Laeocathaica dejeana (Heude, 1882)

Wu, Min, Shen, Wang & Chen, Zhong-Guang, 2023, Land snail diversity in central China: revision of Laeocathaica Moellendorff, 1899 (Gastropoda, Camaenidae), with descriptions of seven new species, ZooKeys 1154, pp. 49-147 : 49

Laeocathaica dejeana (Heude, 1882)

Figs 2A , 13A, B

Helix dejeana Heude, 1882: 21, pl. 20, fig. 17; - Möllendorff 1884: 340, 352.

Helix (Cathaica) dejeana - Pilsbry 1892: 215, pl. 49, figs 36-38.

Cathaica dejeana - Möllendorff, 1899: 73; - Yen 1938: 446; - Yen 1939: 141, pl. 14, fig. 46; - Yen 1942: 278.

Cathaica (Pseudiberus) dejeana - Gude 1902: 8.

Cathaica (Campylocathaica) dejeana - Richardson 1983: 51; - Chen and Zhang 2004: 270, fig. 255.

Laeocathaica dejeana - Wu 1999: 148, fig. 6.13-1; - Chen and Zhang 2004: 337, fig. 330; - Páll-Gergely et al. 2022: 56, fig. 15.

Museum material.

SMF 23919 , lectotype. NHMUK 1902.5.13.1-2, 2 juv shells; W. Setchuan, W. China .

Distribution.

Sichuan: western region (type locality) including Kangding [康定].

Additional information of shell.

Protoconch has small granules. Spiral grooves are absent throughout the shell. Shell surface has tiny scales.

Anatomy of genital organs.

Penis as long as dart sac, distally expanded. Vas deferens narrow throughout. Vagina between atrium and dart sac not elongated. Vagina between dart sac and insertion of bursa copulatrix duct ~ 1/2 length of dart sac. Love dart ~ 2 mm long, apically 2-bladed. Accessory sac small but distinguishable from outside, inserting into dart sac at middle part, opening to distal dart chamber. Mucous glands two, each complicatedly branched. Bursa copulatrix duct of equal thickness, as long as dart sac. Bursa copulatrix ovate ( Wu 1999: 148, fig. 6.13-1).

Figures

Figure 2. A distribution map of all known species of Laeocathaica Moellendorff, 1899 except L. anceyi (Moellendorff in Ancey, 1889), L. hisanoi Pall-Gergely, 2022, and L. leucorhaphe Moellendorff, 1899 whose precise localities are not known; white dots: the localities where no Laeocathaica species was ever found B distribution of the new species described in this paper, yellow dots: L. qingchuanensis Wu, sp. nov., green dot: L. zhengpingliui Wu, sp. nov., brown dots: L. parapolytyla Wu, sp. nov., white dot: L. qiminglii Wu, sp. nov., pink dot: L. cheni Wu, sp. nov., blue dots: L. qishilii Wu, sp. nov., orange dots: L. nordsiecki Wu, sp. nov. C distribution of L. carinifera (H. Adams, 1870) (green dots), L. qingchuanensis Wu, sp. nov. (yellow dots), and L. stenochone Moellendorff, 1899 (blue dots) D distribution of L. amdoana Moellendorff, 1899 (green dots), L. distinguenda Moellendorff, 1899 (pink dots), and L. tropidorhaphe Moellendorff, 1899 (blue dots) C equivalent to the larger box in (A), B, D equivalent to the smaller box in (A).

Figure 13. A, B Laeocathaica dejeana (Heude, 1882) A SMF 23919, lectotype B NHMUK 1902.5.13.1 - 2 C-E L. dityla Moellendorff, 1899 C SMF 9086, lectotype D SMF 9087, paratype E HBUMM 00698 - spec. 1.