Three species of Phoenicagrion are known from the north-eastern Amazonian part of Peru: P. flammeum, P. paulsoni, and a third undescribed species. In 2009 and 2010 several specimens of this third species were collected in Loreto, making it possible to describe this species, here named Phoenicagrion trilobum (holotype ♂: Peru, Loreto department, Tahuayo River, 18 km E…
Nychogomphus yangi sp. nov. is described from Yunnan, China (holotype ♂: Xishangbanna, Yunnan Province, China; deposited at the Shaanxi Bioresource Key Laboratory, Hanzhong, Shaanxi, China). The new species is described and illustrated and compared with its closest congener Nychogomphus lui.
Four new species of Palaiargia from New Guinea, P. benkeni, P. clarillii, P. quandti and P. tydecksjuerging, are described and figured. Maps are provided of the known distributions of all species of the genus which occurs in the Moluccas and on the main island of New Guinea. Previous unpublished records are provided for P. carnifex,…
Two new species belonging to the endemic New Guinea genus Pyrrhargiolestes are described from Papua New Guinea: P. lamington sp. nov. (holotype: Mount Lamington, Oro Province, dep. in RMNH) and P. yela sp. nov. (holotype: Rossel Island, Milne Bay Province, dep. in USNM). The presumed male of P. aulicus is described for the first time….
Burmagomphus asahinai sp. nov. (holotype ♂: Cambodia, Cardamom Mts., Koh Kong Province, Thma Bang District, 6 km SW of its centre, rapids at the Thma Bang River, 25 August 2011, RMNH) is described from Koh Kong Province of Cambodia and Nakhon Nayok, Chiang Mai and Parchuap Khiri Khan Provinces of Thailand and is compared with its…
The levis and ferruginea groups of Orthemis are redefined. Six new species of Orthemis are described: O. aciculata sp. nov. (♂ holotype: Surinam, Para Dist., road near forest, Zanderij I (5°32′ N, 55°10′ W), 17 January 1957, leg. J. Belle [RMNH]), O. celata sp. nov. (♂ holotype: Brazil, Pará State, Rio Gurupí, Canindé (0°30′57′ ′…
Two new species of Metaleptobasis from Ecuador are described and illustrated. Metaleptobasis gibbosa (holotype ♂, allotype \female: Ecuador, Pastaza Province, forest wetlands, Los Copales, between Mera and Shell, 01° 29′ 30′′ S, 078° 04′ 19′′ W, elevation 1070 m, 20–22 September 2005, leg. K. J. Tennessen; deposited in Florida State Collection of Arthropods) appears related…
A synopsis is given of the knowledge of the genus Rhinagrion. The males of two new species are described from the Philippines: R. schneideri sp. nov. (holotype: Samar Island, Hinubangan, San Isidro, 31 March–5 April 1992) and R. reinhardi sp. nov. (holotype: Mindanao Island, Surigao del Sur, Carmen, 24 April 1995). Rhinagrion yokoii is synonymized…
In this article the genus Argiolestes s.str. is defined and three new species belonging to this group are described: A. foja sp. nov. (holotype: Foja Mountains, Indonesia, dep. in MBB}); A. muller sp. nov. (holotype: Baia River, Papua New Guinea, dep. in SAMA); A. roon sp. nov. (holotype: Roon Island, Indonesia, dep. in BPBM). New…
Two new species of the New Guinean megapodagrionid genus Argiolestes are described: A. tuberculiferus (holotype ♂ Papua New Guinea, Simbu Province, 6°43′S, 145°05′E; 900 m, 14 xii 2003) and A. verrucatus (holotype ♂ Papua New Guinea, Sandaun Province, 4°48′S, 141°39′E; 1,700-2,100 m, 08 ix 2004). We further provide additional descriptions and ecological data of new…