Eupteryx Curtis

Hou, Xiao-Jiao, Zhang, Ya-Lin & Huang, Min, 2016, A taxonomic study of the genus Eupteryx Curtis (Hemiptera: Cicadellidae: Typhlocybinae), with description of five new records and one new species from China, Zootaxa 4117 (4), pp. 591-599 : 593

Key to species of Eupteryx Curtis from China (males)

1. Pygofer side with various processes at hind margin; basal macroseta on subgenital plate shorter..... Eupteryx (Eupteryx) ...2

- Pygofer side without any process at hind margin; basal macroseta on subgenital plate longer.......... Eupteryx (Stacla) ...8

2. Aedeagal shaft with processes forked apically ( Figs 23, 24 )............................. E. (E.) stachydearum rec. nov.

- Aedeagal shaft with processes not forked apically............................................................ 3

3. Forewing with broad bands; pygofer processes thin; aedeagal shaft with apical processes slender, band-like, curved to base of shaft and crossed subapically............................................................... E. (E.) minuscula

- Forewing with small spots; pygofer processes thick; aedeagal shaft with apical processes slim, not band-like............. 4

4. Aedeagus with apical processes short and not exceeding half of shaft............................................. 5

- Aedeagus with apical processes long and exceeding to or over half of shaft........................................ 6

5. Body small, yellowish-white, patches small and light; aedeagus with apical processes extremely slim....... E. (E.) seiugata

- Body slender, yellowish-green, patches big and dark; aedeagus with apical processes slender.............. E. (E.) adspersa

6. Aedeagal shaft with apical processes extending to midlength of shaft................................ E. (E.) artemisiae

- Aedeagal shaft with apical processes extending basad of shaft midlength.......................................... 7

7. Forewing with spots inconspicuous; pygofer processes curved posterodorsad..................... E. (E.) undomarginata

- Forewing with spots conspicuous; pygofer processes curved anterodorsad......................... E. (E.) semipunctata

8. Aedeagal shaft with paired processes apically............................................................... 9

- Aedeagal shaft without any process apically............................................................... 10

9. Aedeagal shaft with one pair of processes elongate, slender, strongly recurved, and rugose apically ( Figs 17, 18 ).............................................................................................. E. (S.) janeki rec. nov.

- Aedeagal shaft with two pairs of processes, slender S-shaped ventral processes and Y-shaped dorsal processes apically ( Figs 40, 41, 42 )..................................................................... E. (S.) gracilivramus sp.nov.

10. Aedeagal shaft acute apically in lateral view................................................. E. (S.) pentavittatus

- Aedeagal shaft not acute apically in lateral view............................................................ 11

11. Forewing mottled with brown and pale markings throughout length; aedeagal shaft inflated apically in lateral view....... 12

- Forewing with abrupt transition between dark brown basal 2/3 and pale apical 1/3 ( Figs 4, 5 ); aedeagal shaft uninflated api- cally in lateral view ( Figs 21, 22 )..................................................... E. (S.) albonigra rec. nov.

12. Head and forewing with dark spots adjoined ( Figs 10, 11 ); lateral arms of connective long ( Fig. 29 ).. E. (S.) irminae rec. nov.

- Head and forewing with dark spots separated ( Figs 7, 8 ); lateral arms of connective very short ( Fig. 25 ).. E. (S.) hela rec. nov.

Figures

FIGURES 16 – 24. 16 – 18, Eupteryx (Stacla) janeki Dworakowska, (16, from Yunnan; 17, 18, after Dworakowska, 1969). 16, paramere, connective, subgenital plate, dorsal view; 17, aedeagus, posterior view; 18, aedeagus, lateral view. 19 – 22, Eupteryx (Stacla) albonigra Dworakowska, (19, 21, 22, after Dworakowska, 1994; 20, from Yunnan). 19, paramere, connective, subgenital plate and sternite IX, dorsal view; 20, anal hook; 21, aedeagus, posterior view; 22, aedeagus, lateral view. 23 – 24, Eupteryx stachydearum (Hardy), (after Dworakowska, 1982). 23, apex of aedeagus, posterior view; 24, aedeagus, lateral view.

FIGURES 33 – 42. Eupteryx (Stacla) gracilirama sp. nov. 33, habitus, dorsal view; 34, habitus, lateral view; 35, face of male; 36, male pygofer, lateral view; 37, hind margin of male pygofer, lateral view; 38, paramere, connective, subgenital plate and sternite IX, dorsal view; 39, paramere; 40, aedeagus, posterior view; 41, aedeagus, lateral view; 42, apical part of aedeagus, dorsal view.

FIGURES 1 – 15. 1 – 3, Eupteryx (Stacla) janeki Dworakowska. 1, habitus, dorsal view; 2, habitus, lateral view; 3, face of male; 4 - 6, Eupteryx (Stacla) albonigra Dworakowska. 4, habitus, dorsal view; 5, habitus, lateral view; 6, face of male; 7 – 9, Eupteryx (Stacla) hela Dworakowska. 7, habitus, dorsal view; 8, habitus, lateral view; 9, face of male; 10 – 12, Eupteryx (Stacla) irminae Dworakowska. 10, habitus, dorsal view; 11, habitus, lateral view; 12, face of male; 13 – 15, Eupteryx stachydearum (Hardy). 13, forewing; 14, hindwing; 15, anterior dorsum, lateral view.

FIGURES 25 – 32. 25 – 28, Eupteryx (Stacla) hela Dworakowska, (25, after Dworakowska, 1969; 26, from Yunnan; 27, 28, after Dworakowska). 25, paramere, connective, subgenital plate and sternite IX, dorsal view; 26, anal hook; 27, aedeagus, posterior view; 28, aedeagus, lateral view. 29 – 32, Eupteryx (Stacla) irminae Dworakowska (from Sichuan). 29, paramere, connective, subgenital plate and sternite IX, dorsal view; 30, anal hook; 31, aedeagus, posterior view; 32, aedeagus, lateral view.