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All extant species of the planthopper genus Limois Stål (Hemiptera: Fulgoromorpha: Fulgoridae) were studied. One new species, Limois sordida sp. nov., is described and illustrated from China. Six known species are re-described and photos and illustrations of male genitalia are provided. A key to all extant species of this genus is also given.
A new giant species of the subfamily Rhynchoproctinae with strikingly bi-coloured, red-yellow legs contrasting with a black body is described: Alienostreptus bicoloripes sp. nov. from Vietnam. The new species is assigned to the genus Alienostreptus Pimvichai, Enghoff & Panha, 2010 hitherto comprising one species, A. alienus (Attems, 1936), and differing from other rhynchoproctine genera by having the femoral spine duplicated. Species of this genus share three synapomorphic characters of the subfamily, viz (1) anterior coxal fold forms deep concavity in posterior view, (2) posterior coxal fold very low, and (3) posterior coxal fold with mesal flap. A superficially very similar colourful species from Borneo, also with bi-coloured legs but clearly not belonging to Alienostreptus due to the position of ventral soft pads on male legs, is documented based on photographs.
Review of the clavatus group of the lanternfly genus Pyrops (Hemiptera: Fulgoromorpha: Fulgoridae)
(2017)
The clavatus group of Pyrops Spinola, 1839 is reviewed and redefined. The new combination Pyrops atroalbus (Distant, 1918) comb. nov. is proposed, as atroalbus is reinstated as a full species from status of subspecies of Pyrops watanabei (Matsumura, 1913). Pyrops nigripennis (Chou & Wang, 1985) and Pyrops clavatus mizunumai (Sato & Nagai, 1994) are proposed as junior synonyms of P. clavatus (Westwood, 1839). The Philippine species P. polillensis (Baker, 1925) is removed from the group and not attributed to any of the currently defined species groups. Hence, the clavatus group is restricted to continental Southeast Asia and Taiwan and contains three species: P. atroalbus comb. nov., P. clavatus and P. watanabei. A key to the species of the group and illustrations of the male genitalia are provided. The intraspecific colour variation in the group is discussed and illustrated. The genus Pyrops is removed from the subfamily Fulgorinae and not attributed to any of the currently defined subfamilies of Fulgoridae.
Two new species of the genus Gergithoides Schumacher, 1915 (Issinae, Hemisphaeriini), G. gnezdilovi sp. nov. from Bidoup-Nui Ba National Park in Central Vietnam and G. nui sp. nov. from Pia-Oac National Park in North Vietnam, are described. These are the only species of the genus formally recorded from Vietnam to date. Habitus, details and male genitalia are illustrated and a distribution map is provided. Four females representing three or four additional species, known from females only, are mentioned and illustrated. Taxonomic and biogeographical updates based on a thorough review of the literature are proposed and discussed for G. carinatifrons Schumacher, 1915, G. rugulosus (Melichar, 1906) and G. undulatus Wang & Che, 2003.
The new subgenus Maculergithus subgen. nov. is established to accommodate two new species of the genus Gergithus Stål, 1870 (Issinae, Hemisphaeriini): G. (Maculergithus) tamdao subgen. et sp. nov. and G. (Maculergithus) luteomaculatus subgen. et sp. nov. from Tam Dao National Park in North Vietnam. Two more species from Hainan, China, G. multipunctatus Che, Zhang & Wang, 2007 and G. nonomaculatus Meng & Wang, 2012 are also placed in Maculergithus subgen. nov. A fifth species from Hainan, yet undescribed and erroneously identified as G. multipunctatus in recent papers also belongs to this new subgenus. Illustrations of habitus, morphological details and male genitalia together with a distribution map and an identification key to the species of Maculergithus subgen. nov. are provided. Four species of the genus Gergithus are now recorded in Vietnam. A rectificative note on the misinterpretation of G. multipunctatus in recent publications on Issidae is also provided.
The Australian genus of Eurybrachidae Stål, 1862 (Hemiptera, Fulgoromorpha) Olonia Stål, 1862 is redescribed and reviewed. Seven new species are described: O. bourgoini sp. nov. (N Queensland, Chillagoe), O. danielsi sp. nov. (N Queensland, Cape York Peninsula), O. guillaumei sp. nov. (N Queensland), O. hochae sp. nov. (N Queensland, Undara), O. monteithi sp. nov. (Queensland), O. rylandae sp. nov. (N Queensland, Chillagoe) and O. soulierae sp. nov. (Queensland). Platybrachys nobilis (Stål, 1863) is transferred to Olonia and the new combination Olonia nobilis (Stål, 1863) comb. nov., is proposed. Olonia ornata Lallemand, 1928 and O. apicalis (Walker, 1851) are removed from Olonia and transferred to Platybrachys Stål, 1859 and Maeniana Metcalf, 1952, respectively. Hence, the new combinations Platybrachys ornata (Lallemand, 1928) comb. nov. and Maeniana apicalis (Walker, 1851) comb. nov. are proposed. The new genus Stalobrachys gen. nov. is described to accommodate Olonia alboapicata Jacobi, 1928 and the new combination S. alboapicata (Jacobi, 1928) gen. et comb. nov. is proposed. The male genitalia are illustrated and photographs of habitus, a distribution map, biological data and an identification key are provided. The genus Olonia currently contains twelve species and the genus Stalobrachys gen. nov. has one species.
The Oriental genus of Eurybrachidae (Hemiptera, Fulgoromorpha) Purusha Distant, 1906 is reviewed and a key to the genera of Eurybrachini is given. Two new species, P. bellissima sp. nov. and P. vietnamica sp. nov. are described from Myanmar and North Vietnam, respectively. Purusha rubromaculata Distant, 1906 is proposed as a junior synonym of P. reversa (Hope, 1843). All species are illustrated, including all type specimens and the male genitalia for the first time. Distribution maps, identification key to species and biological data are provided. The sexual dimorphism in the genus is discussed. Five species are currently placed in Purusha.
A new species of the genus Birdantis Stål, 1863 (Hemiptera: Fulgoridae), B. bhaskarai sp. nov. from Larat Island (Tanimbar), is described. Birdantis collaris (Walker, 1870) stat. rev. and B. trilineata (Schmidt, 1926) stat. rev. are reinstated as valid species, respectively from status of subspecies and as junior synonym of B. delibuta Stål, 1863. These four species, as well as the other one previously described from the Maluku Islands, B. decens Stål, 1863, are illustrated from their type specimens. An identification key, a distribution map, illustrations of habitus and details of male genitalia are provided. The synonymy between Myrilla Distant, 1888 and Birdantis is formally reinstated and all species formerly placed in the subgenus Birdantis (Myrilla) are transferred to Birdantis sensu stricto. Birdantis is transferred to the subfamily Aphaeninae Blanchard, 1847 and now contains eighteen species distributed in Maluku (five species), New Guinea and neighbouring islands (ten species) and Australia
(three species).
The species group effusus of the genus Pyrops Spinola, 1839 is reviewed and the nomenclatural history of the genus Pyrops is briefly summarized. One new species from eastern Borneo, Pyrops synavei sp. nov., is described. P. gunjii (Satô & Nagai, 1994) stat. nov. is proposed as a valid species instead of a subspecies of P. whiteheadi (Distant, 1889). P. maquilinganus (Baker, 1925) is removed from the effusus group and placed back into the candelaria group. P. cyanirostris (Guérin-Méneville, 1845) is removed from the group and not attributed to any of the currently defined species groups. An illustrated key to the species of the group with the addition of P. intricatus (Walker, 1857) and a distribution map are given. The effusus group is restricted to Borneo and adjacent Laut Island and presently contains 4 species: P. effusus (Distant, 1891), P. gunjii (Satô & Nagai, 1994) stat.nov., P. synavei sp. nov. and P. whiteheadi (Distant, 1889). Trophobiosis observations with the gecko Gehyra mutilata (Wiegmann, 1835) (Reptilia: Squamata: Gekkonidae) and two species of cockroaches (Insecta: Blattodea), one Dorylaea sp. and an unidentified species of Pseudophyllodromiinae, are reported and illustrated for P. whiteheadi; observation with a cockroach, Dorylaea sp., is reported for P. intricatus.
The species of the genus Polydictya Guérin-Méneville, 1844 from Sulawesi and adjacent islands are reviewed and three new species are described: P. bantimurung sp. nov. (Sulawesi), P. basirubra sp. nov. (Sulawesi, Wowoni and Buton) and P. pelengana sp. nov. (Peleng). An identification key for the 6 species recorded in the area is given. Habitus, detailed illustrations and a distribution map are provided for all species. The male genitalia of the three new species are illustrated and described, and the male genitalia of P. thanatos Chew Kea Foo, Porion & Audibert, 2010 are figured and described for the first time. The genus Polydictya now contains 24 species.