Epanerchodus schawalleri, Golovatch, S. I., 2014

Golovatch, S. I., 2014, Review of the millipede genus Epanerchodus Attems, 1901 in continental China, with descriptions of new species (Diplopoda: Polydesmidae), Zootaxa 3760 (2), pp. 275-288 : 283-284

publication ID	https://doi.org/ 10.11646/zootaxa.3760.2.7
publication LSID	lsid:zoobank.org:pub:16BD8ED0-5BCA-42B4-A777-4D77B3AD5928
DOI	https://doi.org/10.5281/zenodo.6138364
persistent identifier	https://treatment.plazi.org/id/03CD87A7-FFF2-FF81-FF23-FF7C4F09F92D
treatment provided by	Plazi
scientific name	Epanerchodus schawalleri
status	sp. nov.

Treatment

Epanerchodus schawalleri sp. nov.

Figs 16–19 View FIGURES 16 & 17 View FIGURES 18 & 19

Material examined: Holotype male ( SMF), China, Sichuan Prov., Emei Shan Mts, Wannian Monastery, 1050 m, 19– 30.03.1999, leg. W. Schawaller. Paratypes: 2 males, 3 females, 3 subadult males, 1 subadult female, 1 juvenile ( SMF), 1 male, 1 female ( ZMUM), same locality, together with holotype.

Name: Honours Dr. Wolfgang Schawaller, one of the main collectors.

Diagnosis: Differs from congeners by the relatively small size, coupled with the slender male prefemora, totally suppressed exomere and a large, ancoriform endomere. See also Key below.

Description: Length of holotype ca 8.0 mm, of other male paratypes up to 10 mm, of female paratypes ca 11.0– 11.5 mm; width of pro- and metazona in holotype 0.8 and 1.1 mm, respectively, in other male paratypes up to 1.0 and 1.4 mm, in female paratypes 1.5 and 2.0 mm, respectively. Coloration in alcohol pallid to uniformly light yellow ( Figs 16 & 17 View FIGURES 16 & 17 ).

All other characters like in E. jaegeri sp. nov., except as follows.

Antennae rather long and clavate ( Figs 16 & 17 View FIGURES 16 & 17 ), reaching behind segment 3 when stretched dorsally; in length, antennomere 3> 2 = 4 = 5 = 7, 6th highest.

In width, collum <head <segments 2 = 3 <4 ≤ 5–15(16), thereafter body gradually tapering towards telson ( Fig. 16 View FIGURES 16 & 17 ). Paraterga rather well developed, but not too broad, in male subhorizontal ( Fig. 17 View FIGURES 16 & 17 ), in female a little declivous, always lying below level of dorsum; collum ellipsoidal; caudal corner of following segments nearly to fully pointed, in metaterga 2–9 faintly obtusangular (ca 100º), in 10th subrectangular, thereafter increasingly acutangular, extending behind rear tergal margin in metaterga 13–18, shorter spines in 19th; dosum faintly convex, metatergal bosses flat, outlined by shallow sulci ( Fig. 16 View FIGURES 16 & 17 ). Tergal setae very short, pointed, mostly located on minute knobs. Hypoproct roundly subtrapeziform, caudal, paramedian, setiferous papillae evident and wellseparated knobs.

Legs ( Figs 16–18 View FIGURES 16 & 17 View FIGURES 18 & 19 ) rather long and slender, ca 1.4–1.5 (male) or 1.2–1.3 (female) times as long as midbody height; male legs clearly incrassate, prefemora not bulging laterad, sphaerotrichomes absent ( Fig. 18 View FIGURES 18 & 19 ).

Gonopods ( Fig. 19 View FIGURES 18 & 19 ) rather simple, telopodite stout, an exomere totally missing, endomere (en) large and ancoriform, with a caudal tooth (x).