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New genus and species of fig-inhabiting Leucophoropterini (Heteroptera: Miridae: Phylinae) from Australia PDF

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Preview New genus and species of fig-inhabiting Leucophoropterini (Heteroptera: Miridae: Phylinae) from Australia

Russian Entomol. J. 15(2):227–232 © RUSSIAN ENTOMOLOGICAL JOURNAL, 2006 New genus and species of fig-inhabiting Leucophoropterini (Heteroptera: Miridae: Phylinae) from Australia Íîâûé âèä è íîâûé ðîä Leucophoropterini (Heteroptera: Miridae: Phylinae), îáèòàþùèé íà ôèãîâûõ äåðåâüÿõ Àâñòðàëèè Christiane Weirauch Ê. Âåéðàóõ Postdoctoral fellow, Division of Invertebrate Zoology, American Museum of Natural History. E-mail: [email protected] Postdoctoral fellow, Отдел зоологии беспозвоночных Американского музея естественной. KEY WORDS. Miridae, Phylinae, Leucophoropterini, new genus, new species, Australia. КЛЮЧЕВЫЕ СЛОВА. Miridae, Phylinae, Leucophoropterini,н овый род, новый вид, Австралия. ABSTRACT. Dilatops fici, a new genus and new Bar code labels, which uniquely identify each spec- species of Leucophoropterini Schuh, from Australia are imen (“unique specimen identifiers” or “USIs”), were described. This species differs from other Leucophorop- attached to the specimens. Additional specimen infor- terini by the absence of ant-mimetic features, the large mation can be obtained from the website of the Plane- size, the unique formation of the short head with pedun- tary Biodiversity Project on Plant Bugs [http:// culate eyes, and the reddish orange, orange, cream, and research.amnh.org/pbi/index.html]. purple coloration. Dilatops fici sp.n. is known from the Habitus photographs, illustrations of male and fe- Australian east coast, where it occurs in New South male genitalia, and scanning electron micrographs Wales and Queensland on species ofF icus (Moraceae). (SEMs) of habitus, head and prothorax, evaporatory area, pretarsus, and vestiture on the corium are provid- РЕЗЮМЕ. Описан новый вид и новый род ed. Appendix 1 shows the USI for the given illustration. Leucophoropterini Schuh, 1974и з Австралии. Dilatops Unless otherwise stated, measurements are in milli- fici, новый род и новый вид, отличается от других metres and scales on the illustrations are in micrometers. Leucophoropteriniо тсутствием мимикрии под муравь- The map of host plants is derived from data at the ёв, большими размерами, уникальным строением ко- website of Australia’s Virtual Herbarium [http:// роткой головы с расположенными на стебельках глаза- www.cpbr.gov.au/avh/] and consists of 1122 records. ми, красновато-оранжевой, кремовой и пурпурной This paper is dedicated to Izyaslav Moiseevich окраской. Dilatops ficis p.n. известен с западного побе- Kerzhner in recognition for his inestimable contribution режья Австралии, где встречается в штатах Новый to hemipterology. Южный Уэльс и Квинсленд на Ficus spp. (Moraceae). Dilatops Weirauch, gen. n. Figs 1–21. Introduction Type species: Dilatops fici Weirauch, sp.n. DIAGNOSIS. Recognized among Leucophoropterini by A limited number of genera and species of Phylinae the large size (mean total length, male: 4.33 mm, female: 5.1 (Heteroptera: Miridae) are known from Australia and mm) and stout, ovoid body, absence of ant-mimetic features, adjacent regions [Cassis & Gross 1995]. Carvalho & the very short and broad head with pedunculate eyes that are Gross [1982] and the extensive fieldwork conducted by wider than the pronotal width (Figs 1, 10–13), rather short R. T. Schuh and G. Cassis over the past decade show and dense, subadpressed vestiture, the reddish orange, or- that the paucity of described Australian species is a ange, cream, and purple coloration, the S-shaped vesica with result of limited sampling of this fauna rather than its long and straight base, and slender and tapering apex (Fig. 2), true diversity. Examination of material from the Schuh left paramere with distinct dorsal lobe on body (Figs 5, 6), and right paramere with curved apex (Fig. 4). Most similar and Cassis collecting trips between 1995 and 2002 and among Leucophoropterini to Lasiolabops Poppius due to of previously collected material on loan from several the large size, short and wide head, antennal segment one institutions allows the prediction that more than 300 stout, segment two long, tubular, and slightly curved, the species of Phylinae await description. The genus and short labium, the similar shape of the denticles on the ventral species described in this paper represent the first steps claw surface, and the spinelike setae ventrally on the pygo- into this largely unknown fauna. phore. Dilatops gen. n. is distinguished from Lasiolabops by 228 Christiane Weirauch # $ Fig. 1. Habitus of Dilatops fici sp.n. Ðèñ. 1. Âíåøíèé âèä Dilatops fici sp.n. the head including eyes wider than pronotum, absence of tion, and darker than the longer setae (black asterisk). STRUC- flattened, transversely grooved setae, parempodia with acute TURE: Head (Figs 1, 10–13): Short; vertex very wide, vertex apex, male and female genitalia, and the bright reddish, or- and gena extended into peduncle, which carries eyes; maxillary ange, cream, and purple coloration. and mandibular plates small; clypeus flat; posterior margin of DESCRIPTION. Male: Macropterous, large and stout, head concave and with carina that diminishes toward eye; eye ovoid, with short pronotum, very short and broad head, and almost globular, size moderate; antenna with first segment slender legs (Figs 1, 10–13). COLORATION: General colora- short and stout, narrow at base, second segment long, tubular tion reddish orange, orange, cream, light brown, and purple. and slightly curved, third and fourth segments short and slen- Head: Cream colored or pale orange with purple marks on der; labium short, moderately stout, barely surpassing apex of vertex, posterior surface of head bright orange, reddish orange fore coxa. Thorax (Figs 1, 10–17): Pronotum short and broad, marks dorsal to antennifer, dorsal to clypeus, and on ventral with rounded posterior lateral angles, posterior margin slightly margin of mandibular plate; antenna cream colored; labium concave, anterior and posterior lobe weakly demarcated by orange with distal segment apically suffused with brown. shallow transverse impression, calli weakly defined; Thorax: Pronotum cream colored or pale orange, with trans- mesepimeron with narrow and elongate area with evaporative verse purple band across dividing line of anterior and posterior bodies anterior to spiracle; metapleural evaporatorium large, lobe and orange band on anterior margin of posterior lobe; peritreme almost circular. Legs (Figs 15–17): Slender, claws mesoscutum orange; scutellum whitish with paramedian longi- moderately stout, curved, frontal claw surface with narrow tudinal reddish orange stripes; propleuron orange with faint groove extending to tip of claw, ventral claw surface with row purple suffusion and dorsal and ventral margin cream colored; of about six denticles, pulvillus shallow, extending to about mesopleuron orange with purple suffusion and anterodorsal middle of claw, parempodia slender and tapering toward apex, area cream colored; metapleuron orange with cream colored dorsomedian sensillum distinct. Hemelytra: Slightly convex, evaporatorium of metathoracic gland and evaporative bodies cuneus elongate and cone-shaped due to oblique costal frac- surrounding mesothoracic spiracle. Legs: Pale orange with ture. Abdomen (Fig. 19): Relatively broad and stout. GENI- femora sometimes suffused with orange, tarsi suffused with TALIA (Figs 2–6, 19): Pygophore (Fig. 19): Size moderate, light brown. Hemelytra: Reddish orange with more brownish more than 1/3 of abdomen, tapering gradually, ventral surface and orange transverse (in extended wing) bands along costal subapically with group of 15 to 20 erect, spinelike setae on left margin, medial fracture, posterior margin of endocorium, and side. Parameres (Figs 4–6): Right paramere broad lanceolate, posterior margin of clavus; membrane pale with several large with elongate, gradually tapering, curved apex (Fig. 4); left dark brown marks, anterior cell (in extended wing) bordered by paramere with anterior process straight and pointed, moder- orange vein, posterior cell by brown vein. Abdomen: Center of ately long, posterior process slender, slightly curving ventral- abdominal sternites orange, lateral margin with two longitudi- ly, rather long, body of paramere extended into lateral and nal bands, lateral band cream colored, median band red; pygo- dorsal lobe (Figs 5, 6). Phallotheca (Fig. 3): Apical half lightly phore ventrally orange, laterally and dorsally suffused with sclerotized, slender, straight, and elongate, apex gradually ta- brown. SURFACE AND VESTITURE (Fig. 18): Dorsum and pering and with row of lateral spicules, basal half with sclero- hemelytra furnished densely with two types of simple, de- tized strap, subapical opening in ventral position and slit-like. cumbent, subadpressed, golden setae, the shorter setae (white Vesica (Fig. 2): S-shaped, with long, almost straight basal asterisk) slightly more erect, more flattened, with finer stria- portion, base lightly sclerotized, dorsal sclerotized strap ap- New genus and species of fig-inhabiting Leucophoropterini from Australia 229 3 2 7 5 4 9 6 8 Figs 2–9. Male and female genitalia of Dilatops fici sp.n.: 2 — vesica in lateral view from left; 3 — phallotheca in posterolateral view; 4 — right paramere in dorsolateral view; 5 — left paramere in anterolateral view; 6 — left paramere in dorsal view; 7 — female internal genitalia, showing bursa copulatrix and associated structures in dorsal view; 8 — posterior wall in dorsal view; 9 — valvifers 1 and vestibulum in ventral view. Ðèñ. 2–9. Ãåíèòàëèè ñàìöà è ñàìêè Dilatops fici sp.n.: 2 — âåçèêà, ñëåâà; 3 — ôàëëîòåêà, ïîñòåðîëàòåðàëüíî; 4 — ïðàâûé ïàðàìåð, äîðñîëàòåðàëüíî; 5 — ëåâûé ïàðàìåð, àíòåðîëàòåðàëüíî; 6 — ëåâûé ïàðàìåð, äîðñàëüíî; 7 — âíóòðåííèå ñòðóêòóðû ãåíèòàëèé ñàìêè, ïîêàçàíà êîïóëÿòèâíàÿ ñóìêà è àññîöèèðîâàííûå ñòðóêòóðû, äîðñàëüíî; 8 — çàäíÿÿ ñòåíêà, äîðñàëüíî; 9 — âàëüâèôåðû 1 è âåñòèáóëþì, âåíòðàëüíî. pearing in apical half of vesica and forming single, elongate, and late eyes, which make the head wider than the pronotum, and acute apical spine, dorsal strap covering part of secondary bright coloration. The placement of this taxon in the Leuco- gonopore, very short ventral strap in ventral and basal position phoropterini is tentative as it does not possess the three to secondary gonopore, secondary gonopore subapical, large diagnostic characters of the tribe [Schuh, 1984]: small pygo- and elliptical, opening dextro-terminal, without ornamentation phore and genitalia, indistinct secondary gonopore, and C-or or distinct gonopore sclerite. J-shaped vesica. However, Dilatops gen.n.closely resembles Female (Figs 1, 7–9): Coloration as in male, larger than Lasiolabops, which is placed in a polytomy with Tytthus and male (Fig. 1, table1). Structure as in male, but with second part of Sejanus at the base of Leucophoropterini [Schuh, antennal segment more slender. Dorsal labiate plate with 1984]. Dissections of unidentified species of Lasiolabops paired sclerotizations representing sclerotized rings and ex- from Ghana, reveal similarities with Dilatops gen.n., with tending onto seminal depository as an unpaired median strap, both genera having similar male genitalia, being moderate in additional sclerotized loops in lateral position on seminal size rather than small. A row of denticles on the ventral claw depository (Fig. 7), vestibulum indistinct, valvifers 1 well surface that was mentioned as a diagnostic character for the developed (Fig. 9), posterior wall membranous with roughly genus Lasiolabops [Schuh, 1984] is also present in Dilatops symmetrical paired elongate oval sclerites and small median fici sp.n.. A row of denticles or ridges is present in the same sclerite (Fig. 8). position in all species of Leucophoropterini for which SEMs ETYMOLOGY. From Latin verb “dilato, -are” meaning were provided by Schuh [1984], with the exception of Tyt- “to spread out, extend”, and Greek noun “ops”, meaning thus. The denticles or ridges, which are seen in Sejanus, “look, countenance”, referring to the wide set eyes in speci- Abuyogocoris, Ctypomiris, Waterhauseana, Gulacapsus, Tri- mens of this taxon. The gender is masculine. chocephalocapsus, may be homologous to those in Lasiola- DISCUSSION. Dilatops fici sp.n. is distinct amongst bops and Dilatops gen.n. and may represent an additional Phylinae by virtue of its large size and ovoid shape, peduncu- defining character for the Leucophoropterini. 230 Christiane Weirauch 10 11 12 13 Figs 10–13. SEM of Dilatops fici sp.n.: 10–11 — habitus (10 — dorsal view, 11 — ventrolateral view); 12–13 — head (12 — dorsal view; 13 — lateral view). Ðèñ. 10–13. Ýëåêòðîíîãðàììû Dilatops fici sp.n.: 10–11 — âíåøíèé âèä (10 – ñâåð õó, 11 – âåíòðîëàòåðàëüíî); 12–13 — ãîëîâà (12 — ñâåð õó, 13 – ñáîêó). These structural correspondences, together with the fact Range, 1 km S of Cable Tower 6, North Queensland, 17.23409°S that Lasiolabops and Dilatops gen.n. both occur on fig trees, 145.86514°E, 500 m, 17 Oct 1981 – 5 Nov 1981, Earthwatch, support a hypothesis of a close relationship between these # (AMNH_PBI 00160109) (QM). Mount Berryman Road, Laidley, 27.65255°S 152.38037°E, 31 Oct 1990, W. F. Chamber- taxa, and inclusion of Dilatops gen.n.in the Leucophoropteri- lain, Light Trap, # (AMNH_PBI 00119026) (TAMU). ni. Apart from D. fici sp.n., Lasiolabops obscurus [Odhiam- DIAGNOSIS. Recognized by the characters given in the bo, 1959; Schuh, 1995] is the only other Phylinae that is generic diagnosis. known to occur on Ficus. DESCRIPTION. Male: Total length: 4.13–4.63, length Dilatops gen.n. and Eminoculus Schuh (Phylini) resem- apex clypeus-cuneal fracture 2.91–3.26, width across prono- ble each other on the basis of the joint possession of stalked tum 1.46–1.56. COLORATION, SURFACE AND VESTI- eyes, but this is not regarded as phylogenetically significant, TURE, and STRUCTURE: As in generic description. as structures of the body and genitalia are not alike. FEMALE. Total length 5.08–5.12, length apex clypeus- cuneal fracture 3.60–3.70, width across pronotum 1.67–1.70. Dilatops fici Weirauch, sp.n. Coloration, structure and genitalia as in generic description. Figs 1–21. ETYMOLOGY. Named for the hosts of D. fici sp.n., MATERIAL. HOLOTYPE, #, AUSTRALIA: New South Wales: species of the genus Ficus. The gender is masculine. Ashfield, 33.8991°S 151.1246°E, 5 Jan 1979, D. A. Doolan, # HOST. Known from several species of Ficus (Moraceae), (AMNH_PBI 00087334) (AM). P ARATYPES: AUSTRALIA: New F. obliqua, F. macrophylla, and F. rubiginosa. The distribu- South Wales: Royal Botanic Garden, 33.86404 °S 151.21683°E, tion of D. fici lies within the range of distribution of these 16 Feb 1993, E. Turak, Ficus macrophylla (Moraceae), # threes species of the genus Ficus (Figs 20–21). (AMNH_PBI 00087538) Ficus macrophylla (Moraceae), $ DISTRIBUTION. Known from three localities in Syd- (AMNH_PBI 00087335) (AM); 3 Mar 1993, E. Turak, Ficus obliqua (Moraceae), # (AMNH_PBI 00087584), $ (AMNH_PBI ney, and two localities in Queensland, one in the south and 00087585) (AM); 27 Jan 1993, E. Turak, Ficus rubiginosa one near Cairns (Fig. 20). (Moraceae), # (AMNH_PBI 00087583) (AM). Sydney, DISCUSSION. See generic description. 33.8652°S 151.2096 °E, 4 Mar 1943, K. C. M. Keown, # ACKNOWLEDGEMENTS. I thank Randall T. Schuh, (AMNH_PBI 00087586) (AM). Queensland: Bellenden Ker Michael D. Schwartz, and Gerasimos Cassis for discussions New genus and species of fig-inhabiting Leucophoropterini from Australia 231 14 15 16 17 18 19 Figs 14–19. SEM of Dilatops fici sp.n.: 14 — mushroomlike cuticle close to spiracle and metathorax with evaporatorium of metathoracic gland; 15 — pretarsus in frontal view; 16 — close-up of one claw; 17 — ventral surface of one claw; 18 — vestiture on the forewing; 19 — abdomen and pygophore in lateral view. Ðèñ. 14–19. Ýëåêòðîíîãðàììû Dilatops fici sp.n.: 14 — ãðèáîâèäíàÿ êóòèêóëà âîêðóã äû õàëüöà è çàäíåãðóäü ñ èñïàðèòåëüíîé ïëî ùàäêîé çàäíåãðóäíîé æåëåçû; 15 — ïðåòàðçóñ, ôðîíòàëüíî; 16 — êîãîòîê, êðóïíûì ïëàíîì; 17 — âåíòðàëüíàÿ ïîâåð õíîñòü îäíîãî èç êîãîòêîâ; 18 — îïóøåíèå ïåðåäíåãî êðûëà; 19 — áðþøêî è ïèãîôîð, ëàòåðàëüíî. and comments on the manuscript. This paper is a contribu- Australia’s Virtual Herbarium ( http://www.cpbr.gov.au/avh/ tion to the NSF Planetary Biodiversity Inventory grant (PBI) ) for making the Ficus specimen records available. DEB-0316495 to Randall Schuh and Gerasimos Cassis, and Sincere thanks to the institutions and curators listed was conducted while supported as a postdoctoral research below for providing the specimens studied here. The institu- fellow on this project. Jason Larimer kindly took the habitus tional abbreviations listed are used throughout this paper: photographs. Thanks is also give to the custodians of the AM Australian Museum, Sydney; Gerasimos Cassis 232 Christiane Weirauch Table 1. Measurements of D. fici sp.n. Òàáëèöà 1. Ïðîìåðû D. fici sp.n. QM Queensland Museum, Brisbane; Geoff Monteith TAMU Texas A & M University, College Station; Joseph C. Schaffner and Edward C. Riley References Carvalho J.C.M. & Gross G.F. 1982. Australian ant-mimetic Miridae (Hemiptera: Heteroptera). I. The Leucophoroptera group of the subfamily Phylinae // Australian Journal of Zoology. Suppl. ser. Vol.86. P.1–75. Cassis G. & Gross G.F. 1995. Zoological Catalogue of Australia Volume 27.3A. Hemiptera: Heteroptera (Coleorrhyncha to Cimicomorpha). CSIRO publishing. 521 pp. Odhiambo T.R. 1959. Notes on the East African Miridae (Hemiptera). – I X: Descriptions of a new species of Lasiolabops Poppius and of Psallus Fieber // Annals and Magazines of Natural History. Vol.13. No.1. P.758–764. Schuh R.T. 1984. Revision of the Phylinae (Hemiptera, Miridae) of the Indo-Pacific // Bulletin of the American Museum of Natural History. Vol 177. No.1. P.1–76. Schuh R. T. 1995. Plant Bugs of the World (Insecta: Heteroptera: Miridae): systematic catalog, distributions, host list, and bibliography. The New York Entomological Society, New York. 1329 pp. Figs 20–21. 20 — Distribution of Dilatops fici sp.n. in Australia; 21 — map derived from the Australia ’s Virtual Herbarium database showing the distribution of Ficus spp. that are hosts of D. fici sp.n. Ðèñ. 20–21. 20 — Ðàñïðîñòðàíåíèå Dilatops fici sp.n. â Àâñòðàëèè; 21 — êàðòà ðàñïðîñòðàíåíèÿ Ficus spp., êîðìîâîãî ðàñòåíèÿ D. fici sp.n.; ïîëó÷åíà èç áàçû äàííûõ Àâñòðàëèéñêîãî Âèðòóàëüíîãî Ãåðáàðèÿ.

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