Sathytes shennong, Yin & Shen, 2020

Yin, Zi-Wei & Shen, Qi, 2020, Fifteen new species of Sathytes Westwood from China (Coleoptera, Staphylinidae, Pselaphinae), with an updated checklist of world species, European Journal of Taxonomy 722, pp. 37-74 : 55-56

Sathytes shennong sp. nov.

urn:lsid:zoobank.org:act:A4C78BE1-C7DE-41DF-9CBE-46B851946BE7

Fig. 11

Differential diagnosis

Sathytes shennong sp. nov. shares with S. chayuensis sp. nov., S. xingdoumontis sp. nov., S. magnus , S. tangliangi and S. grandis the single basal protuberance of antennomere 11 and the conspicuously oblique mesal margin of antennomere 9. It differs from S. chayuensis sp. nov. by the much less elongate antennomere 11; from S. xingdoumontis sp. nov. by the more protuberant mesal margin of antennomere 9; and from the latter three species by the much smaller body size (2.29 mm vs 3.36 mm of S. magnus , 2.8 mm of S. tangliangi and 3 mm of S. grandis ) and a similar but different form of antennomere 9.

Etymology

The new specific epithet ‘shennong’ (Ṗƨ) refers to the mythological Chinese deity, from which the name of Shennongjia Nature Reserve originates.

Type material (4 specimens)

Holotype

CHINA • ♂; Hubei, Badong Co. (Ƃḵn), Yanduhe To. (ḾḂOiđ), Xiaoshennongjia Vil. (ṮṖƨ ȒLj); 31.3406° N, 110.4131° E; alt. 1320 m; 27 Apr. 2016; Zhou and Hong-Bin Liang leg.; beating; IZCAS.

Paratypes

CHINA • 3 ♀♀; same collection data as for holotype; IZCAS .

Description

Male

MEASUREMENTS. AeL = 0.21 mm; AnL = 1.05 mm; AL = 0.60 mm; AW = 0.72 mm; TBL = 2.29 mm; EL = 0.68 mm; EW = 0.84 mm; HL = 0.50 mm; HW = 0.47 mm; LE = 0.16 mm; LT = 0.17 mm; PL = 0.51 mm; PW = 0.50 mm.

Body ( Fig. 11A ) reddish-brown, mouthparts and tarsi paler. Head slightly longer than broad. Each eye composed of about 22 facets; LE: LT = 0.9. Antennal clubs ( Fig. 11B ) formed by antennomeres 9–11; mesal margin of antennomere 9 ( Fig. 11C ) oblique and angularly expanded, with semi-membranous apophysis anterior to apex of expansion; antennomere 10 strongly transverse, obconical; antennomere 11 ( Fig. 11B ) about 1.7 times as long as wide, each with single short basal protuberance covered with tuft of setae at apex ( Fig. 11D ). Pronotum about as long as wide. Elytra moderately transverse. Abdomen widest at tergite 1 (IV) and narrowing apically. Aedeagus ( Fig. 11E ) slightly asymmetrical, broadened at apex.

Female

MEASUREMENTS.AnL= 0.95–0.98 mm; AL = 0.79–0.82 mm; AW = 0.76–0.79 mm; TBL = 2.42–2.49 mm; EL = 0.63–0.64 mm; EW = 0.83–0.85 mm; HL = 0.49–0.51 mm; HW = 0.46–0.48 mm; LE = 0.15 mm; LT = 0.18 mm; PL = 0.51–0.52 mm; PW = 0.50–0.51 mm.

Slightly larger than male in size. Each eye composed of about 14 facets; LE: LT = 0.8. Antennal clubs lacking modifications.

Distribution

China: Hubei.

Figures

Fig. 11. Sathytes shennong sp. nov., ♂. A. Dorsal habitus. B. Antennal club. C. Antennomere 9. D. Modification of antennomere 11, enlarged. E. Aedeagus, ventral view. Scale bars: A = 0.5 mm; B = 0.2 mm; C, E = 0.1 mm; D = 0.05 mm.