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The Neotropical planthopper genus Trigava O'Brien, 1999 (Hemiptera, Fulgoromorpha, Dictyopharidae, Nersiini) is revised. Four species are included: T. brachycephala (Melichar, 1912) (the type species, from Peru), T. obrieni Song, Malenovský & Deckert, sp. nov. (from Brazil), T. peruensis Song, O'Brien & Bartlett, sp. nov. (from Peru), and T. recurva (Melichar, 1912) (from Bolivia and Peru). Lectotypes are designated for Igava brachycephala Melichar, 1912 and Igava recurva Melichar, 1912. All species are described, including habitus photographs and detailed illustrations of the male genitalia. Male and female genitalia are described for this genus for the first time. A key for identification of the species of Trigava and a distribution map are provided. [ABSTRACT FROM AUTHOR]

The tropiduchid genus Catullioides Bierman, 1910 is redescribed and illustrated. Catullioides includes two species, C. rubrolineata Bierman, 1910 (the type species) and C. taishunensis Zhu, Wang & Song, sp. nov. A key to the species of the genus is provided. [ABSTRACT FROM AUTHOR]

The genus Chiltana Shakila-Mushtaq & Akbar, 1995 is redescribed and redefined based on the types and new material from Pakistan. Chiltana includes two species, C. acarinata sp. n. and C. baluchi Shakila-Mushtaq & Akbar, 1995 (the type species), both from Chiltan, Balochistan, Pakistan. A key to the species of the genus is provided. Nomenclatorial remarks on original publication, author, and date of Chiltana are given. [ABSTRACT FROM AUTHOR]

The monotypic genus Pibrocha Kirkaldy, 1902, known only from Sri Lanka in the Oriental region, is closely related to Dorysarthrus Puton, 1895 from southwestern Asia and northern Africa (Palaearctic region). The genus is revised to include a first description of the male genital structures and a discussion of relationships between Pibrocha, Dorysarthrus and Dichoptera Spinola, 1839. A diagnostic key to the three genera and photos of their type species are provided for better comparison in these taxa. Pibrocha is assigned tentatively from Dictyopharidae to the subfamily Dorysarthrinae (Fulgoridae). [ABSTRACT FROM AUTHOR]