Anoeconeossa bundoorensis Taylor and Burckhardt

Taylor, Gary S., Farnier, Kevin, Burckhardt, Daniel & Steinbauer, Martin J., 2013, Anoeconeossa bundoorensis sp. n., a new psyllid (Hemiptera: Psylloidea) from Eucalyptus camaldulensis (Myrtaceae) from Southeast Australia, Zootaxa 3609 (3), pp. 351-359 : 353-354

Anoeconeossa bundoorensis Taylor and Burckhardt , sp. n.

( Figs 1–18 ; Tables 1–5)

Material examined. Holotype 3 (dried): Australia: Victoria: La Trobe University, Bundoora Campus, S 31°43.060’, E 145°02.690’, K. Farnier & M.J. Steinbauer, 21.v.2012, Eucalyptus camaldulensis (ANIC).

Paratypes. Australia: Victoria: 6 3, 6 Ƥ (slide), 3 3, 4 Ƥ (dried), 3 Ƥ (ethanol), same data as holotype (ANIC, MVMA, WINC); 1 3, 1 Ƥ (slide), 5 3, 5 Ƥ (dried), 14 3, 20 Ƥ (ethanol), same data as holotype but 2.vii.2012 (ANIC, MHNG, NHMB, NHML); 1 Ƥ, 1 nymph (ethanol) La Trobe University, Bundoora Campus, S 31°43.105’, E 145°02.805’, M.J. Steinbauer & K. Farnier, 1.vi.2012, Zoology glasshouse culture on E. camaldulensis (WINC); 12 nymphs (on 3 slides) same data (ANIC, MVMA, WINC).

Description. Adult ( Figs 1–14, 18 ). Coloration. Male: Vertex pale yellow; genal processes paler yellow with lateral grey-brown infuscation; eyes reddish-brown; antennal segments 1 and 2 pale yellow with light grey-brown infuscation, 3 pale yellow, 4–8 pale yellow with light infuscation, 9–10 dark brown to almost black; pronotum yellow with a pair of brown lateral markings; mesopraescutum yellow with a pale grey apical medial marking; mesonotum yellow; metanotum paler with grey infuscation; fore wings clear at base, gradually getting yellowish towards apex, rarely with indistinct grey infuscation in apical half of cell r2; hind wings clear; legs pale yellow; femur and tibia with pale grey infuscation; metacoxae with medial dark grey marking; abdominal tergites yellow with grey transverse infuscation on posterior margins; sternites pale yellow with transverse grey bands; proctiger yellow with grey infuscation on anterior face; subgenital plate with grey infuscation laterally; parameres and aedeagus pale yellow. Female: as for male except with generally darker grey infuscation; pronotum with two pairs of brown lateral markings; mesopraescutum with dark grey apical medial marking; fore wings with indistinct grey infuscation always present, darker and more extensive, present in apical half of cell r2, contiguous with apical portion of cell r1, proximal portion of cell m1 and mid-cell m2; medial marking on metacoxae dark grey to black; abdominal tergites and sternites with transverse dark grey to black bands; proctiger dark grey-brown to black; subgenital plate pale yellow with antero-lateral margin dark grey to black.

Structure. Body elongate ( Figs 1–4 ). Head ( Figs 7–8 ) deflexed in about 45° from longitudinal axis of body; vertex flat, subtrapezoidal, 0.74–0.78 times as long as wide; genal processes 0.36–0.44 as long as vertex, truncate, narrowly separated at base, very little deflexed from vertex; preocular sclerite forming small tubercle anteriorly; antenna short, 1.06–1.13 times longer than width of head, with a single subapical rhinarium on each of segments 4, 6, 8 and 9; rhinarium on segment 9 associated with a moderately long, curved seta; segment 10 with one long curved apical setae, which is about as long as segment 10, and a very short truncate subapical seta. Fore wing ( Figs 5–6 ) 3.39–4.02 times as long as head width, 2.65–2.85 times as long as wide, oblong-oval, widest in about apical quarter, with irregularly, narrowly rounded apex; pterostigma very long, narrow, broadest at base, parallel-sided up to the middle; costal break present; vein C+Sc evenly curved, cell c+sc narrowly elliptic; vein Rs strongly curved in distal half to terminate near wing apex; vein M long, vein M1+2 0.56–0.68 times as long as vein M; veins M1+2 and M3+4 long, narrowly diverging with corresponding high m1 cell value: 2.44–2.86; veins Cu1a long, arched and Cu1b short, each widely divergent with corresponding high cu1 cell value: 3.33–4.18; surface spinules present in all cells, leaving narrow spinule-free stripes along the veins, relatively densely spaced forming irregular rhombi; metacoxa without meracanthus; metatibia 0.77–0.85 times as long as head width, longer than metafemur, with 2+1+2 sclerotised apical spurs; metabasitarsus with 2 small lateral sclerotised spurs. Male terminalia ( Figs 9–13 ) with bipartite proctiger 0.60–0.65 times as long as head width, apical segment of proctiger ( Fig. 9 ) about half as long as anterior face of basal segment; dorso-lateral processes of basal segment of proctiger membranous, irregularly rounded, a little shorter than apical segment; subgenital plate irregularly globular in profile, with sinuate dorsal and weakly curved ventral margins, laterally bearing a few short setae, ventrally several moderately long setae and terminally a pair of long setae; paramere ( Figs 10–11 ) strongly re-curved with an inner basal lobe associated with a prominent setose postero-basal expansion, a small inwardly projecting pointed process (spine) at apical third, a row of regularly spaced short dorso-apical setae from the hook-like process to apex and a prominent apical seta; basal segment of aedeagus strongly curved; distal portion of aedeagus ( Fig. 12 ) thin with slight anterior angulation little less than mid-length and with oval apical expansion; sclerotised end tube of ductus ejaculatorius short, weakly curved. Female terminalia ( Fig. 14 ) short; proctiger 0.58–0.66 as long as head width, 2.19–2.29 as circumanal ring and 1.94–2.29 as subgenital plate, respectively; proctiger with truncate basal portion, concave dorsal margin and conoid apex; posterior margin of basal portion and conoid apex beset with long setae; circumanal pore ring sinuate consisting of two unequal rows of pores; subgenital plate short, ventral margin in profile angular, covered in long setae apically; valvulae dorsalis cuneate, saw-shaped apically; valvulae ventralis moderately curved lacking apical teeth; valvulae lateralis broadly rounded.

Measurements in mm (4 3, 4 Ƥ): body length (vertex to terminalia) 3 1.38–1.69, Ƥ 1.55–2.41; body length (vertex to apex of folded wings) 3 2.24–2.55, Ƥ 2.66–3.21; head width 3 0.53–0.54, Ƥ 0.60–0.61; antenna length 3 0.57–0.60, Ƥ 0.65–0.68; length of first antennal flagellomere 3 0.16–0.18, Ƥ 0.18–0.19; fore wing length 3 1.83–1.97, Ƥ 2.31–2.45; length of vein Rs 3 1.25–1.40, Ƥ 1.63–1.75; length of vein M 3 0.74–0.88, Ƥ 0.93–0.96; length of vein M1+2 3 0.44–0.49, Ƥ 0.60–0.65; marginal width of cell m1 3 0.17–0.18, Ƥ 0.21–0.24; marginal width of cell cu1 3 0.46–0.49, Ƥ 0.58–0.63; length of vein Cu1b 3 0.11–0.12, Ƥ 0.16–0.18; metatibia length 3 0.42–0.46, Ƥ 0.47–0.51; 3 proctiger length 0.32–0.35; paramere length 0.26–0.27; length of proximal aedeagal segment 0.25–0.26; length of distal aedeagal segment 0.17–0.18; Ƥ proctiger length 0.35–0.40; Ƥ circumanal ring length 0.16–0.18; Ƥ subgenital plate length 0.17–0.19.

Fifth instar nymph ( Figs 15–16 ). Coloration. Antennal segments 1–2 dark grey, 3–6 pale grey, 7–9 dark grey; compound eyes red; body pale yellowish-white with sclerites on head, thorax, wing buds, anterior abdominal tergites and abdominal sternites dark grey; caudal plate darker, dark grey to almost black; mycetome pale orange, visible in basal half of abdomen.

Structure. Body elongate, antenna 9-segmented, a single rhinarium on each of segments 3, 5, 7 and 8; forewing pad elongate-ovate; tarsal arolium very small, at most a third as long as claws, membranous, lacking pedicel and unguitractor; caudal plate ( Fig. 16 ) broader than long, posterior margin rounded; circumanal ring terminal, small, consisting of a single row of pores; caudal plate with additional semiquadrate pore fields comprising groups of regularly arranged 8 pores each, with pore fields arranged in two irregular half circles on either side; caudal plate with lanceolate marginal setae forming three irregular groups with about 2–4 in basal third, about 4–6 mid-length and about 8 lateral to circumanal ring.

Measurements in mm (4 nymphs): antenna length (AL) 0.44–0.47; head width (HW) 0.53–0.56; body length (BL) 1.90–2.07; body width (BW) 0.93–1.03; forewing pad length (WL) 0.56–0.63; caudal plate length (CPL) 0.37–0.40; caudal plate width (CPW) 0.58–0.68; circumanal ring width (CPRW) 0.06–0.08. Ratios: AL:HW 0.79–0.87; AL:WL 0.72–0.79; HW:BL 0.27–0.28; BL:BW 2.01–2.12; CPL:CPW 0.57–0.64; CPRW:CPW 0.10–0.12.

Etymology. Named after the type locality Bundoora.

Figures

FIGURES 1 – 8. Anoeconeossa bundoorensis sp. n. (1), habitus, male (dorsal aspect); (2), habitus, female (dorsal aspect); (3), habitus male (lateral aspect); (4), habitus female (lateral aspect); (5), fore wing, male; (6), fore wing, female; (7), head, male (dorsal aspect); (8) head, female (dorsal aspect). Scale = 0.5 mm.

FIGURES 9 – 12. Anoeconeossa bundoorensis sp. n. (9), male proctiger (lateral aspect), with detail of membranous portion of lateral expansions; (10), paramere (inner face, lateral aspect); (11), paramere (outer face, lateral aspect); (12), distal segment of aedeagus (lateral aspect), with detail of distal bulb and ductus ejaculatorius. Scale = 0.1 mm.

FIGURES 13 – 18. Anoeconeossa bundoorensis sp. n. (13), male terminalia (lateral aspect); (14), female terminalia; (15), fifth instar nymph (dorsal aspect); (16), caudal plate of fifth instar nymph (dorsal aspect); (17) aggregation of nymphs on host leaf (dorsal aspect); (18), adults in copulation (lateral aspect). Scale = 0.5 mm for Figs 13 – 16.