First Record of the Australian Genus Platyobria Taylor, 1987 from Europe and P
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Daniel Burckhardt et al., First record of the Australian genus Platyobria from Europe First record of the Australian genus Platyobria Taylor, 1987 from Europe and P. biemani sp. nov. as a potential pest of Eucalyptus (Myrtaceae) (Hemiptera: Psylloidea) ● Daniel Burckhardt, Dalva L. Queiroz & Igor Malenovský Taylor, 1985 [introduced into Europe, Abstract. Platyobria biemani sp. nov. Zusammenfassung. Die neue Blatt- Africa, Asia, New Zealand, North and (Aphalaridae, Spondyliaspidinae) is de- flohart Platyobria biemani sp. nov. South America], Cardiaspina fiscella scribed from the island of Lesbos (Aphalaridae, Spondyliaspidinae) wird Taylor, 1962 [New Zealand], Crypto- (Greece) based on a series of adult von einer Serie von Adulten beschrie- neossa triangula Taylor, 1990 [USA], specimens which were collected on a ben, die auf der Insel Lesbos (Griechen- Ctenarytaina eucalypti (Maskell, 1890) long-leaved Eucalyptus species. This is land) auf langblättrigen Eucalyptus ge- [Europe, Africa, Papua New Guinea, New a likely host as immatures of three of the sammelt wurden. Eucalyptus-Arten sind Zealand, North and South America], nine previously known species of Platy- wahrscheinlich ihre Wirtspflanzen, da C. spatulata Taylor, 1997 [Europe, New obria Taylor, 1987 develop on young sich drei der neun bisher beschriebenen Zealand, North and South America], succulent terminal branchlets or leaves Arten von Platyobria Taylor, 1987 auf Eucalyptolyma maideni Froggatt, 1901 of eucalypts. This is the first time that den frischen Trieben dieser Pflanzen- [USA] and Glycaspis brimblecombei Platyobria is recorded from outside Aus- gattung entwickeln. Dies ist der erste Moore, 1964 [Europe, Africa, North and tralia from where the new species prob- Fund von Platyobria außerhalb Aus- South America]). An eighth species, Cte- ably originates. Whereas Platyobria spe- traliens, woher die neue Art mit größter narytaina peregrina Hodkinson, 2007, cies do not seem to affect their hosts Wahrscheinlichkeit stammt. Während probably also originates from Australia but significantly in Australia, there is a po- Platyobria-Arten in Australien ihre Wir- has not yet been found there. It is known tential that in a new environment lack- te nicht maßgeblich zu beeinträchtigen only from Eire and Germany (Hodkinson ing specific parasitoids, P. biemani scheinen, besteht die Möglichkeit, dass 2007, Queiroz et al. 2012). sp. nov. may become a pest of eucalypts. sich P. biemani sp. nov. in der neuen Umgebung ohne spezifische Parasitoide Recently we received some psyllids from zu einem Eucalyptus-Schädling ent- the island of Lesbos (Greece) collected on wickelt. an unidentified, long-leaved eucalypt which turned out to be an undescribed Systematics, new species, introduction, pest species, Greece, Aus- Key words. Platyobria species. Here we record Platyo- tralia, Palaearctic Region, Australian Region, Eucalyptus, Sternorrhyncha, Spon- bria for the first time from Europe, de- dyliaspidinae. scribe the new species and discuss its po- tential as a pest of eucalypts. Introduction Material and methods Platyobria was erected by Taylor (1987) hardt & Ouvrard 2012) and more than The material examined is deposited in the for nine species of Australian jumping 300 species (Ouvrard 2013). It is almost Australian National Insect Collection, plant-lice. The immatures, as far as known, exclusively restricted to Australia and CSIRO, Canberra, Australia (ANIC), the develop on young succulent terminal most species develop on Myrtaceae with Muséum d’Histoire Naturelle, Genève, branchlets and leaves or induce shallow a large proportion (species of 19 genera) Switzerland (MHNG), the Moravian Mu- pit galls in young leaves of Eucalyptus spe- associated with eucalypts (Hollis 2004). seum, Brno, Czech Republic (MMBC), the cies (Myrtaceae) (Taylor 1987, Hollis Eucalypts occur naturally outside Aus- Naturhistorisches Museum, Basel, Swit- 2004). On the basis of immature charac- tralia only in New Guinea, Sulawesi, Min- zerland (NHMB) and the private collection ters Taylor (1987) assigned the genus to danao and some adjacent islands but of K. den Bieman, Ulvewnhout, The Neth- the Aphalaridae, Diaphorininae [= Livi- they are widely planted in suitable habi- erlands (KDBC). idae: Euphyllurinae: Diaphorinini sen- tats around the globe, e. g. for producing su Burckhardt & Ouvrard (2012)]. It cellulose, fibre, hardwood or fuel, or as Morphological terminology follows most- was later transferred by Burckhardt ornamental or shadow trees. It is, there- ly Ossiannilsson (1992) and Yang et al. (1991) to the Psyllidae: Spondyliaspidinae fore, not surprising that some of the Aus- (2009). Permanently slide-mounted spec- [= Aphalaridae: Spondyliaspidinae sensu tralian eucalypt psyllids have been intro- imens were used to prepare the drawings Burckhardt & Ouvrard (2012)]. duced into other countries where some of and take the measurements apart from the them became serious pests. Currently, body length which was taken from dry- The Spondyliaspidinae contains 24 nomi- seven Australian species are known from mounted specimens. nal genera (Burckhardt 1991, Burck- other continents (Blastopsylla occidentalis 109 Entomologische Zeitschrift · Schwanfeld · 124 (2) 2014 5 1 2 6 7 3 4 Figs 1–7. Platyobria biemani sp. nov. 1. Female, lateral view. 2. Female, dorsal view. 3. Head with antennae, dorsal view. 4. Hind leg, lateral view. 5. Forewing. 6. Surface spinules of forewing cell m1. 7. Eggs in female abdomen. Scale bars for 1, 2 = 0.3 mm; 3, 4 = 0.2 mm. Platyobria biemani sp. nov. 1 `, 1 ´): head width (HW) male 0.39 mm, straw-coloured (Figs 1, 2). Genal pro- female 0.46 mm; antenna length (AL) cesses whitish. Eyes grey, ocelli dull red. Holotype. `, Greece: Lesbos, Petra, village male 0.23 mm, female 0.24 mm; fore- Antennomeres I and II light yellow, flagel- edge, 27.VIII.2010, long-leaved Eucalyp- wing length (WL) male 0.88 mm, female lum straw-coloured, getting slightly dark- tus, leg. K. den Bieman (NHMB, dry- 1.14 mm; male proctiger length, proximal er towards the apex. Forewing semi-trans- mounted). segment 0.08 mm; male proctiger length, parent, membrane light yellow or straw- distal segment 0.08 mm; paramere length coloured, veins hardly darker. Hindwing Paratypes. 8 `, 7 ´, same data as holotype (KDBC, 0.16 mm; length of distal aedeagus seg- semi-transparent, whitish. Femora, tibiae MMBC, NHMB, 7 `, 6 ´ dry-mounted; 1 `, 1 ´ slide- mounted). ment 0.15 mm; female proctiger length and tarsi dirty whitish; metatibial and (FP) 0.26 mm. Relative measures. AL/HW metatarsal spurs black. Apex of female Etymology. The species is named after its 0.52–0.59; WL/HW 2.24–2.54; WL/fore- subgenital plate dark brown to black. collector Kees den Bieman. wing width 2.54–2.62; length ratio of forewing veins M/M1+2 0.58–0.89; length Head (Fig. 3) inclined in a 45–90° angle Description. Adult. Measurements. Body ratio of forewing veins Cu/Cu1b 0.49–0.52; from longitudinal body axis, slightly wid- length (measured in dry-mounted speci- cu1 cell value (length of vein Cu1b/distance er than mesothorax. Vertex flat, trapezoi- mens from anterior head margin to tip of between apices of veins Cu1a and Cu1b) dal, less than half as long as wide, lacking forewing when folded over the body; 8 `, 0.84–1.05; metatibia length/HW 0.41– macroscopic setae, evenly covered in fine 6 ´, range (mean±standard deviation)): 0.43; FP/HW 0.57; FP/circumanal ring microsculpture. Genal processes shorter ` 1.60–1.80 mm (1.69±0.06 mm), ´ 2.10– length 3.30; FP/female subgenital plate than wide at base, irregularly rounded api- 2.30 mm (2.20±0.06 mm). Measurements length 1.65. cally, touching basally, beset with moder- in mm and ratios of morphological details ately long setae of variable length. Median (taken from slide-mounted specimens; Coloration. General body colour yellow to ocellus completely covering frons, anteri- 110 Daniel Burckhardt et al., First record of the Australian genus Platyobria from Europe orly delimited by base of genal processes, posteriorly by vertex. Preocular sclerite forming prominent tubercule anteriorly, reaching lateral ocellus basally. Antenna very short, relative length of antennomer- es as 1.0 : 0.8 : 1.2 : 0.4 : 0.4 : 0.4 : 0.4 : 0.4 : 0.4 : 0.4; longer terminal seta longer than segment 10, strongly curved, shorter seta, very short, cylindrical, situated at the base of segment (Fig. 13). Clypeus round- ed, rostrum short. Thorax. Forewing (Fig. 5) slightly sexu- ally dimorphic, irregularly oval and rela- tively shorter in male and irregularly trap- ezoidal and relatively longer in female; irregularly narrowly rounded apically; apex at end of vein M1+2; vein C+Sc broad, cell c+sc short; costal break well devel- 8 oped; pterostigma broad and long, ending in apical fifth of forewing; veins R and 10 M+Cu very short, in male longer than in 9 female; branches of M very long, some- times weakly sinuous; branches of Cu much longer than stem, sinuous; wing membrane densely covered in surface spinules (Fig. 6), leaving narrow spinule- free stripes along the veins in basal half of wing. Hindwing slightly shorter than fore- wing, membranous, vein C+Sc with a basal group of three to seven densely 13 spaced, short setae and an adjacent distal group of four to six widely spaced, long, weakly curved setae; vein M+Cu devel- oped. Hind leg (Fig. 4) with posteriorly 11 12 angular coxa; metatibia about as long as metafemur, strongly expanding to apex, Figs 8–13. Platyobria biemani sp. nov. 8. Male terminalia, lateral view. 9. Inner face of paramere, with (one to two)+(two to three) small, lateral view. 10. Distal portion of aedeagus, lateral view. 11. Female terminalia, lateral view. apical metatibial spurs; metabasitarsus 12. Valvulae dorsalis and ventralis, lateral view. 13. Tenth antennal segment. subglobular, with one lateral sclerotised spur. long setae in apical half near caudal mar- ridges on the outer face; valvula dorsalis gin, lacking an anterobasal comb of black cuneate, curved, serrate dorsally in apical Abdomen. Male terminalia (Fig.