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INDONESIA
TREUBIA
Published by Lembaga Ilmu Pengetahuan Indonesia
ISSN : 00826340     EISSN : 2337876X     DOI : -
Core Subject : Education,
Education
Arjuna Subject : -
Articles 1,485 Documents
 69   70   71   72   73 
A key to the genera and subgenera of stingless bees in Indonesia (Hymenoptera: Apidae) Engel, Michael S.; Kahono, Sih; Peggie, Djunijanti
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v45i0.3687

Abstract

Indonesia harbors the greatest diversity of social bees in all of Asia, particularly of the stingless bees (Apidae: Apinae: Meliponini). Presently, 46 species of stingless bees are known across Indonesia although records are not comprehensive and additional diversity is likely present across the region.  All of the known Asiatic genera of Meliponini occur in Indonesia, making this region a critical center of modern stingless bee biodiversity in Asia. Presented here is an illustrated key to the genera and subgenera of Indonesian stingless bees, as an aid to the general identification, study, and conservation of these critical pollinators.
On Skeletochronology of Asian grass frog Fejervarya limnocharis (Gravenhorst, 1829) from Java to support management conservation Phadmacanty, Ni Luh Putu Rischa; Hamidy, Amir; Semiadi, Gono
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v45i0.3109

Abstract

Asian grass frog Fejervarya limnocharis is being utilized as pets, for laboratory experiments, for a mixture of traditional medicine and for cuisine. The harvest of F. limnocharis in high volume can threat its population. Biological data such as the age when the specimens are harvested is valuable information to manage the harvesting system in sustainable way. We conducted the skeletochronology technique using paraffin methods and hematoxylin staining from 69 samples (46 males, 21 females, 2 juveniles). The results showed that the age harvested male ranged from 1 to 3 years old, while the female ranged from 2 to 3 years old. The snout-vent length (SVL) of harvested specimens ranges between 39.84−52.37 mm for both sexes. We propose an intervention in the harvesting system by limitation of the size for harvested specimens to at least 46 mm. In this minimum size, individuals of F. limnocharis have reproduced several times and have contributed to the  population in the wild.
Notes on ecology of wild goffin’s cockatoo in the late dry season with emphasis on feeding ecology Mioduszewska, Berenika Monika; O’Hara, Mark Christopher; Haryoko, Tri; Auersperg, Alice Marie Isabel; Huber, Ludwig; Prawiradilaga, Dewi Malia
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v45i0.3706

Abstract

Experimental work on captive Goffin’s cockatoos (Cacatua goffiniana) has highlighted the remarkable cognitive abilities of this species. However, little is known about its behavior in the natural habitat on the Tanimbar Archipelago in Indonesia. In order to fully understand the evolutionary roots leading to cognitively advanced skills, such as multi-step problem solving or flexible tool use and manufacture, it is crucial to study the ecological challenges faced by the respective species in the wild. The three-month expedition presented here aimed at gaining first insights into the cockatoos’ feeding ecology and breeding behavior. We could confirm previous predictions that Goffin’s cockatoos are opportunistic foragers and consume a variety of resources (seeds, fruit, inflorescence, roots). Their breeding season may be estimated to start between June and early July and they face potential predation from ground and aerial predators. Additionally, the observational data provide indications that Goffin’s cockatoos are extractive foragers, which together with relying on multiple food sources might be considered a prerequisite of tool use.
Ornithological observations from Maratua and Bawean Islands, Indonesia Burner, Ryan C.; Shakya, Subir B.; Haryoko, Tri; Irham, Mohammad; Prawiradilaga, Dewi M.; Sheldon, Frederick H
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v45i0.3445

Abstract

Indonesia’s many islands, large and small, make it an important center of avian diversity and endemism. Current biogeographic understanding, however, is limited by the lack of modern genetic samples for comparative analyses from most of these islands, and conservation efforts are hampered by the paucity of recent information from small islands peripheral to major, more commonly visited  islands. In November and December 2016, we visited Maratua, an oceanic coral atoll 50 km east of Borneo, and Bawean, a volcanic island on the Sunda continental shelf 150 km north of Java, to survey birds and collect specimens for morphological and genetic analysis. We detected many of the birds on Maratua’s historical lists and added several new resident and migratory species. Notably, we did not detect the Maratua White-rumped Shama (Copsychus malabaricus barbouri). On Bawean, we found the forests to be nearly silent and detected remarkably few resident land-bird species overall. The           severe population reduction of C. m. barbouri on Maratua and the drastic reduction of forest birds on Bawean probably result from overexploitation by the cage-bird trade in the first case and a combination of the cage-bird trade and pellet-gun hunting in the second.
Cover, Editors & Content Treubia, Editor
TREUBIA Vol 45 (2018): Vol. 45, December 2018
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

NEW RECORDS AND REDESCRIPTION OF LABIDOCERA ROTUNDA MORI, 1929 (COPEPODA, CALANOIDA, PONTELLIDAE) FROM SEBATIK ISLAND, NORTH KALIMANTAN, INDONESIA, WITH NOTES ON ITS SPECIES-GROUP Mulyadi, Mulyadi
TREUBIA Vol 46 (2019): Vol. 46, December 2019
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v46i0.3793

Abstract

During a plankton trip around Sebatik Island, North Kalimantan, a copepod Labidocera rotunda Mori, 1929 (Calanoida, Pontellidae) was collected for the first time in Indonesian waters. Both sexes are redescribed and compared to previous descriptions. The geographical distribution of the species confirms that it is of Indo-Pacific origin. There has been a mix-up between L. rotunda described by Mori (1929) from Pusan, Korea and L. bipinnata from Sagami Bay, described by Tanaka (1936). Fleminger et al. (1982) have argued that the minor difference is based on the presence or absence of cephalic hooks and had synonymized L. bipinnata with L. rotunda.
FOUR NEW SPECIES OF EPHOLCIS WATERHOUSE, 1875 (COLEOPTERA: SCARABAEIDAE: MELOLONTHINAE: MAECHIDIINI) FROM THE MOLUCCAS, INDONESIA Narakusumo, Raden Pramesa; Balke, Michael
TREUBIA Vol 46 (2019): Vol. 46, December 2019
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v46i0.3791

Abstract

Here, we provide the first record of the chafer beetle genus Epholcis Waterhouse, 1875 from the Moluccan Islands, Indonesia. We describe four new species: E. acutus sp. nov., E. arcuatus sp. nov., E. cakalele sp. nov., and E. obiensis sp. nov. A lectotype is designated for Maechidius moluccanus Moser, 1920, which is redescribed and transferred to the genus Epholcis as E. moluccanus (Moser) comb. nov.
BIOLOGICAL ASPECTS OF PAPILIO PERANTHUS (LEPIDOPTERA: PAPILIONIDAE) AS OBSERVED AT BUTTERFLY RESEARCH FACILITY - LIPI, CIBINONG, INDONESIA Peggie, Djunijanti
TREUBIA Vol 46 (2019): Vol. 46, December 2019
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v46i0.3795

Abstract

Papilio peranthus is endemic to Indonesia, where it occurs on several islands and island groups. This beautiful butterfly is extensively traded, thus efforts to breed this species are very desirable. Captive breeding research was conducted on P. peranthus during September 2016 to December 2018. In total, 221 individuals were available for observation. Data on the life cycle of the species, together with observations on females being approached for mating, and female oviposition after mating, are presented. The result demonstrate that P. peranthus is not monogamous. Observations on other biological aspects are also reported.
THE IDENTITY OF EUPLOEA TULLIOLUS GOODENOUGHI CARPENTER, 1942, A CROW BUTTERFLY (LEPIDOPTERA: NYMPHALIDAE, DANAINAE) FROM PAPUA NEW GUINEA Vane-Wright, Richard Irwin
TREUBIA Vol 46 (2019): Vol. 46, December 2019
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v46i0.3794

Abstract

The nominal taxon Euploea tulliolus goodenoughi Carpenter, 1942, based on a unique crow butterfly collected on Goodenough Island in 1913, is shown to represent a small, aberrant female of the locally common Euploea leucostictos eustachius (Kirby, 1889). This new synonymy invalidates the only previous record of the Purple Crow, Euploea tulliolus (Fabricius, 1793), from the islands of Milne Bay Province, Papua New Guinea. However, two female Euploea tulliolus collected from islands in the Louisiade Archipelago during 2010 are reported here, constituting the first valid records of the Purple Crow from the Milne Bay islands.
A NEW TREE FROG OF THE GENUS KURIXALUS YE, FEI & DUBOIS, 1999 (AMPHIBIA: RHACOPHORIDAE) FROM WEST KALIMANTAN, INDONESIA Mediyansyah, Mediyansyah; Hamidy, Amir; Munir, Misbahul; Matsui, Masafumi
TREUBIA Vol 46 (2019): Vol. 46, December 2019
Publisher : Research Center for Biology

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v46i0.3790

Abstract

Kurixalus absconditus sp. nov., a new species of tree frog of the genus Kurixalus, described from West Kalimantan on the basis of molecular phylogenetic and morphological evidence. The new species can be distinguished from its congeners by a combination of following morphological characters: having smaller body size, more prominent of mandibular symphysis, skin smooth on throat, vomerine odontophores two oblique series touching anterior corner of choanae and widely separated, vomerine teeth thick, buccal cavity narrow and deep, choanae with teardrop shaped, single vocal slit, weakly crenulated dermal fringe on fore- and hindlimbs.

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