New Species and New Details of Lonchaeidae (Diptera) from the Australasia–Oceania and Indo-Malayan Realms

MacGowan, Iain

New Species and New Details of Lonchaeidae (Diptera) from the Australasia–Oceania and Indo-Malayan Realms

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MacGowan, Iain

ORCID

Abstract

Ten new species of Lonchaeidae in the genera Lonchaea Fallen and Silba Macquart are described, nine from the Australasia–Oceania realm—Papua New Guinea (7 species), Solomon Islands (1 species), and Sulawesi (1 species)—and one from Sumatra in the Indo-Malayan realm. The new species are Lonchaea bacchusi sp. nov., Lonchaea herzogi sp. nov., Lonchaea morobe sp. nov., Lonchaea spenceri sp. nov., Lonchaea sulawesi sp. nov., Silba guineai sp. nov., Silba honiara sp. nov., Silba ismayi sp. nov., Silba kokoda sp. nov., and Silba papua sp. nov. The male genitalia are illustrated, and the diagnostic features that distinguish these species are presented. The male genitalia of Lonchaea uniseta Malloch, 1930, from Samoa are described and illustrated for the first time, and the male genitalia of two species from Micronesia, Lonchaea belua McAlpine, 1964, and Lonchaea sabroski McAlpine, 1964, are illustrated for the first time. A checklist of the Lonchaeidae of Papua New Guinea is provided.