A new genus and ten new species of jumping plant lice (Hemiptera: Triozidae) from Allocasuarina (Casuarinaceae) in Australia Author Taylor, Gary S. Author Jennings, John T. Author Purcell, Matthew F. Author Austin, Andy D. text Zootaxa 2011 3009 1 45 journal article 46929 10.5281/zenodo.278552 838af845-02e8-4e78-93f7-f1643e0e8b36 1175-5326 278552 Key to the triozid fauna of Casuarinaceae 1. Fore wings of female usually with dark markings [clear in species from New Caledonia ]; fore wings of male clear; anterior margin of vertex not overhanging genal processes; genal processes short conical, little-declined to longitudinal axis of body and visible from above; female proctiger short with a pair of lateral lobes; male parameres short, narrow, little curved to apex; nymphs broadly ovate, weakly sclerotised, typically ‘triozine’ in type ; host: Casuarina ................................................................................................ Casuarinicola Taylor [see Taylor et al . 2010 ] - Fore wings of female and male clear; anterior margin of vertex overhanging genal processes; genal processes moderate in length, produced ventrad to longitudinal axis of body; female proctiger short with rounded apex or with apical upturned process or hook; male parameres short, strongly curved to apex, long and thin ( Figs 94–95, 98 ) to short and wide ( Figs 131, 134 ); nymphs scale-like, usually strongly to moderately sclerotised; host: Allocasuarina .................................. 2 2. Rhinaria on antennal segments 4, 6 and 9; hind tibia without apical spurs, at most with a corona of setae; female proctiger short, with apex rounded (without an apical upturned process or hook) ( Figs 18 , 39 )… [ Aacanthocnema ]3 - Rhinaria on antennal segments 4, 6, 8 and 9; hind tibia with 2 inner and 1 outer apical spurs; female proctiger short, with an apical upturned process ( Figs 99, 102 ) or prominent hook ( Figs 96 , 135 ).............. [ Acanthocasuarina gen. nov. ]....8 3. Fore wings with brown infuscation along veins R+M+Cu, M, m1+2, m3+4, Cu, Cu1a, Cu1b and distal portion of Rs ( Figs 3 , 10–11 ).............................................................................................. 4 - Fore wings without brown infuscation (e.g., Figs 23–24 ), or at most with brown infuscation restricted to portion of vein Cu1a ( Figs 47–48 )......................................................................................... 5 4. Large species (for all parameters measured in Tables 1–3); antennal length proportional to head width long, AL:HW>1.5; fore wings long, WL:WW>3.0; host: Allocasuarina tolulosa ; distribution: coastal, subcoastal eastern Australia .......................................................................................... Aa. burckhardti Taylor , sp. nov. - Smaller species (for all parameters measured in Tables 1–3); antennae shorter, AL:HW <1.5; fore wings short, WL:WW <3.0; host: Allocasuarina distyla ; distribution: coastal, subcoastal south-eastern Australia , Tasmania.... Aa. casuarinae (Froggatt) 5. Head narrow, < 0.70 mm , distinctly narrower than mesoscutum; male parameres strongly curved inward with flattened, bladelike apices ( Fig. 64 ); host: A. torulosa ; distribution: coastal, subcoastal eastern Australia ...... Aa. torulosae Taylor sp. nov. - Head moderate to wide,> 0.70 mm , equal to or wider than mesonotum; male parameres strongly curved inward with rounded, horn-shaped apices ( Figs 38, 41 , 61 )...................................................................... 6 6. Head very wide,> 0.80 mm ; vertex very short and wide (VL:HW <0.35; AL:HW <1.20); anterior edge of vertex rather flat when viewed from dorsal aspect ( Figs 29–30 ); host: A. huegeliana ; distribution: subcoastal, inland Western Australia ................................................................................. Aa. huegelianae Taylor sp. nov. - Head moderately wide, ≤ 0.80 mm ; vertex long and narrow (VL:HW>0.35; AL:HW>1.20); anterior edge of vertex distinctly curved when viewed from dorsal aspect ( Figs 19–20 , 43–44 , 51–52 )............................................. 7 7. Basal half of adult fore wing vein Cu1a with brown infuscation ( Figs 47–48 ); male parameres with basal lobe ( Fig. 61 ); host: A. luehmannii ; distribution: inland eastern Australia .................................. Aa. luehmannii Taylor sp. nov. - Basal half of adult fore wing vein Cu1a without infuscation; basal portion of male parameres more or less parallel-sided when viewed from lateral aspect, without basal swelling ( Fig. 38 ); host: A. verticillata ; distribution: southern Australia , Tasmania.................................................................................... Aa. dobsoni (Froggatt) 8. Vertex short and wide (VL:VW <0.60) (Table 4)............................................................ 9 -. Vertex moderately long and wide (VL:VW>0.65).......................................................... 10 9. Male terminalia as in Fig. 93 ; male parameres long, thin, 0.25–0.27 mm ( Figs 94–95 ); dorso-posterior margin of female proctiger angled when viewed from lateral aspect; proctiger with a prominent sharply-upturned apical hook ( Fig. 96 ); host: A. acutivalvis ; distribution: subcoastal, inland Western Australia ................................... Ac. acutivalvis sp. nov. - Male terminalia as in Fig. 97 ; male parameres moderately long, thin, 0.23–0.25 mm ( Fig. 98 ); dorso-posterior margin of female proctiger evenly curved when viewed from lateral aspect; proctiger with less prominent upturned apical process ( Fig. 99 ); host: A. campestris ; distribution: subcoastal, inland Western Australia ...................... Ac. campestris sp. nov. 10. Cu1 cell value <1.00 ( Table 5 ).......................................................................... 11 - Cu1 cell value>1.15.................................................................................. 12 11. Male parameres short, parallel-sided when viewed from lateral aspect ( Fig. 131 ); dorso-posterior margin of female proctiger moderately curved when viewed from lateral aspect; proctiger with a less prominent upturned apical process ( Fig. 132 ); host: A. (?) littoralis ; distribution: Tasmania.................................................... Ac. tasmanica sp. nov. - Male parameres short, with prominent posterior lobe when viewed from lateral aspect, ( Fig. 134 ); dorso-posterior margin of female proctiger angled when viewed from lateral aspect; proctiger with a prominent sharply-upturned apical hook ( Fig. 135 ); host: A. verticillata ; distribution: southern Australia , Tasmania.............................. Ac. verticillatae sp. nov. 12. Male parameres moderately long, pyriform, 0.18–0.21 mm ( Fig. 101 ); dorso-posterior margin of female proctiger evenly curved to apex when viewed from lateral aspect ( Fig. 102 ); host: A. diminuta ; distribution: central New South Wales .......................................................................................... Ac. diminutae sp. nov. - Male parameres moderately long, thin, 0.21–0.23 mm ( Fig. 128 ); lateral profile of proctiger rather flat dorsally, angling more abruptly to apex when viewed from lateral aspect ( Fig. 129 ); host: A. muelleriana ; distribution: southern South Australia .................................................................................... Ac. muellerianae sp. nov.