Polydictya javanensis Schmidt, 1910

Constant, Jérôme, 2024, Polydictya lanternflies of Java: New species, taxonomy and identification key (Hemiptera: Fulgoromorpha: Fulgoridae), Belgian Journal of Entomology 147, pp. 1-26 : 13-17

Polydictya javanensis Schmidt, 1910 stat. rev.

Figs 5-7

Polydictya javanensis SCHMIDT, 1910: 311 (description). — SCHMIDT, 1912: 62 (in comparative note between Polydictya , Holodictya Gerstaecker, 1895 and Coelodictya Jacobi, 1910 ). — METCALF, 1947: 86 (catalogued). — LALLEMAND, 1963: 17 (keyed). — NAGAI & PORION, 1996: 14 (junior synonym of P. robusta Gerstaecker, 1895 ), pl. 2 fig. 25 (syntype of P. javanensis illustrated under the name P. robusta ).

NOTE

The species was synonymized under P. robusta by NAGAI & PORION (1996), a species originally described from Sumatra ( GERSTAECKER, 1895) but without further explanation. The examination of the type specimens and male terminalia leave no doubt that they represent two distinct species, hence P. javanensis is here reinstated as a valid species name.

DIAGNOSIS

The closest species are P. robusta and P. sumatrana Schmidt, 1910 from Sumatra. However, P. javanensis can be separated

1. from P. sumatrana (see illustration in NAGAI & PORION, 1996: fig. 23) by its green-brown abdomen (bright red in P. sumatrana ).

2. from P. robusta by its pronotum yellow in posterior portion (entirely brown in P. robusta ), yellow-brown head (olivaceous in P. robusta ) and the characters of the male terminalia, including the more or less straight laterodorsal lamina of the endosomal process (ep – Fig. 7 E ; sinuate in P. robusta – Fig. 13 E ).

MATERIAL EXAMINED

LECTOTYPE (here designated to provide a reference standard for this species)

INDONESIA • ♂ ( Fig. 5A ); Western Java, Sukabumi ; [6°55′05″S, 106°55′53″E]; 1893; 2000’; H. Fruhstorfer leg.; “ Java occident., Sukabumi, 2000’, 1893, H. Fruhstorfer ”, “ * javanensis Schmidt ”, “ Polydictya javanensis Schmidt ♂ Edm. Schmidt determ. 1909.”, “Type”, “Mus. Zool. Polonicum, Warszawa, 12/45”, “Mus Zool. Polonicum Warszawa Typus n. 1222 Polydictya javanensis Schmidt, 1910 Syntypus ”; ZMPA .

PARALECTOTYPE

INDONESIA • ♀ ( Fig. 5 C ); Western Java, Pengalengan ; [7°11’12”S, 107°34’16”E]; 1893; 4000’; H. Fruhstorfer leg.;“ Java occident., Pengalengan, 4000’, 1893, H. Fruhstorfer ”, “ Polydictya javanensis Schmidt ♀ Edm. Schmidt determ. 1909.”, “Type”, “Mus. Zool. Polonicum, Warszawa, 12/45”, “Mus Zool. Polonicum Warszawa Typus n. 1223 Polydictya javanensis Schmidt, 1910 Syntypus ”; ZMPA .

ADDITIONAL MATERIAL EXAMINED

INDONESIA, JAVA • 1 ♂; Java, Mount Gumitir ; [8°16’18.8”S, 113°56’10.2”E]; Jan. 1998; coll. Thierry Porion; MHNL • 1 ♀; Java, Ujung Kulon, Peucang ; [6°44’19”S, 105°15’24”E]; Aug. 1980; local collector leg.; RBINS • 1 ♀; Java, Buitenzorg [=Bogor]; [6°35’53”S, 106°47’50”E]; H. Deyrolle leg.; 1876; OUMNH • 1 ♂; Java, Mount Raung ; [8°07’33.8”S, 114°02’45.5”E]; Dec. 2013; local collector leg.; RBINS . — BALI • 1 ♂; Bali ; May 2005; S. Jakl leg.; I.G.: 31.970; RBINS • 1 ♂; Bali ; [8°18’S, 114°40”E]; Jan. 2005; local collector leg.; RBINS • 1 ♀; Bali ; Jun. 2003; local collector leg.; coll. Geert Goemans; RBINS • 1 ♀; Bali ; Feb. 2016; local collector leg.; RBINS .

ADDITIONAL RECORDS

Specimens of this species were also examined by E. Bhaskara (pers. com., 18 Jan. 2024) from Mt. Halimun, West Java ( Fig. 7 F – coordinates: 6°42′37″S, 106°27′05″E) and Tabanan , Bali ( Fig. 7 G – 8 °32’22”S, 115°07’18”E) .

Another record is available from iNaturalist platform, from Denpassar , Bali (https://www. inaturalist.org/observations/33992283 – 8°30’09.0”S, 115°20’00.6”E), 27 Sept. 2019, user: Chung Ho .

SUPPLEMENTARY DESCRIPTION

Male terminalia ( Fig. 7 )

Pygofer (Py – Fig. 7 A-B) strongly higher than long (without lateral lobe), with posterior margin showing a broad, elongate, laminate lateral lobe (llp) in dorsal half, strongly incurved and with dorsal margin slightly twisted, directed dorso-posteromesad, posterior margin of process rounded; anterior margin of pygofer concave in lateral view ( Fig. 7A ). Anal tube (An – Fig. 7 A-C) in dorsal view elongate, 1.43 times longer than broad, with lateral margins moderately diverging from base towards apex, then abruptly widening in distal portion and broadest at 2/3 of total length ( Fig. 7 B ); in lateral view, strongly curved ventrally and slightly sinuate, directed posteroventrad, in distal portion (area of anal opening) ( Fig. 7A ); apical margin slightly concave in posterior view ( Fig. 7 C ). Gonostyli in lateral view ( Fig. 7A ) elongate, about 1.79 times as long as high with posterior half broader; strong lateral hook (lhg) directed posteroventrad at about half-length, under dorsal margin; apical margin obliquely rounded with dorsal and ventral angles rounded; dorsal margin slightly sinuate and ventral margin sinuate; basal hump (bhg) weakly marked. Aedeagus ( Fig. 7 D-E) with endosomal processes (ep) elongate with apex curved mesad and slightly twisted, and apical margin sinuate; dorsolateral lamina on distal 2/3, widening towards apex and with lateral margin rather weakly, evenly curved and irregularly dentate, the teeth more acute in basal portion; lamina more or less straight in lateral view.

DISTRIBUTION

Indonesia: Java and Bali Islands ( Fig. 4 ) .

Figures

Fig. 5. Polydictya javanensis Schmidt, 1910, syntype (ZMPA). A–B, lectotype ♂. A, habitus, dorsal view. B, labels. C–D, paralectotype ♀. C, habitus, dorsal view. D, labels. (photographs © M. KamiŃski, ZMPA).

Fig. 6. Polydictya javanensis Schmidt, 1910, ♂ from Java, Mount Gumitir (MHNL). A, habitus, dorsal view. B, head, pro- and mesonotum, dorsal view. C, habitus, ventral view. D, frons, perpendicular view. E, habitus, lateral view. F, head and prothorax, lateral view.

Fig. 7. Polydictya javanensis Schmidt, 1910. A–E, ♂ from Java, Mount Gumitir (MHNL), terminalia (scale bars = 1 mm). A, Pygofer, anal tube and gonostylus, left lateral view. B, Anal tube and pygofer, dorsal view. C, apex of anal tube, posterodorsal view. D, aedeagus, lateral view. E, aedeagus, dorsal view. F–G, Additional records from photographs (© E. Bhaskara). F, ♀ from Java, Mount Halimun. G, ♀ from Bali, Tabanan.

Fig. 13. Polydictya robusta Gerstaecker, 1895, ♂ Sumatra, Aceh Province (RBINS), termitalia. A, Pygofer, anal tube and gonostylus, left lateral view. B, Anal tube and pygofer, dorsal view. C, apex of anal tube, posterodorsal view. D, aedeagus, lateral view. E, aedeagus, dorsal view.

Fig. 8. Polydictya rufifrons Schmidt, 1910, holotype ♂ (ZMPA). A, Habitus, dorsal view. B, Frons. C, labels. (photographs © M. KamiŃski, ZMPA).

Fig. 4. A, distribution map of Polydictya bhaskarai sp. nov. and P. javanensis Schmidt, 1910. B–C, specimens on trunk of Neolamarckia cadamba (Rubiaceae). D, Mrs Lidyawati Tri Vanti showing the specimens on photo C. E, habitat and host tree N. cadamba. (photographs B–E © Lidyawati Tri Vanti).