Trocnada alpina Evans
Creators: name: Dai, Wu
name: Dietrich, Christopher H.
Publisher: name: Zenodo
Year: 2012
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae
Trocnada
Trocnada alpina

description: Trocnada alpina Evans
Figs. 2 A – D, 4A – J, 8B, 8D, 8E
Trocnada alpina Evans, 1939: 47; 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 A, C). Forewing pale brown hyaline. Vein brown bordered with black spots (Fig. 2 A – D). Hind tibia pale yellow, external surface dark brown, base of spines black (Fig. 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 A, E – F). Style apophysis with apex attenuate (Fig. 4 F). Connective stem narrow, distinctly widened posteriorly (Fig. 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 C – D).
Female sternite VII with posterior emargination very shallow, concave (Fig. 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 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.
description: Published as part of Dai, Wu & Dietrich, Christopher H., 2012, Review of the Australian leafhopper genus Trocnada with notes on related genera (Hemiptera: Cicadellidae: Iassinae), pp. 53-66 in Zootaxa 3209 on pages 56-57, DOI: 10.5281/zenodo.212732