Revision of the evacanthine leafhoppers (Hemiptera: Cicadellidae: Evacanthinae) of the Indian subcontinent
Author
Viraktamath, C. A.
Author
Webb, M. D.
text
Zootaxa
2018
2018-02-23
4386
1
1
78
journal article
30556
10.11646/zootaxa.4386.1.1
82826f47-5e43-4c17-a850-2575425f52ad
1175-5326
1195886
D1BEB7EE-2383-487B-A46D-3078A292552E
Key to genera of
Evacanthini
of the Indian subcontinent
(Modified from
Wang
et al
. 2015
; males only from couplet 8)
1 Head more than 3 times as long as dorsal distance between eyes (
Fig.
4 I
)............................
Vangama
Distant
- Head less than 2.75 times as long as dorsal distance between eyes (
Figs 4
AC)..................................... 2
2 Median carina of crown lamellate or on raised region (
Figs 32 B, 32 C
)........................................... 3
- Median carina of crown neither strongly raised nor lamellate (
Fig. 1B
)........................................... 5
3 Male pygofer with ventral process (
Fig. 14A
)................................................
Pythamus
Melichar
- Male pygofer without ventral process (
Fig. 21A
)............................................................. 4
4 Crown with median carina lamellate, not on elevated region (
Fig. 1N
); crown medially longer than distance between eyes (
Fig. 1M
)...................................................................................
Cunedda
Distant
- Crown with median carina not lamellate but on median ridge (
Figs 32B, 32C
); crown medially shorter than dorsal distance between eyes (
Figs 2 M
,
32 A
)...............................................................
Mainda
Distant
5 Claval veins fused medially for some distance then separated; crown 2.0–2.7 times as long medially as dorsal distance between eyes (
Fig. 4 C
).......................................................................
Striatanus
Li & Wang
- Claval veins separate; crown shorter than 2 times the dorsal distance between eyes (
Fig. 1 K
)......................... 6
6 Crown declivous anteriorly, frontoclypeus massive, projecting forwards compared to level of clypellus (
Figs 3 R
,
4 B
); carinae on crown forming a divided polygon with 5 or 6 sides anteriorly...............................
Risefronta
Li & Wang
- Crown not declivous anteriorly, frontoclypeus and clypellus at the same level or both forming singly smooth curve (3 L); ante- rior margin of head without such polygon.................................................................. 7
7 Disc of crown strongly concave, transverse carina indistinct on fore part of crown (
Fig. 1 K
); gena strongly incurved beneath eye (
Fig. 4 P
)................................................................
Concavocorona
Wang & Zhang
- Disc of crown not strongly concave, transverse carina distinct on fore part of crown (
Fig. 1 R
); gena not strongly incurved beneath eye (
Fig. 4 L
).................................................................................. 8
8 Male pygofer with ventral process (
Figs 14 A
,
24 A
).......................................................... 9
- Male pygofer without ventral process (34 A, 35 A)......................................................... 11
9 Male pygofer ventral process thin and long, greatly exceeding dorsal margin (
Fig. 14 A
)..................
Apphia
Distant
- Male pygofer ventral process thicker, shorter, either attaining or slightly exceeding dorsal margin (
Fig. 23 A
)............ 10
10 Head broadly rounded in front, crown with distinctly concave areas on either side of median carina on vertex (
Figs 1 Q, R
)............................................................................
Evacanthus
Le Peletier & Serville
- Head conically rounded in front, crown rather convex, without lateral concavities but with series of longitudinal rugae in distal half (
Figs 1 G, I
)......................................................................
Carinata
Li & Wang
11 Male pygofer with groups of stout setae on dorsal margin on posterior lobe (
Fig. 42A
)................
Taperus
Li & Wang
- Male pygofer without such setae......................................................................... 12
12 Crown with central large black spot and anterior median and one lateral smaller black spots on fore margin (
Figs 1 C
,
6 M
)..........................................................................................
Bundera
Distant
- Crown coloration different (
Figs 2 O Q
,
3 G K
)............................................................. 13
13 Aedeagal shaft without apical or subapical processes (
Fig. 33 E
,
34 E
).......................................... 14
- Aedeagal shaft with apical and subapical processes (
Figs 36 D
,
37 B
)............................
Onukindia
gen. nov
.
14 Aedeagus with shaft in lateral view, of uniform width,
3x
or more as long as wide near base (
Fig. 40 F
), dorsolateral lobe in posteroventral view wing-like (
Fig. 40 G
)..................................................
Shortcrowna
Li & Li
- Aedeagus with shaft in lateral view wide at apex, about
2x
as long as wide at base (
Fig. 34 H
), dorsolateral lobe in posteroven- tral view not wing-like (
Fig. 34 E
).........................................................
Onukia
Matsumura