Microdipoena gongi (Yin, Peng & Bao, 2004)

Figs 8, 9

Mysmenella gongi Yin, Peng & Bao, 2004: 80, figs 1-8 (♂♀).

Microdipoena gongi: Lopardo and Hormiga 2015: 783.

Type material.

Holotype ♀ (HNU) and paratypes 1♂ 3♀ (HNU), China: Hunan Province, Daoxian County, Timber Mill (25°31.000'N, 111°33.000'E), 8.IV.1988; 1♀ 7♂, China: Hunan Province, Daoxian County, Shuangqiao Town, 1.VI.1987, L. Gong leg. Examined in 2008.

Other material examined.

1♂ 2♀ (NHMSU-XX53), China: Hunan Province, Changsha City, Yuelu District, Yuelu Mountain scenic spot, leaf litter (28°10.502'N, 112°56.391'E; 121 m elev.), 20.IV.2018, G. Zhou leg.

Diagnosis.

Male of Microdipoena gongi can be distinguished from other congeners except for M. illectrix, M. jobi, M. menglunensis, M. mihindi, M. ogatai, M. papuana, M. pseudojobi, M. samoensis, M. shenyang sp. nov., M. yinae, and M. zhulin sp. nov. by the embolic end twisted into a complex structure (Figs 9A, B, 12D, 16E, 20B, 22A). It can be distinguished from these aforementioned species by the cymbium wraps the bulb prolaterally or lacking a cymbial tooth (cf. Figs 9A, B, 12B, 16B, 22D; Lin and Li 2013: CP shown in fig. 21F; Lopardo and Hormiga 2015: CyP shown in fig. 132C-F). Female of Microdipoena gongi differs from other congeners except for M. huisun sp. nov., M. ogatai, and M. yinae in lacking a long, soft, membranous scape, but having a small, weakly sclerotized, small scape (cf. Figs 9F, 10F, 19H, and Ono 2007: figs 69, 70; Figs 13C, 14F, 17C, 18F, 23D and Lopardo and Hormiga 2015: fig. 129E, F), but can be distinguished from these aforementioned species by the horizontal ovate spermathecae, which is almost as large as the posterior sclerotized area of copulatory ducts (globose in M. huisun sp. nov., smaller spermatheca in M. ogatai, inclined hemispheric spermatheca in M. yinae) (cf. Figs 9F, 10F, 19H and Ono 2007: fig. 70).

Description.

Male: Total length 0.98. Carapace 0.44 long, 0.48 wide, 0.52 high. Clypeus 0.08 high. Sternum 0.30 long, 0.30 wide. Abdomen 0.54 long, 0.56 wide, 0.60 high. Length of legs: I 1.33 (0.48, 0.12, 0.27, 0.22, 0.24); II 1.20 (0.42, 0.12, 0.24, 0.18, 0.24); III 0.81 (0.25, 0.10, 0.16, 0.14, 0.16); IV 1.04 (0.28, 0.12, 0.24, 0.18, 0.22).

Somatic characters

(Fig. 8A-C). Coloration: carapace dark brown. Ocular base black. Chelicera, endites, labium and sternum dark brown. Legs brown-black. Abdomen dark with three white spots dorsally. Prosoma: carapace nearly round in dorsal view and peak-shaped in lateral view. Cephalic part flat, slightly elevated. Sternum scutiform, slightly plump. Legs: covered with setae. Mating clasper on metatarsus I, two strong spines on tibia I, femur I with sclerotized femoral spot. Abdomen: nearly globose.

Palp (Fig. 9A-C): The palp 45° inclined to the surface of the tibia. Cymbium translucent, originating prolaterally, with a large cymbial conductor. Paracymbium large, finger-like, with long setae. Tegulum translucent, surface swollen. Embolus thin and relatively short, coiled into one loop over the cymbium, tip with complex structure. Spermatic ducts can be seen through translucent tegulum.

Female. Total length 1.37. Carapace 0.45 long, 0.52 wide, 0.40 high. Clypeus 0.10 high. Sternum 0.38 long, 0.32 wide. Abdomen 0.92 long, 0.88 wide, 0.86 high. Length of legs: I 1.32 (0.34, 0.14, 0.32, 0.28, 0.24); II 1.06 (0.22, 0.12, 0.30, 0.24, 0.18); III 0.82 (0.20, 0.12, 0.20, 0.16, 0.14); IV 0.92 (0.22, 0.12, 0.22, 0.20, 0.16).

Somatic characters

(Fig. 8D-F). Coloration: carapace nearly black. Ocular base black. Chelicera, endites, labium black, sternum dark brown. Legs brown-black. Abdomen black with four white spots dorsally. Prosoma: carapace nearly round in dorsal view. Cephalic part unraised. Sternum scutiform, slightly plump, covered with sparse setae. Legs: covered with setae and bristles. Femurs I and II with sclerotized femoral spot. Abdomen: nearly spherical, covered with short setae.

Epigyne (Fig. 9D-F): sclerotized, length twice the width, structure can be seen slightly through the cuticle. Scape nodular shape, very small. Copulatory duct membranous, coiled under the spermathecae. Paired spermathecae transverse oval, separated by nearly double diameter. Fertilization ducts membranous, inconspicuous.

Distribution.

China (Hunan).