Eurhaphidophora

Bian, Xun & Shi, Fuming, 2016, Contribution to the Chinese subfamily Rhaphidophorinae Walker, 1869 (Orthoptera: Rhaphidophoridae; Rhaphidophorinae): New additions to the genera EurhaPhidoPhora and StonychoPhora, Zootaxa 4109 (1) : -

Key to species of EurhaPhidoPhora

1. Median process of male ninth abdominal tergite distinctly narrow and long ( Fig. 1 A, C, E)........................... 2

- Median process of male ninth abdominal tergite broad and short ( Fig. 1 G, H, J, L, M, O, Q)........................... 4

2. Median process of male ninth abdominal tergite with posterior margin divided in the middle ( Fig. 1 B, D)................ 3

- Median process of male ninth abdominal tergite with median longitudinal carina on dorsal surface, its posterior margin obtusely rounded ( Fig. 1 E); male epiproct arcuately curved, with 1 deep concavity medially and some weak longitudinal rugosities laterally ( Fig. 2 M); posterior margin of male subgenital plate obtusely rounded, styli obvious longer than other known congeners ( Fig. 2 N).......................................................... .. E. bona Gorochov, 2012

3. Male eighth abdominal tergite with long median process ( Fig. 1 A); median process of ninth abdominal tergite obviously curved ventrad, posterior margin with 1 deep and narrow concavity in the middle, the lateral sides lobate ( Fig. 1 A, B); dorsoposterior surface of male epiproct longitudinal concave in the middle, posterior margin with 1 acute angle medially and 1 pair of rounded lateral lobes ( Fig. 2 I); posterior margin of male subgenital plate shallowly concave between styli ( Fig. 2 J)...................................................................................... E. tarasovi Gorochov, 2010

- Male eighth abdominal tergite with roundly angled median process ( Fig. 1 C); median process of ninth abdominal tergite weakly curved ventrad, apical area with 1 pair of spine-shaped processes ( Fig. 1 C, D); apical area of male epiproct elongate, posterior margin narrowly rounded ( Fig. 2 C)............................................ E. bispina Gorchov, 2010

4. Median process of male ninth abdominal tergite widened toward apex, apical area divided into 3 large lobes ( Fig. 1 Q, R); male epiproct triangular ( Fig. 2 D)........................................................ E. nataliae Gorochov, 2010

- Median process of male ninth abdominal tergite with apical area not divided ( Fig. 1 G, H, J, L, M, O)................... 5

5. Male ninth abdominal tergite narrow, entirely separately from its posterior median process, the lateral margins of median process obviously concave and apical area widened ( Fig. 1 O, P); male epiproct longer than broad, posterior margin slightly concave, the lateral lobes large ( Fig. 2 K); posterior margin of male subgenital plate nearly straight ( Fig. 2 L)................................................................................................. E. orlovi Gorochov, 2010

- Male ninth abdominal tergite broad, median process not separated from the tergite ( Fig. 1 G, H, J, L, M)................. 6

6. Dorsal surface of median process of male ninth abdominal tergite with obvious longitudinal carina or concavity ( Fig. 1 G, H)..................................................................................................... 7

- Dorsal surface of median process of male ninth abdominal tergite flat ( Figs. 1 J, L; 4 E) or with weak longitudinal concavity ( Fig. 1 M)............................................................................................ 8

7. Male ninth abdominal tergite with obvious longitudinal dorsal concavity and nearly truncate posterior margin ( Fig. 1 G); the process partly separated from other part of tergite by weak fold broken in middle ( Fig. 1 G); posterior margin of male epiproct with posterior margin acute angular ( Fig. 2 A); posterior margin of male subgenital plate nearly straight ( Fig. 2 B)......................................................................................... E. angusta Gorochov, 2010

- Male ninth abdominal tergite with obvious longitudinal dorsal carina and truncate posterior margin ( Fig. 1 H); this process not separated from other part of tergite ( Figs. 1 H; 3 G); male epiproct nearly rectangular, posterior margin of nearly obtusely rounded or with 1 shallowly concavity in the middle ( Fig. 2 O); posterior margin of male subgenital plate nearly straight ( Fig. 3 H)............................................................................ E. visibilis Gorochov, 2010

8. Median process of male ninth abdominal tergite nearly semi-oval, narrowing to apical area, posterior margin obtusely rounded ( Fig. 1 J); male epiproct with posterior margin rounded ( Fig. 1 K)......................... E. rotundata Gorochov, 2010

- Median process of male ninth abdominal tergite nearly rectangular or trapezoidal ( Figs. 1 L, M; 4 E), posterior margin nearly straight.............................................................................................. 9

9. Median process of male ninth abdominal tergite rectangular ( Fig. 1 L, M)........................................ 10

- Median process of male ninth abdominal tergite nearly trapezoidal, eighth abdominal tergite with 1 small angled process ( Fig. 4 E); male epiproct nearly triangular, posterior margin acute angular; styli nearly cylindrical ( Fig. 4 G, H)............................................................................................ E. truncata Bian & Shi sp. noV.

10. Median process of male ninth abdominal tergite shorter and wider than other known congeners ( Fig. 1 L); male epiproct with posterior margin obtusely rounded ( Fig. 2 E); posterior margin of male subgenital plate slightly projected in the middle ( Fig. 2 F).............................................................................. E. laosi Gorochov, 2010

- Median process of male ninth abdominal tergite with apical area widened ( Fig. 1 M); male epiproct with a pair of rounded apical lobes on posterior margin ( Fig. 2 G); posterior margin of male subgenital plate distinctly projected in middle, apex acute ( Fig. 2 H)........................................................................ E. ampla Gorochov, 2010