Faunistic studies in South-East Asian and Pacific Island Odonata : journal of the International Dragonfly Fund
ISSN: 2195-4534
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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.
5
Odonata records of the Samoan Archipelago are updated and an updated checklist provided. It is part of an ongoing assessment of the fauna, taxonomy and distributionof the Pacific island dragonflies. The checklist follows recent reviews published/prepared about the Solomon Islands, New Caledonia, Fiji and Kingdom of Tonga.
This study draws on recent dragonfly records following general insect surveys spanning 2008-2012 funded by Critical Ecosystem Partnership Fund (CEPF) via Conserva-tion International (CI) to the authors and to Secretariat Pacific Regional Environment Program (SPREP) and also by funding from Japan International Cooperation Agency (JICA). Other unpublished data from Samoan Archipelago and Niue are included as well. All, but one, of the newly collected Odonata species are widespread within the Pacific region. Hemicordulia cupricoloris the only species from the recent collections which is endemic to Samoa, previously reported for Savai'i and Upolu Islands. It has neverbeen confirmed since its original description in 1927. The new study shows the species as an inhabitant of high altitude zones of Savai'i. It is recommended inland areas of Savai'i and other islands within the Samoan Archipelago should be targeted in further field studies.
28
Contribution to the Odonata fauna of the Society Islands, French Polynesia (Insecta: Odonata)
(2019)
Following field studies in 2018 the Odonata fauna of Society Islands, French Polynesia is reviewed and the validity of all records analysed. An updated species list is provided, bringing the number of breeding species recorded from this island group to ten.
Field studies targeted Hemicordulia Selys, 1870 specimens for inclusion in the revision of the Pacific representatives of the genus. Samples were taken mainly from Tahiti and Raiatea, with some additional specimens collected from Bora Bora and Huahine. Only the Society Islands endemic H. oceanica Selys, 1871 was encountered on all four islands, being recorded from Bora Bora for the first time. At least one new species of Hemicordulia has been reported from the high mountain areas of Tahiti (Jacq et al. 2009, 2014).
The present study also emphasises the need for a revision of Zygoptera records from the French Polynesia and the rest of the Pacific. Presently, about 25 endemic species provisionally assigned to Ischnura Charpentier, 1840 and Hivaagrion Hämäläinen & Marinov, 2014 are known from the Society, Austral and Marquesas island groups (R. Englund, J. Jacq, T. Ramage, D. Polhemus, per. comm.). Only seven of them have been described so far. Detailed morphological and molecular analyses will likely prove the separate generic status of some of the species presently included under Ischnura.
1
New data on the Odonata fauna of the Kingdom of Tonga is provided following re-search carried out on Tongatapu and 'Eua islands in July 2012. New localities for Tongatapu Island are put on record and previous studies are compared with new pheno-logical data from a period during which field surveys are rarely conducted on Pacific islands. Although Odonata have been collected before from 'Eua Island, the data presented here is the first published so far.
'Eua Island is assessed as a very important venue for further research on Odonata. Overall the Kingdom of Tonga is very depauperate in water resources with lotic biotopes very restricted in area and found on 'Eua Island, and possibly on Tofua and Late islands, which are both volcanic. This study on the Odonata of 'Eua resulted in records of eighttaxa, including with Teinobasis sp. nov., which will be described elsewhere.
Morphological variation in Pseudagrion microcephalum stainbergerorumand Trameatransmarinaare discussed in the context of their subspecific affiliation. Diagnostic features for easier differentiation are proposed for the first of these taxa; the validation of commonly used diagnostic traits is discussed for the second.
8
The small libellulid genus Rhodothemis is restricted to Asia and Australia. Two of the four included species were described relatively recently by Lohmann (1984) but much previously documented material was never re-identified and the distribution of species in the Indospecies in the Indo-Australian Archipelago remained poorly known. All material available in the Naturalis Biodiversity Center (RMNH) from the eastern part of the Indo-Australian Archipelago was studied and is here brought on record. Key characters are illustrated and SEM images of the genital ligula are presented.
26
This study investigates the history of Odonata studies in the Republic of Vanuatu and presents results from a two week field sampling mainly on three islands – Efate, Aneityum and Malekula. A total of 32 species are recognised as currently valid names for the country. Three new species have been collected and will be described elsewhere. Various taxonomic, faunistic and biogeographic issues are discussed in the light of the new material collected during the current study in comparison to already published research.
The general conclusion is that provisional species checklist is far from complete. The territory of Vanuatu is still highly insufficiently studied for its Odonata fauna. The local endemic genus Vanuatubasis Ober & Staniczek, 2009 is believed to be far more diverse than currently known with three described and three new species collected during the present study.
25
We present an annotated list of 28 Odonata species (19 Anisoptera, 9 Zygoptera) from Timor Island based on 464 records via photographs and 56 specimens held in collections at the Museum and Art Gallery of the Northern Territory, Darwin, Australia and the Museum Wiesbaden, Germany. Additionally 43 records of eight species (7 Anisoptera, 1 Zygoptera) from Rote Island and one record from Romang were reported. Most Timorese records are from Oecusse Special Administrative Region/Timor-Leste, a region which to date was "terra incognita". Further records from Timor-Leste are predominantly from Lautem Municipality and Baucau Municipality as well as from the Indonesian Kupang Regency. Four species are new records for Timor Island increasing the checklist to 40 species: Brachythemis contaminata (Fabricius, 1793), Tholymis tillarga (Fabricius, 1798), Gynacantha sp. cf. dobsoni Fraser, 1951and Ischnura aurora (Brauer, 1865). We provide the first photographs of live Nososticta impercepta Seehausen & Theischinger, 2017 as well as some descriptions of habitats in Oecusse. At Rote Island five species were reported for the first time as well: Brachythemis contaminata, Crocothemis servilia (Drury, 1773), Rhyothemis phyllis (Sulzer, 1776), Macrodiplax cora (Brauer, 1867) and Potamarcha congener (Rambur, 1842). The record of Orthetrum testaceum (Burmeister, 1839) from Romang Island appears to be the first Odonata documented from this island. The status of Rhyothemis phyllis is discussed with regard to the ssp. ixias Lieftinck, 1953 from the islands of Sumba and Flores. We provide distribution maps of each species as well as suggestions for targeted field research in the future. All historical records of Nososticta selysii (Förster, 1896) from Timor are now assigned to Nososticta impercepta.
23
The results of a short collecting trip to Kedah in the northwest of Peninsular Malaysia, made in September 2016, are reported. 64 species were collected, 13–14 of these are new records for the state and 28–29 are new records for the mainland of Kedah. A checklist of the Odonata recorded from Kedah (including Langkawi Island) is given in an appendix. At least 126 species of Odonata are now known from the state.
21
New records of Odonata from Kelantan, Malaysia, with a checklist of species recorded from the state
(2017)
We report here the results from field trips to collect Odonata in the central and northeastern parts of Kelantan state, Peninsular Malaysia. Sixty eight species were collected, and 15 of these are new records for the state. Interesting species collected include Euphaea masoni Selys, 1879 and Leptogomphus tioman Choong, 2016. A checklist of the Odonata recorded from Kelantan with a total 131 confirmed species is given in an appendix.
22
We report here the results from two field trips to collect Odonata in the Crocker Range National Park in western Sabah, Borneo, Malaysia. Thirtysix species were collected. Telosticta fugispinosa had not been described at the time of collection, nor had the two Devadatta species. There was no published record of Protosticta species cf kinabaluensis before the 2012 expedition, nor of Drepanosticta species cf crenitis.
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.
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.
24
The Odonata found during work on the Biodiversity and Ecosystem Function in Tropical Agriculture (BEFTA) Project in Riau Province, Sumatra, Indonesia are reported. Prior to the BEFTA project we are only aware of published records of 37 species of Odonata from Riau Province (these are listed in an appendix). Seventy five species have been recorded during the BEFTA project, including five that have not (Archibasis incisura, Archibasis rebeccae and Pseudagrion williamsoni), or not definitely (Argiocnemis species and Mortonagrion species cf aborense), been recorded in Sumatra before. Macromia dione is recorded for the first time since its description. The number of species now known from Riau Province is 88; 51 of these are reported from the province for the first time here.
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.
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.
2
Odonata records from Ayer Hitam Forest Reserve and the surrounding area in Johor, Peninsular Malaysia are presented. A total of 44 Odonata species from eight families were collected in the area in October 2012. All of these records are new to Ayer Hitam Forest Reserve. Indothemis carnitica is a new record for Malaysia.
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.
29
Another survey of Odonata on the Indonesian island of Belitung is reported. This survey was the second survey conducted in the Belitung area with International Dragonfly Fund support and was focused to Belitung Regency's outer islands. Seventy two species were recorded during the survey. Significant records from the surveyed islands include Amphicnemis kuiperi, Mortonagrion arthuri, Mortonagrion appendiculatum, Teinobasis ruficollis, Platylestes heterostylus, Pornothemis serrata, Pornothemis starrei and Tramea phaeoneura. Almost all the records are new to the small islands surveyed, except for Mendanau Island for which there were already records of four species. A checklist of the odonate fauna of the outer islands is given in an appendix.
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.
4
Odonata fauna of the Solomon Islands (considered in its political rather than geographical borders) is revised following a recent collecting trip to Guadalcanal Island in April 2012. Some important taxonomic considerations are discussed and a complete literature review is provided for the country with an updated checklist of 64 species that is in accordance with the latest taxonomic studies on the group from that part of the world. The collection reported here was carried out on two and a half effective field days and resulted in a total of 30 taxa. Two of them (Agyrtacantha browni and Gynacantha amphora) are new to science and already described elsewhere and three oth-ers (Lestesconcinnus, Lathrecista asiatica festa and Rhyothemis resplendens) are new to the country. A female of Pseudagrion incisurum is described for the first timeand another female (Rhinocypha liberata) will be described later.