Abstract
Lanthanusa bilineata, a new libellulid from the mountains of central New Guinea (holotype: Mekil Research Station (04°48′ S, 141°39′ E), leg. 1 September 2004, dep. at RMNH, Leiden), is described. The new species combines characteristics previously used to distinguish between Huonia and Lanthanusa with wing venation characteristic of the genus Huonia and accessory genitalia characteristic of Lanthanusa. We propose a revision of the Huonia–Lanthanusa complex to clarify the characteristics distinguishing the genus Lanthanusa.
Highlights
The Papuan libellulid genera Huonia (Förster, 1903) and Lanthanusa (Ris, 1912) comprise 15 and five species, respectively, and are considered to be closely related
The new species combines characteristics previously used to distinguish between Huonia and Lanthanusa with wing venation characteristic of the genus Huonia and accessory genitalia characteristic of Lanthanusa
We propose a revision of the Huonia–Lanthanusa complex to clarify the characteristics distinguishing the genus Lanthanusa
Summary
The Papuan libellulid genera Huonia (Förster, 1903) and Lanthanusa (Ris, 1912) comprise 15 and five species, respectively, and are considered to be closely related. A new species discovered in the mountains of central New Guinea has characters of both. In this paper we describe the new species and discuss some of the taxonomic issues it raises
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