Eurhaphidophora, Gorochov, 1999

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), pp. 46-58 : 48-50

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; 4E) 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; 3G); 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; 4E), 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

Figures

FIGURE 1. Apex of male abdomen of Eurhaphidophora spp. A, C, E, G, H, K, L, M, O, Q. apex of abdomen in dorsal view; B, D, N, P. apex of process of male ninth abdominal tergite; I, R. apex of abdomen in lateral view; J. apex of abdomen in apicodorsal view; F. apex of process of male ninth abdominal tergite; A, B. E. tarasovi (Gorochov, 2010 b: Figs. 10, 11); C, D. E. bispina (Gorochov, 2010 b: Figs. 16, 17); E, F. E. bona (Gorochov, 2012: Figs. 2, 3); G. E. angust a (Gorochov, 2010 b: Fig. 2); H, I. E. visibilis (Gorochov, 2010 a: Figs. 11, 12); J, K. E. rotundata (Gorochov, 2010 b: Figs. 20, 21); L. E. laosi (Gorochov, 2010 b: Fig. 6); M, N. E. ampla (Gorochov, 2010 b: Figs. 65, 66); O, P. E. orlovi (Gorochov, 2010 b: Figs. 70, 71); Q, R. E. nataliae (Gorochov, 1999: Figs. 308, 309).

FIGURE 2. Male epiproct and subgenital plate of Eurhaphidophora spp. A, C, D, E, G, I, K, M, O. male eipproct in dorsal view; B, F, H, J, L, N. male subgenital plate in ventral view; A, B. E. angusta (Gorochov, 2010 b: Figs. 3, 4); C. E. bispina (Gorochov, 2010 b: Fig. 18); D. E. nataliae (Gorochov, 2010 b: Fig. 310); E, F. E. laosi (Gorochov, 2010 b: Figs. 7, 8); G, H. E. ampla (Gorochov, 2010 b: Figs. 67, 68); I, J. E. tarasovi (Gorochov, 2010 b: Figs. 12, 13); K, L. E. orlovi (Gorochov, 2010 b: Figs. 72, 73); M, N. E. bona (Gorochov, 2012: Figs. 4, 5); O. E. visibilis (Gorochov, 2010 a: Fig. 13).

FIGURE 3. Eurhaphidophora visibilis Gorochov, 2010. A, I. head in frontal view; B. head in dorsal view; C, J. head and pronotum in dorsal view; D, K. head and thorax in lateral view; E. tarsus of male hind leg in lateral view; F, G, L. apex of abdomen: F, L. lateral view, G. dorsal view; M, H. subgenital plate in ventral view; A – H. male; I – M. female.

FIGURE 4. Eurhaphidophora truncata Bian & Shi sp. nov. male: A. head in frontal view; B. head and pronotum in dorsal view; C. head and thorax in lateral view; D. tarsus of hind leg in lateral view; E. apex of abdomen in dorsal view; F. apex of abdomen in lateral view; G. apex of abdomen in ventral view.