Aodingus hainanensis, Chen & Yang, 2023

Li, Hong-Xing, Chen, Xiang-Sheng & Yang, Lin, 2023, A new bamboo-feeding planthopper genus Aodingus Chen & Li (Hemiptera: Fulgoroidea: Delphacidae: Tropidocephalini) with descriptions of three new species from China and Vietnam, European Journal of Taxonomy 891, pp. 151-166 : 155-158

Aodingus hainanensis gen. et sp. nov.

urn:lsid:zoobank.org:act:F7ABC17F-ED0B-4C11-9AAE-DCD2FC486568

Figs 1–2

Diagnosis

The salient features of the new species include the following: forewings ( Fig. 1A ) uniformly yellowish brown; lateral margins of basal part of frons ( Figs 1E , 2B ) with short yellowish white transverse markings; ventral margin of aedeagus ( Fig. 2F ) with a small process medially.

Etymology

This new species is named after the type locality, Hainan Province, China.

Material examined

Holotype CHINA • Ô; Hainan, Changjiang County, Bawangling National Natural Reserve ; 19°07´N, 109°04´E; alt. 478–817 m; 24 Apr. 2009; X.H. Hou leg.; on bamboo; GUGU-FS-TA-20090401 .

Paratypes

CHINA • 2 ÔÔ; same collection data as for holotype; GUGU-FS-TA-20090402 to GUGU-FS-TA-20090403 • 1 Ô; Hainan, Changjiang, County, Bawangling National Natural Reserve ; 19°07´N, 109°04´E; alt. 520 m; 26 Aug. 2015, Z.X. Zhou leg.; on bamboo; GUGU-FS-TA-20150801 .

Description

MEASUREMENTS. Body length including forewing: male 4.0– 4.4 mm (N = 3), female: 4.4 mm (N = 1); forewing length: male 3.0– 3.4 mm (N = 3), female 3.4 mm (N = 1).

COLORATION. General color yellowish brown with dark brown markings ( Fig. 1A–F ). Vertex yellowish brown, carinae brown ( Fig. 1C ). Frons dark brown except apical part yellowish white, lateral margins of basal part with short yellowish white transverse markings. Clypeus yellowish brown, lateral carinae brown. Genae pale yellowish white except areas below level of lower margin of eyes dark brown, lateral carinae brown. Eyes reddish brown. Antennae with first segment brown dorsally and yellowish brown to pale brown ventrally, second segment pale brown, middle part dark brown ( Figs 1D–E , 2B ). Pronotum and mesonotum yellowish brown ( Fig. 1C ). Forewing yellowish brown, veins brown ( Figs 1A , 2C ). Wings pale brown, veins brown. Legs pale yellowish brown to brown ( Fig. 1F ). Thorax with ventral part pale yellowish brown, lateral areas with dark brown markings. Abdomen brown to dark brown. Male pygofer and anal segment dark brown.

HEAD AND THORAX. Vertex ( Fig. 2A ) at base broader than medially long about 1: 0.73, slightly narrower at apex than at base about 0.95: 1, lateral carinae subparallel. Frons ( Fig. 2B ) broad, length in middle line equal to wide at widest part, widest at middle level of eyes, median carina weak, basal half of frons slightly concave. Antennae ( Fig. 2B ) with first segment shorter than second segment about 0.38: 1. Pronotum ( Fig. 2A ) longer than vertex about 1: 0.9. Mesonotum ( Fig. 2A ) shorter than pronotum and vertex combined about 0.98: 1. Forewing ( Fig. 2C ) longer in middle line than wide at widest part about 2.63: 1.

MALE GENITALIA. Anal segment of male ( Fig. 2D ) short, ring-like. Pygofer in posterior view ( Fig. 2D ) with opening slightly wider than long, ventral margin concave W-shaped, with 2 small lobe-shape processes on both sides of medioventral margin, in lateral view ( Fig. 2E ) ventral margin longer than dorsal margin, posterior margin sinuate. Aedeagus ( Fig. 2F ) with phyllobase, phallus tubular, long, blunt rounded end, curved ventrally medially, with acute spinous process on ventral margin of aedeagus medially, phyllobase slender, arising from base of aedeagus dorsally. Genital styles ( Fig. 2H–I ) stout, long, attaining ventral margin of anal segment, apex forked, with large verruciform process at apical ¼.

Host plant

Bambusoideae.

Distribution

China (Hainan).

Figures

Fig. 1. Aodingus hainanensis gen. et sp. nov., holotype (GUGU-FS-TA-20090401). A. Male habitus, dorsal view. B. Same, lateral view. C. Head and thorax, dorsal view. D. Same, lateral view. E. Face. F. Apex of hind leg, ventral view. Scale bars: A–E = 0.5 mm; F = 0.2 mm.

Fig. 2. Aodingus hainanensis gen. et sp. nov., holotype (GUGU-FS-TA-20090401). A. Head and thorax, dorsal view. B. Face. C. Forewing. D. Male genitalia, posterior view. E. Same, lateral view. F. Anal segment and aedeagus, lateral view. G. Pygofer, ventral view. H. Genital styles, posterior view. I. Same, lateral view. Scale bars: A–B, D–I = 0.2 mm; C = 0.4 mm.