Apterolarnaca, Gorochov, 2004

Lu, Xiangyi, Zhang, Qianwen & Bian, Xun, 2022, Contribution to the knowledge of Chinese Gryllacrididae (Orthoptera) VII: Review the genus Apterolarnaca Gorochov, 2004, Zootaxa 5115 (3), pp. 381-396 : 382-383

publication ID	https://doi.org/ 10.11646/zootaxa.5115.3.4
publication LSID	lsid:zoobank.org:pub:0660AAA2-4F4E-48E7-A66E-0B112BEE6754
DOI	https://doi.org/10.5281/zenodo.6511712
persistent identifier	https://treatment.plazi.org/id/03CF8D52-4019-FF89-FF7B-FD1AFA6CFDE6
treatment provided by	Plazi
scientific name	Apterolarnaca
status

Treatment

Key to the species Apterolarnaca View in CoL

1 Internal spines of male hind femora obviously larger than external ones ( Bian & Shi, 2015: Fig. 5 View FIGURE 5 ; Bian et al., 2016: Figs. 1D View FIGURE 1 , 2E View FIGURE 2 ; Ingrisch, 2018: Fig. 39A; Bian et al., 2021b: Fig. 1H View FIGURE 1 )......................... Apterolarnaca (Apterolarnaca) ... 2

- Internal spines of male hind femora slightly larger than external ones ( Figs. 5E View FIGURE 5 , 6E View FIGURE 6 , 9J–K View FIGURE 9 )................................................................................................... Apterolarnaca (Bianigryllacris) ... 8

2 Middle tibiae without apical spine on dorsal surface.......................................................... 3

- Middle tibiae with apical spine on dorsal surface............................................................ 7

3 Face black and occiput black ( Bian et al., 2016: Figs. 1A View FIGURE 1 ), posterior margin of male subgenital plate with 1 U shaped concavity..................................................................... A. (A.) nigrifrontis Bian & Shi, 2016 View in CoL

- Face yellowish brown with black marks ( Gorochov, 2004: Fig. 99; Bian et al., 2016: 2 A; Bian et al., 2021b: Fig. 1A View FIGURE 1 )...... 4

4 Face with large black mark in middle area ( Bian et al., 2021b: Fig. 1A View FIGURE 1 ), posterior concavity of male subgenital plate with narrower at base ( Bian et al., 2021b: Fig. 1F, G View FIGURE 1 )................................ A. (A.) huanglianensis Bian & Lu, 2021 View in CoL

- Face with small black spots ( Gorochov, 2004: Fig. 99; Bian et al., 2016: 2 A)...................................... 5

5 Face with 3 black spots ( Gorochov, 2004: Fig. 99), male subgenital plate with lateral lobes slightly bifurcate apically ( Gorochov, 2004: Figs. 101–102); posterior margin of female subgenital plate slightly projected in the middle ( Gorochov, 2004: Fig. 104).......................................................................... A. (A.) ulla Gorochov, 2004 View in CoL

- Face with 4 black spots ( Bian et al., 2016: 2 A), male subgenital plate with lateral lobes obviously bifurcate apically ( Bian et al., 2016: 2 F)........................................................ A. (A.) quadrimaculata Bian & Shi, 2016 View in CoL

6 Dorsal surface of body with 1 longitudinal black band along the midline ( Ingrisch, 2018: 39 B); posterior margin of male ninth abdominal tergite with 1 pair of spines ( Ingrisch, 2018: 39 E); posterior concavity of male subgenital plate not projected at middle area; female subgenital plate longer than broad ( Gorochov, 2004: Fig. 98); basal area of ovipositor with 1 pair of digitate lobes, projecting backward ( Gorochov, 2004: Fig. 98).................................. A. (A.) apta Gorochov, 2004 View in CoL

- Body yellowish brown with black marks ( Figs. 1–4 View FIGURE 1 View FIGURE 2 View FIGURE 3 View FIGURE 4 ); lateral margins of male ninth abdominal tergite terminating into a pair of narrowly lobate processes, its apices prolonged into a small spine at internal margin ( Fig. 2F View FIGURE 2 ); posterior concavity of male subgenital plate obviously projected at the basal area in the middle ( Fig. 2G View FIGURE 2 ); female subgenital plate wider than long ( Figs. 1F View FIGURE 1 , 3G View FIGURE 3 )................................................................... A. (A.) truncatoloba ( Li & Liu, 2015) View in CoL

7 Frons with broad transverse sulcus ( Bian et al., 2014: Fig. 5A, C View FIGURE 5 ).................. A. (B.) parvospinus ( Liu & Yin, 2002) View in CoL

- Frons smooth, without broad transverse sulcus.............................................................. 8

8 Body almost unicolor without black band on dorsal surface ( Fig. 12 View FIGURE 12 )...................... A. (B.) xinganensis View in CoL sp. nov.

- Dorsal surface of body with black band along the midline..................................................... 9

9 Apices of fore and middle femora without black stripes...................................................... 10

- Apices of fore and middle femora with black ring-like stripes.................................................. 12

10 Ovipositor with well-developed digitate lateral lobes at base of lower sheaths..................................... 11

- Ovipositor without digitate lateral lobes at base of lower sheaths ( Bian et al., 2014: Fig. 2K View FIGURE 2 ).................................................................................................... A. (B.) digitatus ( Liu & Bi, 2008)

11 Posterior concavity of male subgenital plate with 1 bilobed process at basal area ( Bian et al., 2014: Fig. 1G View FIGURE 1 ), posterior margin of female subgenital plate rounded ( Bian et al., 2014: Fig. 1L View FIGURE 1 )...................... A. (B.) bilobus ( Guo & Shi, 2012) View in CoL

- Posterior concavity of male subgenital plate not projected in the middle ( Li et al., 2015: Fig. 28), female subgenital plate truncate ( Li et al., 2015: Fig. 29)........................................... A. (B.) transversa ( Liu, Bi & Zhang, 2010) View in CoL

12 The black band of dorsal surface of body only reaching the posterior margin of metanotum ( Guo & Shi, 2012: Fig. 15; Li et al., 2015: Fig. 7 View FIGURE 7 ), posterior margin of female subgenital plate nearly straight, emarginate ( Li et al., 2015: Fig. 9 View FIGURE 9 ).................................................................................. .. A. (B.) parvospinus ( Liu & Yin, 2002) View in CoL

- The black band of dorsal surface of body reaching the apex of abdomen......................................... 13

13 Face with 1 longitudinal black stripe in the middle ( Figs. 5A View FIGURE 5 , 6A View FIGURE 6 , 7A View FIGURE 7 )........................................... 14

- Face without black stripe in middle ( Bian et al., 2015: Fig. 4A, H View FIGURE 4 ); posterior margin of female subgenital plate nearly truncate ( Bian et al., 2015: Fig. 4L View FIGURE 4 )............................................. A. (B.) nigrigeniculatus ( Liu & Yin, 2002)

14 Face with 1 longitudinal black stripe in the middle, which connecting the transverse stripe at fastigium verticis, fronto-clypeal suture with 1 pair of black spots ( Figs. 6A View FIGURE 6 , 7A View FIGURE 7 ); posterior margin of female subgenital plate almost straight ( Fig. 7G View FIGURE 7 )................................................................................... A. (B.) tenuispinacia View in CoL sp. nov.

- The longitudinal black stripe of face not connecting with the transverse stripe at fastigium verticis ( Bian et al., 2014: Figs. 3A, H View FIGURE 3 , 6A, H View FIGURE 6 ), fronto-clypeal suture without black spots......................................................... 15

15 Face with 1 longitudinal black stripe in middle ( Bian et al., 2014: Fig. 6A, H View FIGURE 6 ); pronotum and abdominal tergites with 1 black stripe in middle; the apical processes of lateral lobes of male subgenital plate digitate, subapical area of the processes obviously contracted ( Bian et al., 2014: Fig. 6F, G View FIGURE 6 )........................................ A. (B.) trilobus ( Bian & Shi, 2014) View in CoL

- Frons with 1 longitudinal brown stripe in middle ( Fig. 5A View FIGURE 5 ); pronotum and abdominal tergites with 1 black brown stripe in middle; the apical processes of lateral lobes of male subgenital plate stout, subapical area of the processes not contracted ( Bian et al., 2014: Fig. 3D, F View FIGURE 3 ); female subgenital plate length equal to wide, posterior margin slightly projected in the middle ( Fig. 5G View FIGURE 5 )........................................................................ .. A. (B.) fallax ( Liu & Bi, 2008) View in CoL