Arcofaciella verrucosa Fennah, 1956

Li, Hong-Xing, Chen, Xiang-Sheng & Yang, Lin, 2021, Review the bamboo-feeding genus Arcofaciella Fennah, 1956 (Hemiptera: Fulgoromorpha: Delphacidae) with description of a new species from India, European Journal of Taxonomy 748 (1), pp. 51-66 : 61-62

Arcofaciella verrucosa Fennah, 1956

Figs 5–6

Material examined

CHINA • 8 ♂♂, 8 ♀♀; Taiwan, Nantou ; 23°90′ N, 120°69′ E; 24 Nov. 2002; X.S. Chen leg.; on bamboo; GUGC-FDTA-20021101 to 20021116 • 22 ♂♂, 17 ♀♀; Guangdong, Guangzhou ; 23°18′ N, 113°36′ E; 22 Nov. 2006; X.S. Chen leg.; on bamboo; GUGC-FDTA-20061101 to 20061139 • 14 ♂♂, 5 ♀♀; Hunan, Xinning, Langshan ; 26°43′ N, 110°85′ E; 10 Aug. 2007; X.S. Chen leg.; on bamboo; GUGC- FDTA-20070801 to 20070819 • 8 ♂♂, 17 ♀♀; Sichuan, Changning, Zhuhai ; 28°59′ N, 104°92′ E; 27 Sep. 2008; H.R. Li leg.; on bamboo; GUGC-FDTA-20080901 to 20080925 • 1 ♂, 11 ♀♀; Sichuan, Changning, Sansong ; 28°56′ N, 104°92′ E; 28 Sep. 2008; H.R. Li leg.; on bamboo; GUGC-FDTA-20080926 to 20080937 • 3 ♂♂; Guangdong, Zhuhai ; 22°20′ N, 113°29′ E; 9 Oct. 2008; X.H. Hou leg.; on bamboo; GUGC-FDTA-20081001 to 20081003 • 1 ♂; Hainan, Haikou, Huoshankou ; 19°92′ N, 110°21′ E; 8 Apr. 2009; X.H. Hou leg.; on bamboo; GUGC-FDTA-20090401 • 2 ♀♀; Guangxi, Daxin, Enchen ; 22°81′ N, 107°19′ E; 4 May 2009; H.R. Li leg.; on bamboo; GUGC-FDTA-20090501 to 20090502 • 1 ♂; Guangxi, Longzhou, Shuikou ; 22°33′ N, 106°85′ E; 6 May 2009; H.R. Li leg.; on bamboo; GUGC-FDTA-20090503 • 3 ♂♂, 1 ♀; Guangxi, Ningming, Nakan ; 22°14′ N, 107°07′ E; 9 May 2009; H.R. Li leg.; on bamboo; GUGC-FDTA-20090504 to 20090507 • 23 ♂♂, 11 ♀♀; Guangxi, Shangsi ; 22°15′ N, 107°98′ E; 11 May 2009; H.R. Li leg.; on bamboo; GUGC-FDTA-20090508 to 20090541 • 3 ♂♂, 4 ♀♀; Guangxi, Shuoyang, Baisha ; 23°73′ N, 106°91′ E; 20 May 2009; on bamboo; GUGC- FDTA-20090542 to 20090548 • 3 ♂♂, 8 ♀♀; Jiangsu, Nanjing ; 31°32′ N, 118°89′ E; 20 Aug. 2009; T.T. He leg.; on bamboo; GUGC-FDTA-20090801 to 20090811 • 41 ♂♂, 57 ♀♀; Guangdong, Guangzhou ; 23°18′ N, 113°36′ E; 22 Aug. 2010; X.H. Hou leg.; on bamboo; GUGC-FDTA-20100801 to 20100898 • 1 ♂, 2 ♀♀; Jiangxi, Ganzhou, Nankang ; 25°63′ N, 114°75′ E; 24 Oct. 2015; Q. Luo leg.; on bamboo; GUGC-FDTA-20151001 to 20151003 • 15 ♂♂, 17 ♀♀; Yunnan, Menghai ; 21°98′ N, 100°48′ E; 23 Jun. 2019; H.X. Li, N. Gong and F.E. Li leg.; on bamboo; GUGC-FDTA-20190619 to 20190650 • 18 ♂♂, 17 ♀♀; Hunan, Xinning, Langshan ; 26°43′ N, 110°85′ E; 6 Sep. 2019; Q. Luo and Z.C. Zhou leg.; on bamboo; GUGC-FDTA-20190901 to 20190935 .

Redescription

MEASUREMENTS. Body length including forewing: male 4.3–4.5 mm (N = 10); female 4.8–5.1 mm (N = 10); forewing length: male 3.5–3.7 mm (N = 10); female 3.5–4.6 mm (N = 10).

COLORATION. General color greenish stramineous ( Fig. 5 ); two spots on vertex and impression in fork of median carina of frons orange ( Fig. 5G ). Forewings ( Fig. 6D ) translucent-ochraceous, a small round callus near ScP-R fork and another near CuA fork piceous, a faint transverse stripe across middle of clavus, and apical veins at margin brown. Hindwings yellowish hyaline, veins concolorous. Abdomen light nacarat, slightly lighter ventrally, and disc of first abdominal segment ventrally and dorsally black.

HEAD AND THORAX.Vertex ( Fig. 6A ) at midline shorter than wide at base (0.27:1), width at apex narrower than at base (0.58:1). Frons ( Fig. 6C ) 1.44 times longer in middle line than widest part, narrower at apex than at base (0.95:1). Postclypeus ( Fig. 6C ) wider at base than frons at apex. Antennae ( Fig. 6C ) with first segment longer than wide at apex (1.08:1), shorter than second segment (0.52:1). Pronotum ( Fig. 6A ) at midline longer than vertex (1.53:1). Mesonotum ( Fig. 6A ) 3.74 times as long as vertex and pronotum combined in middle line. Forewing ( Fig. 6D ) in middle line longer than wide at widest part (3.12:1). Spinal formula of hind tibia 5-8-5 or 5-9-5.

MALE GENITALIA. Anal segment ( Fig. 6E ) moderately large, ring-like, without anal process, anal style distinctly elongate and narrow, nearly lanceolate in lateral view ( Fig. 6F ). Pygofer in profile ( Fig. 6F ) with dorsal margin shorter than ventral margin, posterior margin convex, in posterior view ( Fig. 6G ) with opening longer than wide, ventral margin broadly concave, without medioventral process. Genital styles ( Fig. 6H–I ) long, reaching basal anal segment, laterally compressed, nearly paralleled, in posterior view ( Fig. 6H ) with outer apical angle rounded, inner apical angle bifurcate, in lateral view ( Fig. 6I ) with upper ⅖ with posterior edge excavated, apical part distinctly curved inward, with inner edge angularly directed ventrally. Aedeagus ( Fig. 6J–K ) long, tubular, with distinct phallotheca, with basal part lying between two valvular processes of phallotheca, deflecting leftward, apical part recurved downward and reaching ⅔ of phallotheca. Phallotheca shaft laterally compressed, narrowing distad and strongly deflexed, recurved caudad at blunt apex.

Host plant

Bambusa dolichoclada Hayata , B. oldhamii Munro , B. multiplex (Lour.) Raeusch. , B. multiplex cv. fernleaf Rob.A.Young, B. multiplex cv. Alphonse Karr Rob.A.Young (Bambusoideae).

Distribution

China ( Hong Kong, Taiwan, Fujian, Tibet, Hunan, Guangdong, Sichuan, Hainan, Guangxi, Jiangsu, Jiangxi, Guizhou, Yunnan).

Figures

Fig. 5. Arcofaciella verrucosa Fennah, 1956. A–C, G–I = ♂ (GUGC-FDTA-20190619); D–F = ♀ (GUGC-FDTA-20190620). A. Male habitus, dorsal view. B–C. Same, lateral view. D. Female habitus, dorsal view. E–F. Same, lateral view. G. Head and thorax, dorsal view. H. Face. I. Frons, lateral view. Scale bars: A–F = 1 mm; G–I = 0.5 mm.

Fig. 6. Arcofaciella verrucosa Fennah, 1956, ♂ (GUGC-FDTA-20190619). A. Head and thorax, dorsal view. B. Same, lateral view. C. Face. D. Forewing. E. Male genitalia, posterior view. F. Same, lateral view. G. Pygofer, posterior view. H. Genital style, posterior view. I. Same, lateral view. J. Aedeagus, right lateral view. K. Same, left lateral view. Scale bars: A–D = 0.5 mm; E–K= 0.2 mm.