Kakuna Matsumura, 1935

Chen, Xiang-Sheng & Yang, Lin, 2010, Oriental bamboo delphacid planthoppers: three new species of genus Kakuna Matsumura (Hemiptera: Fulgoromorpha: Delphacidae) from Guizhou Province, China, Zootaxa 2344, pp. 29-38 : 30

publication ID

https://doi.org/ 10.5281/zenodo.193344

DOI

https://doi.org/10.5281/zenodo.6197638

persistent identifier

https://treatment.plazi.org/id/947C87F5-CE0E-E04E-10D6-68F3313E0E04

treatment provided by

Plazi

scientific name

Kakuna Matsumura, 1935
status

 

Kakuna Matsumura, 1935

( Figs 1–34 View FIGURES 1 – 11 View FIGURES 12 – 22 View FIGURES 23 – 34 )

Kakuna Matsumura, 1935: 76 ; Ding, 2006: 404.

Parametopina Yang, 1989: 308 , synonymized by Ding, 2006. Type species. Kakuna kuwayamai Matsumura, 1935 , by original designation.

Diagnosis. Body size relatively large (body length including forewing 5.5 –8.0 mm); general color yellowish brown, dorsum with milk-white longitudinal median stripe from middle of vertex, via pro- and mesonotum, posterior margin, to middle of posterior margin of forewing; forewing with large, longitudinal, brown marking (in male, from base of costal margin to apex; in female, from transverse vein to apex); antennae long, reaching level with middle of postclypeus; male pygofer in profile, laterodorsal angle usually produced caudad; dorsal margin of diaphragm produced dorsad in spinous processes; aedeagus long, tubular; genital styles long, closely curving apically.

Description. Body size relatively large, body length (from apex of vertex to tip of forewings): male 5.5 – 7.0 mm, female 6.5 –8.0 mm.

Coloration. General color yellowish brown, dorsum of body with milk-white longitudinal median stripe from middle of vertex to middle of posterior margin of forewings, distinctly expanding at scutellum and narrow at forewing ( Figs 1, 3 View FIGURES 1 – 11 , 12, 14 View FIGURES 12 – 22 , 23, 25, 26 View FIGURES 23 – 34 ). Forewings with large, longitudinal, brown marking from base of costal area to apex in male ( Figs 3 View FIGURES 1 – 11 , 14 View FIGURES 12 – 22 , 25 View FIGURES 23 – 34 ) and with small, longitudinal, brown marking from transverse vein to apex in female ( Fig. 26 View FIGURES 23 – 34 ).

Head. Head ( Figs 1 View FIGURES 1 – 11 , 12 View FIGURES 12 – 22 , 23 View FIGURES 23 – 34 ) including eyes narrower than pronotum (0.79–0.81: 1). Vertex broad, as long in median line as broad at base, apically narrower than at base, lateral margins shallowly concave, diverging basally, carinae distinct, submedian carinae originating from middle of lateral margins, uniting at apex, slightly convex outer of apical margin of vertex. Frons ( Figs 2 View FIGURES 1 – 11 , 13 View FIGURES 12 – 22 , 24 View FIGURES 23 – 34 ) relatively long, longer in median line than widest part about 2.28–2.40: 1, widest above the level of ocelli, wider at base than at apex, median carina forked at extreme base. Post clypeus long, wider at base than frons at apex. Antennae cylindrical, long, reaching to level with middle of post clypeus, with basal segment longer than wide at apex (about 1.85: 1.00), shorter than second segment (about 0.56: 1).

Thorax. Pronotum ( Figs 1 View FIGURES 1 – 11 , 12 View FIGURES 12 – 22 , 23 View FIGURES 23 – 34 ) shorter than vertex in median line, with lateral carinae incurved, almost reaching to hind margin. Mesonotum distinctly longer in median line than vertex and pronotum together (1.85–1.90: 1), tricarinae, median carina disappearing before scutellum. Forewings ( Figs 3 View FIGURES 1 – 11 , 14 View FIGURES 12 – 22 , 25, 26 View FIGURES 23 – 34 ) long and narrow, longer than widest part (2.93–3.41: 1). Hindwings subtriangular, M and Cu 1 a with long common stem after transverse vein, M+Cu 1 a not touching Cu 1 b ( Fig. 15 View FIGURES 12 – 22 ). Post tibial spur thin, with 27–30 teeth along hind margin, basal segment of digitus longer than second and third combined (1.70–1.85: 1).

Male genitalia. Anal segment of male ( Figs 4, 5 View FIGURES 1 – 11 , 16 –19 View FIGURES 12 – 22 , 28– 30 View FIGURES 23 – 34 ) deeply sunk into dorsal emargination of pygofer, short, ring-like, process of ventroapical margin present or absent. Pygofer in profile ( Figs 4 View FIGURES 1 – 11 , 18 View FIGURES 12 – 22 , 29 View FIGURES 23 – 34 ) slightly shorter dorsally than ventrally, laterodorsal angle usually strongly produced caudad, posterior margin straight or concave, in posterior view ( Figs 5 View FIGURES 1 – 11 , 19 View FIGURES 12 – 22 , 30 View FIGURES 23 – 34 ) with opening longer than wide, ventral margin broadly concave, without medioventral process. Diaphragm ( Figs 6 View FIGURES 1 – 11 , 20 View FIGURES 12 – 22 , 31 View FIGURES 23 – 34 ) narrow, with dorsal margin produced dorsad in two spinous processes or forked process. Suspensorium ring-like, with broad stalk. Aedeagus ( Figs 8, 9 View FIGURES 1 – 11 , 21 View FIGURES 12 – 22 , 32, 33 View FIGURES 23 – 34 ) tubular, long. Genital styles ( Figs 10, 11 View FIGURES 1 – 11 , 22 View FIGURES 12 – 22 , 34 View FIGURES 23 – 34 ) long, narrowing or tapering to apex, in posterior view ( Figs 5 View FIGURES 1 – 11 , 19 View FIGURES 12 – 22 , 30 View FIGURES 23 – 34 ) both converging apically.

Host plant. Bamboo.

Distribution. Oriental region ( China and Japan) ( Fig. 35 View FIGURE 35 ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Delphacidae

Loc

Kakuna Matsumura, 1935

Chen, Xiang-Sheng & Yang, Lin 2010
2010
Loc

Parametopina

Yang 1989: 308
1989
Loc

Kakuna

Ding 2006: 404
Matsumura 1935: 76
1935