Tetralidia

Gonçalves, Clayton Corrêa & Marques-Costa, Ana Paula, 2014, Two new species of Tetralidia Marques-Costa & Cavichioli (Hemiptera: Cicadellidae: Neocoelidiinae) from Peru with a key to species of the genus, Zootaxa 3815 (2), pp. 279-285 : 280

Key to adult males of Tetralidia

1 Anal tube with basiventral processes shorter than or equal to half basal height of pygofer ( Fig. 4 , Marques-Costa & Cavichioli 2008)............................................................................................... 2

- Anal tube with basiventral processes longer than half basal height of pygofer ( Fig. 14 Marques-Costa & Cavichioli 2008)... 3

2 Pygofer, in lateral view, with apical half strongly narrowed and prolonged ( Fig. 4 , Marques-Costa & Cavichioli 2008); connective H-shaped ( Fig. 7 , Marques-Costa & Cavichioli 2008); aedeagus with preatrium as long as shaft, shaft with preapical pair of small lateral lamellae ( Figs 8, 9 , Marques-Costa & Cavichioli 2008) ( Brazil)........................................................................................................ T. prolata ( Chiamolera & Cavichioli 2004)

- Pygofer, in lateral view, with apical half slightly narrowed towards apex ( Fig. 5 , Gonçalves et al. 2011); connective Y-shaped ( Fig. 8 , Gonçalves et al. 2011); aedeagus with preatrium shorter than shaft, shaft with a preapical pair of dorsal spiniform processes ( Figs 9, 10 , Gonçalves et al. 2011) ( Brazil)........... T. curvipenis ( Gonçalves, Marques-Costa & Ale-Rocha 2011)

3 Subgenital plates slightly narrowed towards apex ( Fig. 6 ); aedeagus shaft without spines or lamellae ( Figs 10, 11 ) ( Peru)...................................................................................... T. pachamama sp. nov.

- Subgenital plates strongly narrowed at the apical two-thirds ( Fig. 16 , Marques-Costa & Cavichioli 2008); aedeagus shaft with spines or lamellae ( Figs 19 ─21, Marques-Costa & Cavichioli 2008)............................................. 4

4 Subgenial plates with apices acute and oblique ( Fig. 16 , Marques-Costa & Cavichioli 2008); connective V-shaped ( Fig. 18 , Marques-Costa & Cavichioli 2008); aedeagus with two pairs of small spines on shaft, one lateral preapical and one ventroapical ( Figs 19 ─21, Marques-Costa & Cavichioli 2008); anal tube with basiventral processes straight and oriented ( Fig. 14 , Marques-Costa & Cavichioli 2008) ( Peru)............................ T. admirabilis Marques-Costa & Cavichioli 2008

- Subgenital plates with apices rounded ( Fig. 17 ); connective Y-shaped ( Fig. 19 ); aedeagus with two pairs of lamellae on shaft, one lateroventral and one laterodorsal preapical ( Figs 21, 22 ); anal tube with basiventral processes strongly curved posteriorly ( Fig. 16 ) ( Peru)....................................................................... T. viracocha sp. nov.

Figures

FIGURES 1 – 11. Tetralidia pachamama sp. nov., male holotype. 1, anterior portion of body, dorsal view. 2, head, frontal view. 3, anterior portion of body, lateral view. 4, forewing. 5, pygofer and anal tube, lateral view. 6, subgenital plates, ventral view. 7, subgenital plates, lateral view. 8, connective and styles, dorsal view. 9, style, lateral view. 10, aedeagus, lateral view. 11, apical portion of aedeagus, ventral view.

FIGURES 12 – 22. Tetralidia viracocha sp. nov., male holotype. 12, anterior portion of body, dorsal view. 13, head, frontal view. 14, anterior portion of body, lateral view. 15, forewing. 16, pygofer and anal tube, lateral view. 17, subgenital plates, ventral view. 18, subgenital plates, lateral view. 19, connective and styles, dorsal view. 20, style, lateral view. 21, aedeagus, lateral view. 22, apical portion of aedeagus, ventral view.