Trocnada alpina Evans

Dai, Wu & Dietrich, Christopher H., 2012, Review of the Australian leafhopper genus Trocnada with notes on related genera (Hemiptera: Cicadellidae: Iassinae), Zootaxa 3209, pp. 53-66 : 56-57

publication ID	https://doi.org/ 10.5281/zenodo.212732
DOI	https://doi.org/10.5281/zenodo.6172449
persistent identifier	https://treatment.plazi.org/id/313787CE-D732-6E55-DDF4-946EFACDFB42
treatment provided by	Plazi
scientific name	Trocnada alpina Evans
status

Treatment

Trocnada alpina Evans View in CoL

Figs. 2 View FIGURE 2 A – D, 4A – J, 8B, 8D, 8E

Trocnada alpina Evans, 1939: 47 View in CoL ; Evans, 1966: 208.

Description. Body length (including tegmen): male: 6.1 – 7.2mm, female: 7.6 – 9.0mm

Face with maxillary plates and lora pale grey, fronto-clypeus pale yellow. Crown pale yellow with red and black spots. Pronotum yellowish-grey with black and pink spots. Scutellum yellow with black markings ( Fig. 2 View FIGURE 2 A, C). Forewing pale brown hyaline. Vein brown bordered with black spots ( Fig. 2 View FIGURE 2 A – D). Hind tibia pale yellow, external surface dark brown, base of spines black ( Fig. 2 View FIGURE 2 B, D).

Hind femur macrosetae 2+2 with antepenultimate seta as large as others; tibial rows PD, AD, and AV with 18, 9, and 13 macrosetae, respectively.

Male pygofer ventral process with ventral lobe truncate, anterior and posterior angles subequal in size ( Fig. 4 View FIGURE 4 A, E – F). Style apophysis with apex attenuate ( Fig. 4 View FIGURE 4 F). Connective stem narrow, distinctly widened posteriorly ( Fig. 4 View FIGURE 4 J). Aedeagus broad at base, narrowed distally, curved dorsally in lateral view, preatrium short; shaft with pair of slender processes distad of gonopore curved anteriorly, apex tapered in lateral and posterior views; pair of ventrolateral processes arising 1/4 distance from apex and extended to but not beyond gonopore ( Fig. 4 View FIGURE 4 C – D).

Female sternite VII with posterior emargination very shallow, concave ( Fig. 8 View FIGURE 8 B). Second valvulae slightly less elongate compared to those of T. dorsigera ; distal section of blades minutely serrate longer than distance between two prominent teeth, dorsal margin between teeth evenly concave ( Fig. 8 View FIGURE 8 G).

Material examined. Australia: Australian Capital Territory: 23, 5Ƥ, Mt Gingera, 35.34S, 148.47E, 23 Feb. 1984, A. Calder & M. Stevens. New South Wales: 1Ƥ, Nelson Bay, 12 Nov. 1960, I.F.B. Common & M.S. Upton; 1Ƥ, Bateman’s Bay, 22 Jan. 1963, I.F.B. Common & M.S. Upton; 1Ƥ, 4miles SW. of Gosford, 30 Mar. 1965, I.F.B. Common & M.S. Upton; 1Ƥ, Wauchope, (31.27S, 152.44E) 72km, W. on Oxley Highway, 4. Jan. 1970, wet sclerophyll, at light, Britton, Holloway, Misko; 1Ƥ, Dainers Gap, 36.12S, 148.43E, 14 Feb. 1973, P. Morrow; 13, Mebbin St., 18km W of Uki, 23-24 Nov. 1982 J. Doyen (ANIC). Queensland: 13, 1Ƥ, Lot 22 Mt. Berryman, Rd. Laidley, 3 Nov. 1990. at light, W. F. Chamberlain; 13, Paluma Dam, 9 Nov. 1990, at light, W.F. Chamberlain (INHS). 1Ƥ, 11 miles NW of Paluma, 2000ft. 16 Apr. 1969, I.F.B. Common, & M.S. Upton; 1Ƥ, 9 miles W of Paluma, 2000ft. 16 Apr. 1969, I.F.B. Common, & M.S. Upton; 23, 2Ƥ, 15.29S, 145.16E., Mt. Cook Nat Pk., 11-12 Oct. 1980, T. Weir; 1Ƥ, Funnel Ck., 21.47S 148.55E, 12 Dec. 1968, at light, Britton & Misko; 13, NW Bowen, 15mls, 30 Sep. 1950, E F Riek; 1Ƥ, Indooroopilly, 20 Apr. 1930, A.A. Girault, H. Hacker, C.J. Drake; 1Ƥ, Deepdene, Karridale, 17 Jan. 1967, M. S. Upton; 13, Karridale, Deep Dene, 19 Jan. 1963, L. M. O’Halloran (ANIC).

Distribution. Australian Capital Territory, New South Wales, Queensland, Victoria, Western Australia.

Recorded host plant. Eucalyptus pauciflora

Remarks. Trocnada alpina was described from Alpine Creek, Mt Kosciusko, based on one male specimen.