Oliarus Stål sensu Emeljanov, 1862

Löcker, Birgit, Fletcher, Murray J., Larivière, Marie-Claude & Gurr, Geoff M., 2006, The Australian Pentastirini (Hemiptera: Fulgoromorpha: Cixiidae), Zootaxa 1290 (1290), pp. 1-138 : 22-23

Key to species of Oliarus Stål sensu Emeljanov

The following taxa are excluded from the identification key to species of Oliarus Stål , because no male genitalia were available for those species; they are therefore listed as nomina dubia: O. alexanor Kirkaldy , O. doddi Muir , O. kampaspe Kirkaldy , O. lilinoe Kirkaldy , O. phelia Kirkaldy , and O. talunia Kirkaldy.

1 Body length of male 8.7 mm or more; forewing with fork ScRA+RP basad of fork MA+MP; aedeagus in ventral view as in Fig. 35Q................ O. busoensis Van Stalle

­ Body length of male 7.7 mm or less; forewing with fork ScRA+RP distad of fork MA+MP; aedeagus in ventral view not as above ...................................................... 2

2(1) Genital styles with a large (rarely small) spinelike process directed dorsad as in Figs 32Q, 33D, H, R–S; aedeagus with one ventral and one dorsal spine and a ventral sclerotised flap (in O. lawlerorum indistinct) as in Figs 32N–O, 33E–F, P; forewing with 8 apical cells .......................................................... acanthopygophoris group…3

­ Genital styles without a spinelike process directed dorsad; aedeagus in ventral view not as above; forewing with 8–10 apical cells ........................................................... 5

3(2) Pygophore dorsolaterally with an outwardly curving, spinelike process on each side as in Fig. 32N; aedeagus ventrally with a large, sclerotised flap as in Fig. 32N–O; phallotheca with a long spine (b), protruding past the apex of phallotheca as in Fig. 32N–O........................................................... O. acanthopygophoris Löcker , sp. nov.

­ Pygophore without long, spinelike processes; phallotheca ventrally with a medium sized or reduced, sclerotised flap as in Figs 33E, P; phallotheca with a short spine (b), not protruding past the apex of phallotheca ........................................................ 4

4(3) Phallotheca with a long spine (a); spine (b) bifurcated ( Fig. 33F)............................... .......................................................................................... O. cuberlii Löcker , sp. nov.

­ Phallotheca with a short spine (a); spine (b) not bifurcated ( Fig. 33P)........................ .................................................................................... O. lawlerorum Löcker , sp. nov.

5(2) Phallotheca with a spine (a) arising right lateral near apex, passing phallotheca ventrally and crossing over to dorsal side apically as in Figs 34A, H............................... ................................................................................................... acuminatus group…6

­ Phallotheca without a spine curved as above described............................................. 7

6(5) Forewing with tubercles concolorous with veins ( Fig. 6E); vertex (total length) 2.9–3.9 times longer than wide ( Fig. 6F); face light brown ( Fig. 6H); anal tube in caudal view with a triangular process ( Fig. 34G); aedeagal spine (b) in ventral view without a large globular base ( Fig. 34A) ..................................... O. acuminatus Muir

­ Forewing with dark brown tubercles contrasting with light brown veins ( Fig. 7A); vertex (total length) 1.7–2.1 times longer than wide ( Fig. 7B); face dark brown to black with paler carinae ( Fig. 7D); anal tube in caudal view without a triangular process ( Fig. 34O); aedeagal spine (b) in ventral view with a large globular base ( Fig. 34H) ............................................................................... O. globosus Löcker , sp. nov.

7(5) Forewing with tubercles concolorous with veins; phallotheca with long strongly (spirally) curved spines ( Figs. 36D, M); body length 5.6 mm or more ..................... 8

­ Forewing with mid or dark brown tubercles contrasting with light brown veins; phallotheca without long strongly (spirally) curved spines; body length 5.3 mm or less .. ........................................................................................................... gracilis group...9

8(7) Phallotheca with two very long, strongly (spirally) curved spines (a, b) and a short, almost straight spine (c) as in Figs 36D–E; flagellum slightly sclerotised, one large spine on apex ............................................................... O. cochleatus Löcker , sp. nov.

­ Phallotheca with three long strongly (spirally) curved spines (a, b, c), without a short almost straight spine ( Figs 36M–N); flagellum membranous, unarmed. .................... ...................................................................................... O. trispiralis Löcker , sp. nov.

9(7) Phallotheca with three spines ( Fig. 35B–C) ..................... O. gracilis Löcker , sp. nov.

­ Phallotheca with two spines ( Figs 35D–E, P).......................................................... 10

10(9)Phallotheca with a very small, strongly curved, hookshaped spine (b) as in Figs 35D–E............................................................................. O. hamatus Löcker , sp. nov.

­ Phallotheca with a larger slightly curved spine (b) as in Fig. 35P............................... ......................................................................................... O. hirsutus Löcker , sp. nov.