Celyphoma bifurca, Meng, Rui & Wang, Yinglun, 2012

Meng, Rui & Wang, Yinglun, 2012, Two new species of the genus Celyphoma Emeljanov, 1971 (Hemiptera: Fulgoromorpha: Issidae) from China, Zootaxa 3497, pp. 17-28 : 25-26

Celyphoma bifurca , sp. nov.

( Figs 6–10 , 25–35 , 40–43 )

Description. Length, male (N = 2) (including tegmen): 3.5–3.6 mm, length of tegmen: 2.2–2.3 mm; length (N = 4) (including tegmen): 3.7–3.9 mm, length of tegmen: 2.4–2.5 mm.

Coloration. Body fuscous with little rufous maculae ( Fig. 7 ). Vertex brown with pale median carina ( Fig. 6 ). Eyes brown ( Fig. 6 ). Frons brown with median carina slightly pale, two large bright spots at middle and two small red spots near frontoclypeal suture, lateral margins pale yellow marked with dark brown spots ( Fig. 8 ). Clypeus yellow with brown oblique stripes. Pronotum pale yellow, two red pits centered, anterior margin marked with brown spots, median carina pale along with dark brown longitudinal stripes ( Fig. 6 ). Mesonotum fuscous with carinae and margins light colored ( Fig. 6 ). Tegmen fuscous ( Fig. 10 ). Legs dark brown. Abdomen yellow ventrally, black dorsally and laterally.

Head and Thorax: Vertex nearly rectangular, anterior margin slightly convexly arched, hind margin slightly concave roundly, 2.1× wider at apex than length at midline ( Figs 6, 7 ). Frons 1.2× longer than widest part ( Fig. 8 ). Pronotum with anterior margin convex, hind margin slightly sinuate ( Fig. 6 ). Mesonotum 2.8× wider at widest part than length in midline ( Fig. 6 ). Tegmen 2.2× longer than widest part, costal margin nearly parallel to sutural margin ( Figs 10 , 40 ). Spinal formula of hind leg 7–8–2.

Male genitalia: Pygofer in lateral view hind margin straight, anterior margin nearly parallel to hind margin ( Fig. 43 ). Suspensorium short. Connective thick but faintly sclerotized ( Fig. 42 ). Aedeagus nearly straight ( Figs 27 , 41, 42 ). Dorso-lateral phallobase lobes straight apically, with one pair of long bifurcate spinous processes near apex directed ventrally in profile. Ventral phallobase lobe as long as dorso-lateral phallobase lobes, tapering to apex. Phallus sclerotized, apical portion of phallus slightly thick, with one pair of thick and long processes positioned at middle of ventral side. Genital style with posterior margin concave in lateral view ( Fig. 43 ). Capitulum of style narrow in dorsal view, with a large lateral lobe-shaped tooth ( Fig. 26 ).

Female genitalia: Sternum VII with apical margin slightly sinuate. Gonoplac slightly elevated in the median area, the third gonoplac lobes faintly sclerotized and pigmented, fork indistinct in dorsal view ( Figs 29, 30 ). Proximal part of posterior connective lamina convex in lateral view, lateral fields flat, median field membranous with single lobe, convex in lateral view ( Figs 31, 32 ). Anterior connective lamina of gonapophyses VIII with three or four teeth in apical group, and three or four carinate large teeth in lateral group ( Figs 33–35 ).

Material examined. Holotype: 3, Miaoergou Valley, Changji City, Xinjiang Uygur Autonomous Region, China, 2 July 1988, coll. Min Wang. Paratypes: 2 3, 3 Ƥ, same data as holotype; 1 3, 1 Ƥ, Banjiegou, Qitai County, Xinjiang Uygur Autonomous Region, China, 1 July 1988, coll. Min Wang.

Remarks. This species resembles C. furcata Lukyanova, 1992 , but differs from the latter by the following features: the aedeagus with branches of lateral processes longer than half the length of the phallobase, the proximal branch curved with apex directing ventral side; ventral processes longer, reaching base of phallobase (in C. furcata , the branches of lateral processes are straight and short, shorter than half of phallobase, with the apical portions almost parallel; ventral processes shorter, not reaching the base of phallobase).

Etymology. The specific name bifurca refers to the aedeagus having a pair of bifurcated processes.

Figures

FIGURES 1 – 10. Celyphoma quadrupla, sp. nov. (1 – 5) and C. bifurca, sp. nov. (6 – 10) 1. adult, dorsal view; 2. head and thorax, dorsal view; 3. frons and clypeus; 4. wing; 5. adult, lateral view. 6. head and thorax, dorsal view; 7. adult, dorsal view; 8. frons and clypeus; 9. wing; 10. adult, lateral view. Scale bars = 1 mm.

FIGURES 25 – 35. Celyphoma bifurca, sp. nov. 25. male anal tube, dorsal view; 26. capitulum, dorsal view; 27. aedeagus, dorsal view; 28. female anal tube, dorsal view; 29. gonoplac, left view; 30. gonoplac, dorsal view; 31. gonapophysis IX and gonaspiculum bridge, right view; 32. gonapophysis IX and gonaspiculum bridge, dorsal view; 33. gonocoxa VIII and gonapophysis VIII, ventral view; 34. gonocoxa VIII and gonapophysis VIII, left view; 35. gonocoxa VIII and gonapophysis VIII, right view. Scale bars = 0.1 mm.

FIGURES 36 – 43. Celyphoma quadrupla, sp. nov. (36 – 39) and C. bifurca, sp. nov. (40 – 43) 36. tegmen; 37. aedeagus, left view; 38. male genitalia, left view; 39. aedeagus, ventral view. 40. tegmen; 41. aedeagus, ventral view; 42. aedeagus, left view; 43. male genitalia, left view. Scale bars = 0.5 mm.