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The results of two expeditions into the Ulu Baleh and Ulu Balui areas of the interior of Sarawak are presented, including data from forest that was pristine at the time of sampling but that was subsequently logged. A total of 74 species are recorded, notably including Coeliccia campioni, Coeliccia new species borneensis-group, Pericnemis spp., Heliogomphusblandulus, Leptogomphus pendleburyi, Chlorogomphus ?manauand Procordulia ?new species. A discussion of the results and potential differences in the odonate fauna of comparable logged and unlogged forest sites is given.
Records of Odonata from the Lanjak Entimau Wildlife Sanctuary (LEWS) in Sarawak, Malaysian Borneo are presented. Previous records of Odonata from LEWS are critically examined. One hundred and ten species have been recorded within the sanctuary, including three that have yet to be found outside (Drepanosticta adenani, Telosticta iban and "Elattoneura" mauros); records of four more species are regarded as in need of confirmation, those of another six are incorrect. In addition to the three species only known from LEWS, other notable records include: Drepanosticta sbong, Dysphaea lugens, Euphaea sp. cf basalis, Pericnemis kiautarum, Burmagomphus insularis, Gomphidia caesarea, Merogomphus species, Phaenandrogomphus safei, Macromia callisto and Idionyx montana. A fresh illustration of the anal appendages of Drepanosticta sbong in lateral view is provided to make up for inaccuracies in the original illustration. The taxonomy of Phaenandrogomphus safeii is briefly discussed. Zygonyx errans Lieftinck, 1953 is considered a subspecies of Z. ida not Z. iris Additional records from areas adjacent to LEWS are given in an appendix.
Records of Odonata from two areas in the upper Baram area in Sarawak's Miri Division are presented. Sixty five species are recorded from the Sungai Sii area and sixty three from the Ulu Moh area. Notable records include Telosticta ulubaram, Coeliccia southwelli, Leptogomphus new species, Macromia corycia and Tramea cf. virginia. Rhyothemis regia is recorded from Sarawak for the first time.
The results of an odonatological expedition to the Hose Mountains in central Sarawak, Malaysian Borneo made in April 2011 are presented. During the two-week expedition more than sixty-three species of Odonata were collected, bring the number of species of Odonata known from the Hose Mountains to over ninety-three; a number greater than that recorded from a some of Sarawak’s National Parks. Species of particular interest collected on the expedition include Drepanosticta new species, Protosticta tubau Dow, 2010 and, most notably, Chlorogomphus manau Dow & Ngiam, 2011, which was discovered during the expedition.
