 1♀, CIEA606601 , 1♂, CIEA606602 .

Figures

Fig. 3. Pseudionella spiropaguri n. sp.: A–L, holotype female, CIEA610601; M, N, allotype male, CIEA610602. A, dorsal view; B, ventral view; C, right maxilliped, external view; D, right side of barbula; E, right oostegite 1, external view; F, right oostegite 1, internal view; G, right pereopod 1; H, right pereopod 6; I, right pleopod 1; J, right pleopod 2; K, right pleopod 3; L, pleon, ventral view; M, dorsal view; N, ventral view. Scale bar = 1 mm (A, B), 0.57 mm (C–F), 0.34 mm (G, H), 1.20 mm (I–L), 0.46 mm (M, N).

Fig. 4.Pseudionella spiropaguri n. sp., SEM micrographs of paratype male, CIEA623002: A, ventral view; B, left antennae 1; C, left antennae 2; D, distal portion of antennae 2; E, pereopods 3; F, pleon, lateral view; G, end of pleon. Scale bar = 1 mm (A), 10 μm (B, D, G), 100 μm (C, E, F).