Atracis Stål, 1866

Ai, Deqiang, Peng, Lingfei & Zhang, Yalin, 2020, Five new species of the planthopper genus Atracis Stål (Hemiptera, Fulgoromorpha, Flatidae) from China, European Journal of Taxonomy 717 (717), pp. 108-128 : 109-111

Genus Atracis Stål, 1866

Atracis Stål, 1866: 237 (type species: Flata pyralis Guérin-Méneville, 1831 , by subsequent designation in Distant 1906: 450).

Uxantis Stål, 1870: 775 . Franciscus Distant, 1910: 337 (type species: Flatoides fasciatus Walker, 1870 , by original designation). Grapaldus Distant, 1914: 335 (type species: Grapaldus corticinus Distant, 1914 , by original designation).

Staliana Medler, 1986: 18 , new name for Atracis Stål, 1866 (type species: Elidiptera inaequalis Walker,

1858, by original designation).

Atracis – Metcalf 1957: 478.

Uxantis – Melichar 1902: 160, subgenus of Atracis Stål, 1866 . — Banks 1910: 47, valid genus, designated type species: Uxantis consputa Stål, 1870 — Medler 1986: 18, synonymized.

Franciscus – Metcalf 1957: 513, synonymized.

Grapaldus – Metcalf 1957: 455, synonymized.

Staliana – Fletcher 2009 and updates, invalid new name.

Distribution

Sri Lanka, Malaysia, China (Zhejiang, Fujian, Taiwan, Guangxi and Hainan Province), India, Japan, Indonesia, Bangladesh.

Checklist of species from China

A. fimbria ( Walker, 1851)

Elidiptera fimbria Walker, 1851: 331 .

Flatoides fimbria (Walker) – Stål 1862: 489.

Atracis fimbria (Walker) – Melichar 1902: 199.

Distribution: China (Yunnan), India, Sri Lanka.

A. formosana Jacobi, 1915

Atracis formosana Jacobi, 1915: 177 .

Distribution: China (Taiwan), Japan (Honshu, Kyushu).

A. hainanensis Distant, 1912

Atracis hainanensis Distant, 1912: 470 .

Distribution: China (Hainan).

A. koshunensis Kato, 1933

Atracis koshunensis Kato, 1933: 466 , fig. 2.

Distribution: China (Taiwan).

A. kotoshonis Matsumura, 1940

Atracis kotoshonis Matsumura, 1940: 48 .

Distribution: China (Taiwan).

A. mucida Jacobi, 1915

Atracis mucida Jacobi, 1915: 177 .

Distribution: China (Fujian, Taiwan, Hainan).

A. obscura Zia, 1935

Atracis obscura Zia, 1935: 534 , fig. 5.

Distribution: China (Guangxi), India.

A. ocularia sp. nov.

Distribution: China (Hainan).

A. patefacta sp. nov.

Distribution: China (Yunnan).

A. pruinosa ( Walker, 1858)

Elidiptera pruinosa Walker, 1858: 75 .

Flatoides pruinosa (Walker) – Stål 1862: 489.

Atracis pruinosa – Stål 1866: 250.

Distribution: Northern China.

A. punctulata sp. nov.

Distribution: China (Guangdong).

A. sphaerica sp. nov.

Distribution: China (Guangxi, Zhejiang).

A. ungulata sp. nov.

Distribution: China (Hainan).

Key to species of Atracis in China

1. Pronotum with three carinae .................................................................... A. koshunensis Kato, 1933 – Pronotum without carina ................................................................................................................... 2

2. Small size, body length less than 7 mm ............................................ A. kotoshonis Matsumura, 1940 – Medium size, body length more than 10 mm .................................................................................... 3

3. Tegminal costal margin evenly convex ............................................................................................. 4 – Tegminal costal margin sinuate ........................................................................................................ 5

4. Vertex 1.9 times wider than long ............................................................. A. formosana Jacobi, 1915 – Vertex as long as wide ...................................................................................... A. obscura Zia, 1935

5. Tegmina marked with large spot ( Fig. 1B ) .......................................................... A. ocularia sp. nov. – Tegmina variously marked but lacking large spot ............................................................................ 6

6. Vertex wider than long ...................................................................................................................... 7 – Vertex much longer than wide .......................................................................................................... 8

7. Vertex 1.1 times as wide as long; frons with one short carina ( Fig. 8 D–E) ..... A. sphaerica sp. nov. – Vertex obviously wider than long; frons with two weak carinae............. A. pruinosa ( Walker, 1858)

8. Frons without longitudinal median carina .................................................... A. mucida Jacobi, 1915 – Frons with short longitudinal median carina at dorsal portion ......................................................... 9

9. Posterior lateral margins of vertex convex or humped, higher than anterior portion ..................... 10 – Posterior lateral margins of vertex not humped, at same level as anterior portion ( Fig. 3D ) ............. ............................................................................................................................ A. patefacta sp. nov.

10. Head and thorax slightly mottled with dark color ............................... A. hainanensis Distant, 1912 – Head and thorax heavily marked with fuscous patches ...................................................................11

11. Periandrium with pair of processes, apex of processes forked ( Fig. 12C ) .......... A. ungulata sp. nov. – Periandrium with pair of processes, but apex of processes not forked ........................................... 12

12. Processes of periandrium extending ventrad and crossed .......................... A. fimbria ( Walker, 1851) – Processes of periandrium extending cephaloventrad and parallel ( Fig. 7A ) ... A. punctulata sp. nov.

Figures

Fig. 1. Atracis ocularia sp. nov., holotype, ♂ (NWAFU). A. Habitus, dorsal view. B. Tegmen. C. Hind leg apex. D. Head and thorax, dorsal view. E. Head and thorax, left lateral view. F. Face. G. Male genitalia (phallic complex removed), right lateral view. H. Male anal tube, dorsal view. I. Phallic complex, right lateral view.

Fig. 8. Atracis sphaerica sp. nov. A. Habitus, dorsal view. B. Tegmen. C. Hind leg apex. D. Head and thorax, dorsal view. E. Head and thorax, left lateral view. F. Face. G. Male anal tube, dorsal view. H. Male genitalia (phallic complex removed), right lateral view. I. Phallic complex, right lateral view.

Fig. 3. Atracis patefacta sp. nov. A. Habitus, dorsal view. B. Tegmen. C. Hind leg apex. D. Head and thorax, dorsal view. E. Head and thorax, left lateral view. F. Face. G. Male anal tube, dorsal view. H. Male genitalia, right lateral view. I. Phallic complex, right lateral view. J. Phallic complex, dorsal view. K. Phallic complex, ventral view.

Fig. 12. Atracis ungulata sp. nov. A. Tegmen. B. Male genitalia, right lateral view. C. Phallic complex, right lateral view. D. Phallic complex, dorsal view. E. Phallic complex, ventral view. F. Periandrium, right lateral view. G. Periandrium, dorsal view. H. Periandrium, ventral view. I. Aedeagus, right lateral view. J. Aedeagus, dorsal view. K. Aedeagus, ventral view. Scale bars = 0.5 mm.

Fig. 7. Atracis punctulata sp. nov. A. Periandrium, right lateral view. B. Periandrium, dorsal view. C. Periandrium, ventral view. D. Aedeagus, right lateral view. E. Aedeagus, dorsal view. F. Aedeagus, ventral view. Scale bars = 0.5 mm.