2.Rob de Vos & Alberto Zilli
The “plain underwing” Lambula species from New Guinea with ten new species (Lepidoptera: Erebidae, Arctiinae, Lithosiini)

Abstract: The Lambula species from New Guinea with plain coloured hindwings are treated. The already known species are redescribed or reviewed, and ten new species are described, namely Lambula brunnescens spec. nov., L. contrastata spec. nov., L. crispumcornuta spec. nov., L. flavistrigata spec. nov., L. punctilinea spec. nov., L. keilyacornuta spec. nov., L. nigromarginata spec. nov., L. palliflava spec. nov., L. ophiocornuta spec. nov. and L. supioria spec. nov.
Four taxa are synonymised: Crambidia bifasciata Rothschild, 1912 syn. nov., Macaduma umbrina Rothschild, 1915 syn. nov. and Lambula bilineata Gaede, 1925 syn. nov. are all subsumed under Lambula bilineata Bethune-Baker, 1904. Lambula pallescens De Vos, 2019 syn. nov. is synonymised with Lambula punctifer Hampson, 1900.
Adults and genitalia of all species are illustrated.
Rangkuman: Spesies Lambula dari New Guinea dengan sayap belakang berwarna polos. Spesies yang sudah dikenal dideskripsi ulang atau ditinjau kembali, dan sepuluh spesies baru dideskripsikan, yaitu Lambula brunnescens spec. nov., L. contrastata spec. nov., L. crispumcornuta spec. nov., L. flavistrigata spec. nov., L. punctilinea spec. nov., L. keilyacornuta spec. nov., L. nigromarginata spec. nov., L. palliflava spec. nov., L. ophiocornuta spec. nov. dan L. supioria spec. nov. Empat taxa bersinonim yaitu: Crambidia bifasciata Rothschild, 1912 syn. nov., Macaduma umbrina Rothschild, 1915 syn. nov. dan Lambula bilineata Gaede, 1925 syn. nov. semua dimasukan ke dalam Lambula bilineata Bethune-Baker, 1904. Lambula pallescens De Vos, 2019 syn. nov. bersinonim dengan Lambula punctifer Hampson, 1900. Tahap dewasa dan alat genitalia semua spesies dideskripsikan.
Keywords: revision, redescription, Papua Barat, Papua, Papua New Guinea, Indonesia.

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