Limois westwoodii ( Hope, 1843 )

Lin, You-Sheng, Liao, Jhih-Rong, Shiao, Shiuh-Feng & Ko, Chiun-Cheng, 2023, Lanternflies (Hemiptera: Fulgoridae) of Taiwan., Zoological Studies (Zool. Stud.) 62 (7), pp. 1-37 : 10-11

Limois westwoodii ( Hope, 1843) new record ( Figs. 7 , 8 )

Lystra westwoodii Hope, 1843: 133 .

Limois westwoodii Stål, 1863: 231 ; Distant, 1906: 200; Metcalf, 1947: 170; Lallemand, 1963: 55; Nagai and Porion, 1996: 22; Wang et al., 2020: 49.

Type locality: Bangladesh ( Wang et al. 2020).

Description: Measurements: body length, male (n = 7) 20 mm (17.9–23.3 mm), female (n = 4) 23.2 mm (21.9–25.2 mm); tegmen length, male (n = 7) 17.3 mm (15.7–20.4 mm), female (n = 4) 19.8 mm (18.2–21.9 mm).

Head: general color reddish brown to yellowish green ( Fig. 7 ); cephalic process short, protruding upward and backward ( Fig. 7A, C ); vertex broader than long, with 1–2 pairs of dark brown spot along posterior margin, lateral margins medially carinate ( Fig. 7A, C ); frons longer than broad, with 1 yellowish green patch on each latero-posterior angle, 1 yellowish green patch along middle of posterior margin, and 2 longitudinal carinae extending from ventral side of cephalic process ( Fig. 7B, D ); antennae brown ( Fig. 7C, D ); clypeus longer than frons, with 2 yellowish green patches on median carina, 1 near anterior margin and 1 near posterior margin ( Fig. 7B ); labium elongate, reaching apex of abdomen ( Fig. 7B ).

Thorax: ( Fig. 7A, C ) general color reddish brown to yellowish green; pronotum with 1 pair of dark brown subquadrangular patch along anterior margin, followed by 1 pair of small brown spot posteriorly, 1 dark brown spot on each lateral area, and 1 pair of dark brown subrectangular patch along posterior margin; mesonotum with 1 pair of dark brown subquadrangular or subtriangular patch along middle of anterior margin between 1 pair of dark brown subsemicircular patch and 1 pair of dark brown spot, numerous small dark brown spots between lateral carinae, and 1 dark brown subtriangular patch and 1 dark brown spot on each lateral area ouside lateral carinae.

Tegmina: ( Fig. 7A ) basal 1/3 with 1 dark brown oblique irregular band, dividing tegmen into basal colored area and apical hyaline area, sometimes extending to apico-posterior margin; basal colored area yellowish brown to light yellowish green, with 1 big dark brown patch near anterior margin, 1–2 moderate dark brown spots along claval suture and numerous small dark brown spots throughout; apical hyaline area with several brown spots varying in size along anterior margin, 1–2 moderate brown spots near middle of anterior margin, several brown spots varying in size along apical margin, and numerous small brown spots throughout.

Hindwings: ( Fig. 7A ) basal 1/2 mixed with coral pink and orange, with 1 big and 1 small brown spot on A1 vein; apical 1/2 hyaline; posterior margin dark brown.

Legs: ( Fig. 7A, B, C ) general color dark brown; femora with several yellowish green irregular patches; tibiae with 2 yellowish white rings, metatibiae with 5–7 lateral spines; mesotarsomeres with 1 yellowish white ring.

Abdomen: ( Fig. 7A, B ) general color black, posterior margin of tergites yellow to yellowish brown.

Male genitalia: 9th abdominal segment, in lateral view, with anterior margin slightly convex near ventroanterior margin, dorso-anterior margin acute, dorso-posterior margin rounded, ventro-posterior margin with a small acute projection ( Fig. 8A ); 10th abdominal segment with ventral margin slightly convex at 1/3 from apex in lateral view ( Fig. 8A ), apical margin about 1.5 times broader than basal margin, medially concave as “V” shape dorsally but slightly concave as “U” shape ventrally in dorsal view ( Fig. 8B ); 11th abdominal sternite about 2 times longer than 11th abdominal tergite ( Fig. 8B ); genital styles as long as 10th abdominal segment in lateral view ( Fig. 8A ), subtriangular with a hook on each lateral margin at 1/3 from base in ventral view ( Fig. 8C ); lateral phallobasal lobes membranous ( Fig. 8D, E ); phallobasal conjunctival processes exposed, straight and sclerotized except for apexes, about 6 times longer than sheath, apexes inflated and fin-like ( Fig. 8D, E ).

Materials examined: Holotype: female of Lystra westwoodii Hope, 1843 (examined from photographs in Wang et al. (2020)), Bangladesh, collecting date unknown, leg. Frederick John Parry ( OUMNH).

Other materials: 1 male, Fushan, Wulai, Tapei, X-(14-17)-1996, leg. C. S. Lin & M. L. Chan ( NMNS); 1 female, Liyuan, Provincial, Rd. No. 20 (163.5 km), Taitung, IX-02-2002, leg. J. H. Chen ( NMNS); 1 male, Yingziking, Ilan, VIII-10-2021, leg. C. F. Lin ( NTU); 2 males, Hehuan Yuelin trail (24°10'40.8"N, 121°24'16.2"E), Hualien, X-28-2021, leg. C. F. Lin ( NTU); 1 male, Tianxiang, Hualien, II-11-1990, leg. C. F. Lee ( NTU); 1 male, Shenmihu, Ilan, X-24-1993, leg. W. I. Chou ( TARI); 1 male, Fusan Botanical Garden, Ilan, XII-20-1995, leg. A. Warneke ( TFRI); 1 male, same locality, VII-27-1995, leg. Y. J. Chen ( TFRI); 1 female, same locality, XI-22-1995, leg. A. Warneke ( TFRI); 1 female, same locality, X-05-1994, leg. A. Warneke ( TFRI); 1 female, same locality, XI-02-1994, leg. W. T. Jou ( TFRI).

Host plant: unknown.

Distribution: Taiwan, Bangladesh, China, Myanmar ( Wang et al. 2020).

Remarks: This species is similar to Limois kikuchii but can be distinguished by the morphology of male genitalia. See remarks of L. kikuchii for diagnostic characters. This species has been collected at light traps.

Figures

Fig. 7. Limois westwoodii (Hope, 1843), adult male. A, Habitus, dorsal view. B, Habitus, ventral view. C, Habitus, left lateral view (not to scale). D, Frons (not to scale).

Fig. 8. Limois westwoodii (Hope, 1843), male genitalia. A, Male genitalia, left lateral view. B, 10th–11th abdominal segments, dorsal view. C, Genital styles, ventral view. D, Phallic complex, ventral view. E, Phallic complex, dorsal view.