Ctenoneura

Qiu, Lu, Che, Yan-Li & Wang, Zong-Qing, 2017, Contribution to the cockroach genus Ctenoneura Hanitsch, 1925 (Blattodea: Corydioidea: Corydiidae) with descriptions of seven new species from China, Zootaxa 4237 (2), pp. 265-299 : 272-273

Key to males of Chinese species of Ctenoneura

1 Hind margin of subgenital plate deeply excavated medially, stylus slender, placed on the upper left margin of the plate ( Fig. 16 J)........................................................................................ C. yunnanea

- Not as above.........................................................................................2

2 Right of subgenital plate with a distinct large eds groove heading to the median of posterior, the sgs long, curved, distinctly vis- ible ( Figs. 16 K–L).................................................................... C. elongata sp. nov.

- Not as above........................................................................................ 3

3 Pronotum generally unicolored, usually with lateral margins of anterior yellowish subtransparent; subgenital plate protruded towards right ( Figs. 17 G, 18 G, 19 G, 20 G)................................................................ 4

- Lateral areas of pronotum transparent or subtransparent widely; subgenital plate with an incision or excavation on the left of the apex ( Figs. 16 D, F, H–I)............................................................................ 5

4 Body brownish black or nearly black, supra-anal plate with a large process ( Fig. 5 D )............ C. heixuanfeng sp. nov.

- Body generally light color, or at most dark brown, supra-anal plate not as above....................................8

5 Subgenital plate with an incision invisible in ventral view, visible in rear view ( Figs. 16 A–D)................ C. simulans

- Subgenital plate with a clear incision or excavation in ventral view ( Figs. 16 F, H–I)............................... 6

6 Subgenital plate with a deep excavation on the left ( Fig. 16 H).................................. C. helicata sp. nov.

- Subgenital plate with a shallow depression on the left side of the apex ( Figs. 16 F, I)............................... 7

7 Body brown, hind margin of pronotum not hyaline ( Fig. 12 A ).................................... C. qiuae sp. nov.

- Body rusty yellow, hind margin of pronotum hyaline ( Bey-Bienko 1969).................................. C. misera

8 Cerci brownish yellow, stylus very small, weak ( Figs. 7 E–F )................................... C. delicata sp. nov.

- Cerci dark brown, stylus robust or slender.................................................................. 9

9 Supra-anal plate with two small processes ( Fig. 8 D )......................................... C. papillaris sp. nov.

- Supra-anal plate protruded, median transparent deeply ( Fig. 6 D )............................ C. bawangensis sp. nov.

Figures

FIGURE 5. A – L. Ctenoneura heixuanfeng sp. nov.: A – B. male, paratype: A. dorsal view; B. ventral view. C – D. male supraanal plate: C. with T 9, dorsal view; D. close-up, dorsal view. E. male stylus, ventral view. F. male subgenital plate, ventral view. G – H. female, paratype: G. dorsal view; H. ventral view. I. female supra-anal plate, dorsal view; J. female subgenital plate, ventral view. K – L. ootheca: K. lateral view; L. dorsal view.

FIGURE 6. A – F. Ctenoneura bawangensis sp. nov., male, holotype (legs all removed): A. dorsal view; B. ventral view. C – D. supra-anal plate: C. with T 9, dorsal view; D. close-up, dorsal view. E. stylus, ventral view. F. subgenital plate, ventral view.

FIGURE 7. A – F. Ctenoneura delicata sp. nov., male: A – B. holotype: A. dorsal view; B. ventral view. C – D. supra-anal plate: C. with T 9, dorsal view; D. close-up, dorsal view. E. stylus, ventral view. F. subgenital plate, ventral view.

FIGURE 8. A – F. Ctenoneura papillaris sp. nov., male: A – B. paratype: A. dorsal view; B. ventral view. C – D. supra-anal plate: C. with T 9, dorsal view; D. close-up, dorsal view. E. stylus, ventral view. F. subgenital plate, ventral view.

FIGURE 12. A – F. Ctenoneura qiuae sp. nov., male, holotype: A. dorsal view; B. ventral view. C – D. supra-anal plate: C. with T 9, dorsal view; D. close-up, dorsal view. E. stylus, ventral view. F. subgenital plate, ventral view.

FIGURE 16. Subgenital plate of male Ctenoneura species from Yunnan, China and Myanmar: A – B. Ctenoneura simulans: A. ventral view; B. rear view. C – D. original figure of C. simulans in Bey-Bienko (1969): C. ventral view; D. rear view. E – G. original figures of Ctenoneura birmanica: E. Princis (1953); G. Roth (1993). F. Ctenoneura qiuae sp. nov., ventral view; H. Ctenoneura helicata sp. nov., ventral view; I. original figure of Ctenoneura misera in Bey-Bienko (1969); J. original figure of Ctenoneura yunnanea in Bey-Bienko (1957); K – L. Ctenoneura elongata sp. nov.: K. ventral view; L. rear view.

FIGURE 17. Ctenoneura heixuanfeng sp. nov., male from Hainan, China: A. pronotum with exposed head; B. tegmen; C. wing; D. front femur; E. supra-anal plate with T 9, dorsal view; F. subgenital plate, ventral view; G. subgenital plate, dorsal view; H. genitalia, ventral view.