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The new genus Lobofemora gen. nov. is described from Vietnam to accommodate three new species: L. bachmaensis sp. nov. (Bach Ma National Park, central Vietnam), L. bidoupensis sp. nov. (Bidoup-Nui Ba National Park, central Vietnam) and L. scheirei sp. nov., the type species (Cat Tien National Park and Dong Nai Biosphere Reserve, south Vietnam). It is provisionally placed in the tribe Clitumnini Brunner von Wattenwyl, 1893. The genus is the only known Clitumnini which shows tegmina and sometimes alae in the males. Females show conspicuous foliaceous lobes on the median femora. Males and females of all species and the eggs of L. scheirei sp. nov. and L. bidoupensis sp. nov. are described and illustrated. An identification key to the species and a distribution map are provided. The definition of the tribe Clitumnini sensu Hennemann & Conle (2008) is slightly adapted to include the new genus and the tribal placement is discussed. The male of L. scheirei sp. nov. is able to stridulate by rubbing the outer margins of the tegmina against the subcostal and radial veins of the alae.
A new species of the genus Pyrops Spinola, 1839 (Fulgoridae), P. buomvoi sp. nov., is described from Ca Na, Ninh Thuan Province in Central Vietnam. It is attributed to the candelaria group and compared with the other species of the genus. Pyrops lathburii (Kirby, 1818) is proposed as a senior synonym of P. astarte (Distant, 1914), transferred back to the candelaria group from the pyrrhorhynchus group, and recorded from Laos for the first time. The candelaria and pyrorhynchus groups are defined and commented on. Intraspecific variation in the colour of the hind wings is recorded for the first time in Pyrops condorinus (Lallemand, 1960). A checklist of the 12 Vietnamese species of Pyrops and an illustrated key which can also be used for Laos, Cambodia and Southern Continental China, are given. Pyrops buomvoi sp. nov. is the first new species of Pyrops discovered in Indochina for more than 50 years. Intraspecific colour variation in the species of Pyrops is briefly discussed.
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.
A new subgenus of Orinda Kirkaldy, 1907, Montorinda subgen. nov., is described to accommodate two new species from southeastern Queensland, O. (Montorinda) eungellana sp. nov. from Eungella National Park and O. (Montorinda) montana sp. nov. from Mount Walsh National Park. The new species are compared to the other species of the genus and a new subgenus Scapulorinda subgen. nov. is described to accommodate Orinda (Scapulorinda) scapularis (Jacobi, 1928), leaving a single species in the subgenus Orinda: O. (Orinda) lucindae (Kirkaldy, 1906). Illustrations of the male holotype, a female paratype and male genitalia are provided for both new species as well as habitus and wing of O. (Scapulorinda) scapularis (Jacobi, 1928), the most closely related species, for comparison. The type series of the O. (Montorinda) montana sp. nov. was collected on Grevillea whiteana Mc Gill. (Proteaceae). The genus Orinda is only recorded from Queensland and now contains four species.
Sixteen species of Issidae (Hemiptera: Fulgoromorpha) were recorded in a single day of collecting in Dong Son-Ky Thuong Nature Reserve, Quang Ninh Province, Vietnam, of which a checklist is provided. Among them, eight species are new to science and described in different tribes and subtribes: in the Hemisphaeriini Hemisphaeriina: Gergithoides olivaceus sp. nov., Hemisphaerius bresseeli sp. nov. and Neogergithoides scapularis sp. nov.; Hemisphaeriini Mongolianina: Mongoliana vietnamica sp. nov.; Kodaianellini: Kodaianella mua sp. nov.; Parahiraciini Parahiraciina: Pusulissus quangninhensis sp. nov. and Rostrolatum curviceps sp. nov.; Sarimini: Pseudocoruncanius obliquus sp. nov. The new genus Melichergithus gen. nov. is described to accommodate Gergithus gravidus Melichar, 1906 and the new combination Melichergithus gravidus (Melichar, 1906) gen. et comb. nov. is proposed; a black form of the species is recorded for the first time and described. Two species, Longieusarima lunulia Wang, Bourgoin & Zhang, 2017 and Parallelissus fuscus Meng, Qin & Wang, 2020, are recorded from Vietnam for the first time, while another species Maculergithus luteomaculatus (Constant & Pham, 2016) is recorded for the first time from Quang Ninh Province. Four species were represented by single females that could not be identified to species level, belonging to the genera Clypeosmilus Gnezdilov & Soulier-Perkins, 2017, Fortunia Distant, 1909 (two species) and Kodaianellissus Wang, Bourgoin & Zhang, 2017. The five following genera are recorded from Vietnam for the first time: Kodaianella Fennah, 1956, Rostrolatum Che, Zhang & Wang, 2020, Longieusarima Wang, Bourgoin & Zhang, 2017, Parallelissus Meng, Qin & Wang, 2020 and Kodaianellissus. The type material of Hemisphaerius rufovarius Walker, 1858 and its junior synonyms H. scymnoides Walker, 1862, H. testaceus Distant, 1906 and H. virescens Distant, 1906 was studied and the male terminalia described; as a result, H. rufovarius is removed from the fauna of Vietnam and China. Hemisphaerius bipunctatus Melichar, 1906 is also removed from the fauna of Vietnam after examination of the corresponding specimens. This study provides a 25% increase in the number of Issidae of Vietnam; a complete list of the 51 species recorded from the country, as well as a map of the number of recorded species per province, are given and discussed.
The Malagasy genus Belbina Stål, 1863 (Hemiptera: Fulgoridae) is revised, transferred from the Enchophorinae Haupt, 1829 to the Aphaeninae Blanchard, 1847, and two new species, B. bourgoini sp. nov. and B. laetitiae sp. nov., are described. The genus Cornelia Stål, 1866 is proposed as a junior synonym of Belbina. The following new combinations are proposed: Belbina bergrothi (Schmidt, 1911) comb. nov. and B. nympha (Stål, 1866) comb. nov. The combination Belbina foliacea Lallemand, 1950 is restored. Aphana madagascariensis Westwood, 1851 is redescribed, transferred to Belbina and the new combination B. madagascariensis (Westwood, 1851) is proposed. Belbina vicina Lallemand, 1959 is proposed as a junior synonym of B. falleni Stål, 1863 and Cornelia atomaria (Brancsik, 1893) as a junior synonym of Belbina nympha (Stål, 1866). Neotypes are designated for B. madagascariensis (Westwood, 1851) comb. nov. and B. servillei (Spinola, 1839). The genus now comprises 12 species from Madagascar. A list of diagnostic characters, an identification key, illustrations of the male genitalia and distribution maps are provided. The falleni+ species group is defined based on characters of the male genitalia and contains the following 5 species: B. bloetei Lallemand, 1959, B. falleni Stål, 1863, B. laetitiae sp. nov., B. lambertoni Lallemand, 1922 and B. pionneaui Lallemand, 1922.
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.
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 Australian genus of Eurybrachidae (Hemiptera, Fulgoromorpha) Kamabrachys gen. nov. is described to accommodate Platybrachys signata Distant, 1892 and Euronotobrachys plana Kirkaldy, 1906, the former being the type species. The new combinations Kamabrachys signata (Distant, 1892) gen. et comb. nov. and K. plana (Kirkaldy, 1906) gen. et comb. nov. are subsequently proposed. Ten new species are also included in the genus and described: K. andersoni gen. et sp. nov., K. brennani gen. et sp. nov., K. campbelli gen. et sp. nov., K. danielsi gen. et sp. nov., K. falcata gen. et sp. nov., K. fasciata gen. et sp. nov., K. pedemontana gen. et sp. nov., K. rieki gen. et sp. nov., K. v-carinatum gen. et sp. nov. and K. waineri gen. et sp. nov. The male and female genitalia of each species are illustrated and photographs of habitus, distribution maps, biological data and an identification key are provided. The mating behaviour of K. signata is described, illustrated and discussed. The genus Kamabrachys currently contains 12 species and is associated to trees in the family Myrtaceae.
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.