Revision of the Derbidae of Seychelles Islands (Insecta: Hemiptera: Fulgoromorpha) Author Löcker, Holger Author Löcker, Birgit Author Holzinger, Werner E. text Zootaxa 2009 2221 1 26 journal article 10.5281/zenodo.190082 d1fe9bf7-b084-4fc7-b58f-409f58c04c37 1175-5326 190082 Key to Derbidae tribes, genera and species of Seychelles 1 Hindwing more than half as long as forewing. Resting position with wings folded above abdomen ( Fig. 1 A). (Cenchreinae). .............................................................................................................................................................. 3 - Hindwing not more than half as long as forewing. Resting position with wings spread ( Figs 10 A–D). (Zoraidinae). ....................................................................................................................................................................................... 2 2 Body ochraceous ( Fig. 9 A). Eyes dark, very large, reaching to base of clypeus. (Sikaianini). .................................... ................................................................................................................................... Sikaiana albomaculata (Distant) - Body blackish, with light carinae and markings ( Fig. 10 ). Eyes smaller, not reaching to base of clypeus ( Figs 10 E– F). (Zoraidini). ................................................................................................................ Proutista moesta (Westwood) 3 No subantennal processes present. .............................................................................................................................. 6 - Head with distinct, crest-like subantennal processes ( Figs 5 B, 6D, 7B–E). ............................................................... 4 4 Head narrow, pronotum about twice as wide as head ( Fig. 5 A). ....................................... Fordicidia robusta Distant - Head broader, width of pronotum less than 1.5 times width of head ( Figs 6 B, 7B). .................................................. 5 5 Lateral carinae of vertex blackish ( Fig. 7 D). Forewing with two black spots: one at the apex of clavus and one near the apex of the forewing ( Figs 7 A–B). End of anal tube in males with pointed lobes directed ventrad ( Figs 15 C–E). Ventromedian process of pygofer in males as in Fig. 15 F. ..................................... Paraphenice bimaculata (Distant) - Lateral carinae of vertex yellowish ( Fig. 6 B). Forewing with a single black spot at the apex of clavus and in some specimens with a longitudinal brown streak along entire wing ( Figs 6 A–B). End of anal tube in males lobate ( Figs 14 A–B), ventromedian process of pygofer in males as in Fig. 14 C. ............................... Paraphenice aurea (Distant) 6 Apex of head distinctly angulate in lateral view ( Fig. 8 A). ........................................................ Vekunta bri , sp. nov. - Apex of head rounded in lateral view ( Figs 1 A, 3A). ................................................................................................. 7 7 Forewings without setiferous tubercles. Frons narrow, but lateral carinae well separated. Equirria phalaena Distant - Claval veins with a prominent ridge of setiferous tubercles ( Figs 1 B, 3A–B). Frons very narrow, lateral carinae almost touching each other. ......................................................................................................................................... 8 8 Upper part of body including eyes dark brown, with a reddish tinge ( Figs 3 A–B). Vertex of head and a central fascia to pro- and mesonotum yellowish. Clypeus and legs yellowish ( Fig. 3 C). Forewings very dark brown with some ochraceous spots ( Figs 3 A–B). Veins sanguineous ( Figs 3 A–B). Anal tube in male with two small apical processes pointing caudad ( Figs 13 H). Aedeagus with slender shaft and with process “e” very long and slender ( Figs 13 A–B). ................................................................................................................................. Aquaelicium elegantulum Distant - Upper part of body fuscous-brownish, eyes blackish. Vertex of head and a central fascia to pro- and mesonotum greyish ( Figs 1 A–B). Clypeus and legs ochraceous ( Figs 1 A–C). Forewings fuscous-brown with some ochraceous spots, apices of upper apical veins sanguineous ( Figs 1 A–B). Anal tube in male with two small apical processes pointing ventrocaudad ( Figs 11 D, I). Aedeagus with process “e” shorter ( Figs 11 A, 12A). ....................................... 9 9 Shaft of aedeagus slender ( Figs 12 A–B). Apex of aedeagus with three acute processes and a semicircular lobe ( Figs 12 A–B). ................................................................................................................... Aquaelicium brunnescens Distant - Shaft of aedeagus broader ( Figs 11 A, 11C). Apex of aedeagus with at least six acute processes, without semicircular lobe ( Figs 11 A–C). .......................................................................................................... Aquaelicium typicum Distant