Takiyaella, Gonçalves & Domahovski, 2021

Gonçalves, Clayton C. & Domahovski, Alexandre C., 2021, A new genus and five new species of Neocoelidiinae leafhoppers from Brazil (Insecta: Hemiptera: Cicadellidae) with a key to males, European Journal of Taxonomy 775, pp. 34-61 : 58

Key to males of Takiyaella gen. nov.

1. Forewing with black macula on fourth apical cell ( Fig. 1D ); pygofer not expanded apically ( Fig. 1E ); connective Y-shaped ( Fig. 1H ); aedeagal shaft with apical portion not expanded laterally ( Fig. 1J– K ) ............................................................................................................ T. anomala gen. et sp. nov.

– Forewing without black macula on fourth apical cell ( Figs 3D , 7D ); pygofer expanded apically ( Figs 5E , 8E ); connective V-shaped ( Figs 5H , 10G ); aedeagal shaft with apical portion expanded laterally ( Figs 7K , 8K ) ...................................................................................................................... 2

2. Aedeagus with apex spatulate, lateral margins bearing small spiniform projections ( Figs 3K , 8K , 10J ) ................................................................................................................................................... 3

– Aedeagus expanded apically forming a small lateral process on each side ( Figs 5K , 7K ) ................ ........................................................................................................................................................... 5

3. Pygofer strongly expanded apically, dorsal margin without distinct lobe ( Fig. 8E ); aedeagus short, shaft flattened laterally on basal half, atrial processes, in lateral view, posterior to shaft curvature ( Fig. 8J ) ................................................................................................ T. mejdalanii gen. et sp. nov.

– Pygofer moderatelly expanded apically, dorsal margin with distinct lobe ( Figs 3E , 10D ); aedeagus long, shaft tubular on basal half, atrial processes, in lateral view, anterior or parallel to shaft curvature ( Figs 3J , 10I ) ..................................................................................................................................... 4

4. Aedeagus with atrial processes parallel to shaft and following its curvature ( Fig. 3J ) ...................... ............................................................................................................... T. cavichiolii gen. et sp. nov.

– Aedeagus with atrial processes anterior to the shaft curvature ( Fig. 10I ) .......................................... ................................................... T. sexguttata ( Chiamolera & Cavichioli, 2003) gen. et comb. nov.

5. Aedeagus with two pairs of atrial processes ( Fig. 5J–K ) ......... T. coelhomarquesae gen. et sp. nov.

– Aedeagus with a pair of bifid atrial processes ( Fig. 7J–K ) ........................ T. daniela gen. et sp. nov.

Figures

Fig. 1. Takiyaella anomala gen. et sp. nov., ♂, holotype (DZRJ-AUCH #238). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Forewing. E. Pygofer and anal tube, lateral view. F. Valve and subgenital plate, lateral view. G. Valve and subgenital plate, ventral view. H. Styles and connective, dorsal view. I. Style, lateral view. J. Aedeagus, lateral view. K. Aedeagus, ventral view. Scale bars: A–C = 1.0 mm; D = 2.0 mm; E–I = 0.5 mm; J–K = 0.4 mm.

Fig. 3. Takiyaella cavichiolii gen. et sp. nov., ♂, holotype (DZUP 492451). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Forewing. E. Pygofer, lateral view. F. Valve and subgenital plate, lateral view. G. Valve and subgenital plate, ventral view. H. Style and connective, dorsal view. I. Style, lateral view. J. Aedeagus, lateral view. K. Aedeagus, caudal view. L. Aedeagus, ventral view. M. Anal tube, lateral view. Scale bars: A–C = 1.0 mm; D = 2.0 mm; E–I, M = 0.5 mm; J–L = 0.4 mm.

Fig. 7. Takiyaella daniela gen. et sp. nov., ♂, holotype (DZRJ-AUCH #244). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Forewing. E. Pygofer and anal tube, lateral view. F. Valve and subgenital plate, lateral view. G. Valve and subgenital plate, ventral view. H. Styles and connective, dorsal view. I. Style, lateral view. J. Aedeagus, lateral view. K. Aedeagus, caudal view. Scale bars: A–C = 1.0 mm; D = 2.0 mm; E–I = 0.5 mm; J–K = 0.4 mm.

Fig. 5. Takiyaella coelhomarquesae gen. et sp. nov., ♂, holotype (DZUP-083605). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Forewing. E. Pygofer and anal tube, lateral view. F. Valve and subgenital plate, lateral view. G. Valve and subgenital plate, ventral view. H. Styles and connective, dorsal view. I. Style, lateral view. J. Aedeagus, lateral view. K. Aedeagus, caudal view. L. Anal tube, lateral view. Scale bars: A–C = 1.0 mm; D = 2.0 mm; E–J, L = 0.5 mm; K = 0.4 mm.

Fig. 8. Takiyaella mejdalanii gen. et sp. nov., ♂, holotype (DZRJ-AUCH #246). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Forewing. E. Pygofer and anal tube, lateral view. F. Valve and subgenital plate, lateral view. G. Valve and subgenital plate, ventral view. H. Styles and connective, dorsal view. I. Style, lateral view. J. Aedeagus, lateral view. K. Aedeagus, caudal view. Scale bars: A–C = 1.0 mm; D = 2.0 mm; E–I = 0.5 mm; J–K = 0.4 mm.

Fig. 10. Takiyaella sexguttata (Chiamolera & Cavichioli, 2003) gen. et comb. nov., ♂, holotype (DZUP-082927). A. Head and thorax, dorsal view. B. Head, frontal view. C. Head and thorax, lateral view. D. Pygofer, lateral view. E. Valve and subgenital plate, lateral view. F. Valve and subgenital plate, ventral view. G. Styles and connective, dorsal view. H. Style, lateral view. I. Aedeagus, lateral view. J. Aedeagus, caudal view. K. Aedeagus, ventral view. L. Anal tube, lateral view. Scale bars: A–C = 1.0 mm; D–H, L = 0.5 mm; I–K = 0.4 mm.