Faunistic studies in South-East Asian and Pacific Island Odonata : journal of the International Dragonfly Fund
ISSN: 2195-4534
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19
The Caloptera damselflies of Thailand – Distribution maps by provinces (Odonata: Calopterygoidea)
(2017)
Distribution maps at province level accuracy are presented for the 44 species of the superfamily Calopterygoidea (in the old sense, excluding the ’megapodagrionid’ families) recorded in Thailand. Brief species accounts are presented with information on the distribution, phenology and the first discovery of the species. For eleven species the primary type was collected in Thailand. The history of the discovery and documentation of these insects in Thailand is discussed.
18
A small collection of Odonata from Nuku Hiva Island, Marquesas Islands is presented. It adds Anax guttatus as a new species to this oceanic group. Hemicordulia sp. nov. is reported, but not described because the same species has been sampled before and is pending a formal description. A short taxonomic discussion on observed morphological similarity of male anal appendages in taxa presently assigned to Amorphostigma, Hivaagrion and Ischnura east of New Caledonia is provided. Important considerations for biogeography of the Pacific Odonata are discussed too.
17
New data on Odonata of the Guadalcanal Island, Solomon Islands are provided following a recently completed Rapid Biodiversity Assessment of the Tetena Haiaja ridge. Two new species, Lieftinckia ulunorum and Procordulia valevahalo are described.
The first is a new member of the Solomon Islands endemic genus while the second is a new genus for the country and the second validated species from the Corduliidae family known from this Pacific archipelago. As L. ulunorum is found to be very closely related to formerly known L. lairdi Lieftinck, 1963, which was also collected during the field trip, both are described in detail based on mature adults and teneral specimens. Comparison with L. salomonis Kimmins, 1957 (investigated only from figures published in the original species description) and Salomoncnemis gerdae Lieftinck, 1987 (also sampled during this study) were provided as well.
Additional morphological data is given on the following species: Teinobasis bradleyi Kimmins, 1957, female is illustrated here for the first time; Anax sp. cf. gibbosulus, second record of the genus for the country and Gynacantha amphora Marinov & Theischinger, 2012, originally described by a single male, here the description of the female is provided.
All other species collected during the field trip will be published separately in the final expedition report.
16
The results of a short collecting trip to Perlis in the northwest
of Peninsular Malaysia are reported. Eighty three species were collected, at least 61 of these are new records for the state, and three species are recorded from Malaysia for the first time: Euphaea
masoni Selys, 1879, Archibasis oscillans (Selys, 1877) and Paracercion calamorum (Ris, 1916). A checklist of the Odonata recorded from Perlis is given in an appendix.
15
Records of Odonata collected in the vicinity of the Borneo Highlands Resort on Gunung Penrissen in south western Sarawak in the period 2014-2016 are presented.
Notable records include new species of Telosticta Dow & Orr, 2012, Rhinocypha Rambur, 1842 and Leptogomphus Selys, 1878, as well as the first record of the recently described genus Borneogomphus Karube & Sasamoto, 2014 from Sarawak.
14
Results of a collecting trip to the Samunsam Wildlife Sanctuary in western Sarawak are presented. Several species are reported from Sarawak for the first time: Elattoneura coomansi, Mortonagrion cf aborense, Macrogomphus phalantus and Pornothemis starrei. Other notable records include Coeliccia species, Prodasineura cf interrupta and Raphismia bispina.
13
The first known Odonata records from the Cham Islands, off Quang Nam Province, central Vietnam are presented based on a brief collecting period in late September 2015. A total of 25 odonate species (8 Zygoptera and 17 Anisoptera) were recorded. Illustrations of the detailed structures of some species are provided.
12
A three week trip to Hainan and Guangdong provinces was conducted between 26 May and 11 June 2014, sampling odonates within the vicinity of Diaoluoshan National Nature Reserve, Shuimanxing Village (both Hainan Province) and Nankunshan Nature Reserve (Guangdong Province). Additionally, Cordero and Zhang collected at Shuimanxing Village between 13 and 23 June. A total of 103 species in 78 genera were found for Hainan Province and 51 species in 42 genera in Guangdong Province. Lists of all species by locality, photographs of live specimens, are presented to facilitate identification to other collectors.
11
The existing literature on the Odonata inhabiting the three large divisions of the Pacific Ocean (Micronesia, Melanesia, Polynesia) is revised taking into consideration earlier discussions on the species origin, historical faunistic records, various palaeogeographical models proposed for the area, general data on the biology and ecology of this insect order. Special emphasis is paid on the incomplete data set for the region and inconsistency of the exploration of this vast area. The taxonomy and fauna of the Pacific Odonata is far from complete which makes it very difficult to provide any plausible hypothesis on the biogeographical pattern that we observe today.
The widely accepted view of long distance dispersal from a centre of origin as the only possible means for species to occupy remote oceanic island archipelagos is critically reviewed. There are seven phenomena in the current Odonata distribution that cannot be explained only by random gene transfer mediated by wind dispersal.
Those are called “oddities”, however, they are believed to be regularities of past geological events and modern day human associated activities within the Pacific.
The rationale for each of them is explained in details and illustrated with distribution maps following the current taxonomy of the group.
A new approach is suggested to tackle the question of the origin of the Pacific Odonata by relating the higher taxa distribution to the geological events and palaeontology of the families. It is not intended to be a new hypothesis yet before more systematic studies of the taxonomy and fauna of the group. Therefore, it is believed that the new method suggested here will increase the attention of the scientific community and will boost studies on this insect order within the Pacific Ocean. Discussion on its applicability is provided with attention to details that are difficult to be explained with the Pacific Odonata palaeontology as we know it for the moment.
10
64 (sub)species from 10 families of Odonata were recorded throughout five provinces of Papua New Guinea, including the Bismarck islands of New Britain and New Ireland, from mid-May to early July 1997. The field trip led to the description of two new dam-selfly species (Gassmann, 1999; Gassmann, 2011) and one possibly new damsel- and dragonfly taxon, respectively. For several taxa, considerable range expansions are pro-vided. Agriocnemis aderces Lieftinck, Hemicordulia hilbrandi Lieftinck, Nososticta calli-sphaena (Lieftinck), Nososticta plagioxantha (Lieftinck) and Tanymecosticta fissicollis (Lieftinck) are recorded for Papua New Guinea for the first time. Brachydiplax duiven-bodei (Brauer) is a new record for New Britain. Agriocnemis femina (Brauer), Morton-agrion martini Ris, Nososticta africana (Schmidt), Rhyothemis resplendens Selys, Xiphi-agrion cyanomelas Selys, Brachydiplax duivenbodei (Brauer) and possibly Brachydiplax denticauda (Brauer) are recorded from New Ireland for the first time.