Ricanula

Ren, Lan-Lan, Stroiński, Adam & Qin, Dao-Zheng, 2016, Three new species of the genus Ricanula Melichar, 1898 (Hemiptera: Fulgoromorpha: Ricaniidae) from China, Zootaxa 4168 (3), pp. 557-569 : 558

Key to species of Ricanula (females) from China

1. Pregenital sternite with posterior margin almost straight, medially slightly incised ( Fig. 17 )............. R. unica sp. nov.

- Pregenital sternite with posterior margin convex medially..................................................... 2

2. Median portion of the posterior margin with strong process ( Fig. 41 ).......................... .. R. hainanensis sp. nov.

- Median portion of the posterior margin without single strong process........................................... 3

3. Median portion of posterior margin with bilobate process....................................... R. pulverosa (Stål)

- Median portion of posterior margin without process ( Fig. 34 ).................................. R. fujianensis sp. nov.

Figures

FIGURES 14 – 17. Ricanula unica sp. nov. (14) phallic complex, left view; (15) same, ventral view; (16) same, dorsal view; (17) pregenital sternite (female), flattened. Scale bars = 0.10 mm (Figs 14 – 17).

FIGURES 41 – 49. Ricanula hainanensis sp. nov., holotype, female. (41) pregenital sternite, flattened; (42) anal tube, dorsal view; (43) same, lateral view; (44) gonoplac, external lateral view; (45) posterior margin of the gonoplac, internal view; (46) gonopophysys VIII and endogonocoxal process, lateral view; (47) gonapophysis IX and gonospiculum bridge, dorsal view; (48) same, lateral view; (49) spermatheca. Scale bars = 1 mm (Figs 41, 44 – 46, 49); 0.50 mm (Figs 42, 43, 47, 48).

FIGURES 31 – 34. Ricanula fujianensis sp. nov. (31) phallic complex, lateral view; (32) same, dorsal view; (33) same, ventral view; (34) pregenital sternite (female), flattened. Scale bars = 0.10 mm (Figs 31 – 34).