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Utami Dwi Astuti
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INDONESIA
Treubia
Published by BRIN Publishing
ISSN : 00826340     EISSN : 2337876X     DOI : https://doi.org/10.55981/treubia
Core Subject :
Treubia is a scientific journal on zoology of the Indo-Australian Archipelago. We publish original research papers, review articles and case studies focused on animal systematics, animal ecology, and wildlife conservation, encompassing the Indo-Australian region. Animal systematics - New species discovery - Taxonomic assessment of an animal taxon - Systematic revision - Biological evolution of an animal taxon Animal ecology - Animal behavior - Animal distribution and biogeographic overview - Population assessment of an animal taxon Animal conservation - Threatened status assessment of an animal taxon - Environmental issues of an animal taxon
Arjuna Subject : -
Articles 781 Documents
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SYNTOPIC ELYMNIAS AGONDAS ARUANA FEMALE FORMS MIMIC DIFFERENT TAENARIS MODEL SPECIES (PAPILIONOIDEA: NYMPHALIDAE: SATYRINAE) ON ARU, INDONESIA David J. Lohman; Sarino Sarino; Djunijanti Peggi
Treubia Vol. 47 No. 1 (2020): Vol. 47, No. 1, June 2020
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v47i1.3821

Abstract

Wing patterns of female Elymnias agondas (Boisduval, 1832) butterflies are highly variable, presumably to mimic different Taenaris species throughout New Guinea and surrounding islands. Labels on most E. agondas museum specimens lack precise locality information, complicating efforts to match E. agondas female wing patterns with presumed Taenaris model species. This paucity of data also makes it impossible to determine where different forms occur and whether they are strictly allopatric. During fieldwork on the Aru Archipelago, we found two distinct forms of E. agondas females occurring syntopically. The “light form” resembles T. catops, while the “dark form” seems to mimic T. myops and T. artemis. We discuss the significance of this finding and illustrate species in the Taenaris mimicry ring encountered on Aru.
RECENT ORNITHOLOGICAL EXPEDITIONS TO SIBERUT ISLAND, MT. TALAMAU AND RIMBO PANTI NATURE RESERVE, SUMATRA, INDONESIA Tri Haryoko; Oscar Johnson; Matthew L. Brady; , Subir B. Shakya; M. Irham; Yohanna Yohanna; Rusdiyan P. Ritonga; Dewi M. Prawiradilaga; Frederick H. Sheldon
Treubia Vol. 47 No. 1 (2020): Vol. 47, No. 1, June 2020
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v47i1.3839

Abstract

Siberut Island, Mt. Talamau, Rimbo Panti Nature Reserve, and intervening locations in West Sumatra Province were visited during two expeditions in 2018-2019 by ornithologists from the Museum Zoologicum Bogoriense (MZB) - Indonesian Institute of Sciences (LIPI), Louisiana State University Museum of Natural Science (LSUMNS), and Andalas University. The main objective of these expeditions was to obtain data and tissue-subsample rich museum specimens for morphological and genetic studies of phylogeny and population genetics of Southeast Asian birds aimed at understanding the causes of avian diversification in the region. We also observed, photographed, and audio-recorded numerous bird species during the expeditions and archived these data. In total, 285 species were identified, and specimen material was collected from 13 species and 26 subspecies not previously represented in tissue resource collections. Here, we provide complete lists of birds found at each location, highlight distributional discoveries, and note cases of potential taxonomic, ecological, and conservation interest.
VOCALIZATION OF ASIAN STRIPED TREE FROGS, Polypedates leucomystax (GRAVENHORST, 1829) AND P. iskandari RIYANTO, MUMPUNI & McGUIRE, 2011 Hellen Kurniati
Treubia Vol. 38 (2011): Vol. 38, December 2011
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v38i0.543

Abstract

Morphometric study has showed that Asian Striped Tree Frog popula-tions from Sulawesi can be separated from populations discovered in other islands (Sumatra, Java and Kalimantan) and become accepted as a new species, namely Polypedates iskandari (Riyanto et.al., 2011). However, the results on analysis of vocalizations sequences have indicated that, P. iskandari and P. leucomystax from Java population use similar acoustic bandwidth frequencies in the major call. The different between the two species can only be found in minor calls; P. iskandari has a higher dominant frequency range than P. leucomystax. This study shows that minor calls are not important in communication among males. Therefore, based on acoustic analysis, there is no sufficient evidence to classify the Sulawesi population of P. leucomystax as a new species.
MOLECULAR PHYLOGENY OF INDONESIAN AGANAINE MOTHS (Lepidoptera: Noctuidae) BASED ON CO I GENE Hari Sutrisno
Treubia Vol. 38 (2011): Vol. 38, December 2011
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v38i0.544

Abstract

Systematic of Aganaine moths has been long in dispute since they show both noctuids and arctiids morphological characteristics. Even the relationship among genera within Indonesian Aganaines is still unclear, and their phylogenetic relationships need to be reexamined since the morphological hypothesis proposed previously was not able to show the relationship among them. In order to clarify the phylogenetic relationship among five genera of Indonesian Aganaines, I used sequence of mitochondrial CO I gene (610-bp) to reconstruct their phylogenetic relationship using MP and NJ tree building methods. The results showed that the phylogenetic relationship proposed in this study contradicts the previous hypothesis. The monophyly of subfamily Aganainae has a strong bootstrap support at any tree building methods (88-95%). Neochera was divided into two clades and branched off first and then was followed by Euplocia, Peridrome, Agape, and Asota. The similarity between the previous hypothesis and this study is only on the sister-group relationship between Euplocia and Peridrome and the division of Neochera into two clades. The synapomorphy of Euplocia + Peridrome is a large androconial patch on the forewing upperside at the costal base. This study also showed that all internal nodes gained least supports. It indicates that the relationships among internal nodes proposed here were poorly supported due to the limited number of species and only a short fragment of one mitochondrial gene included in the analysis. Further studies are needed to be done by including more other species, other
ON A SMALL COLLECTION OF BIRDS FROM THE KARIMATA ISLANDS, WEST BORNEO F. N CHASEN; C. BODEN KLOSS
Treubia Vol. 14 No. 2 (1932): Vol. 14, No. 2, 1932-1934
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v14i2.2806

Abstract

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COMPARISON OF ZOOGEOGRAPHY AMONG RATS, FRUIT BATS AND INSECTIVOROUS BATS ON INDONESIAN ISLANDS Ibnu Maryanto; Seigo Higashi
Treubia Vol. 38 (2011): Vol. 38, December 2011
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v38i0.545

Abstract

The species number of rat, fruit bat, and insectivorous bat was signifi-cantly correlated with island size when five major islands of Irian, Borneo, Su-matra, Sulawesi and Java were included in the analysis, and the z area values were 0.22; 0.19 and, 0.26, respectively. When these islands were excluded, the correlation between species richness and island size was significant in fruit bats and insectivorous bats (R2=0.31, P<0.01) but not in rats. Z value declined to 0.07 in rats, 0.14 in fruit bats and 0.19 in insectivorous bats. Zoogeographic bounda-ries are shown. Wallace’s Line seems to be a zoogeographic boundary for all of three mammal groups; Bali and Lombok Islands belong to the cluster of Lesser Sunda in rats but not to the cluster of Greater Sunda in bats. Although Weber’s Line also seems to be a zoogeographic boundary for all of the three mammal groups, an effective boundary lies between Sulawesi and Maluku in rats and in-sectivorous bats but not between northern Maluku and Irian in fruit bats. The fauna of fruit bats in Southern Maluku is more similar to those of Irian. Lydek-ker’s line seems to be a boundary for only rats, though Biak, Owi and Yapen Islands belong to the cluster of Maluku. In addition to those boundaries, Cluster analyses revealed another boundary for rats between Sumatra and western Su-matra islands (Mentawai Islands) and between Lesser Sunda and Sulawesi to Southern Maluku for fruit and insectivorous bats.
CADURCIA LEEFMANSI, EINE NEUE ORIENTALISCHE RAUPENFLIEGE (Dipt. Tach.) N BARANOFF
Treubia Vol. 14 No. 2 (1932): Vol. 14, No. 2, 1932-1934
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v14i2.2805

Abstract

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LANDSCAPE BIODIVERSITY OF TROPICAL FOREST SPIDER COMMUNITIES IN VIETNAM (ARACHNIDA: ARANEAE) Jeremy A Miller; Pham Dinh Sac
Treubia Vol. 38 (2011): Vol. 38, December 2011
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v38i0.546

Abstract

Spiders were sampled from one-hectare tropical rainforest plots in three parks in northern Vietnam. Inventories were based on ecologically structured sampling employing five methods. A series of non-parametric estimators were used to extrapolate the true species richness from the samples for each locality and indicate the magnitude of sampling effort necessary to inventory a variety of protected Southeast Asian tropical forests. We investigated the Beta diversity between sites and explored the distinctness of the communities sampled by the various collecting methods. Our approach takes the incompleteness of our inven-tories into account and estimates the number of unobserved shared species. Rank sample abundance was positively correlated with number of sites observed. However, when sample abundance was scaled by incidence (as an index of de-tection probability), this relationship disappeared. This suggests no difference in the probability that abundant and rare species will be present in different sites even if the detection probability of rare species is low. The three sites differed in their observed and estimated point diversity with the lowest diversity site, Cuc Phuong, also having the least vertically-stratified spider community. The three sites, separated by 150–300 km and differing in vegetation community, eleva-tion, geology, and other attributes, experience an estimated 65–85% turnover in species composition over differences of this magnitude. We discuss the rationale for using the non-parametric estimator approach and caution that estimates can be unreliable when samples contain an insufficient portion of the community.
THE LIFE HISTORY AND MICROHABITAT ECOLOGY OF A PHYTOTELM-BREEDING DAMSELFLY PERICNEMIS STICTICA IN JATIMULYO FOREST, YOGYAKARTA Ainun Rubi Faradilla; Mariza Uthami; Bella Andini; Hening Triandika Rachman
Treubia Vol. 47 No. 1 (2020): Vol. 47, No. 1, June 2020
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v47i1.3989

Abstract

This study aims to understand the life history and microhabitat ecology of a phytotelmata-breeding species, Pericnemis stictica. Data was collected at 46 breeding sites in the Jatimulyo Forest, Kulonprogo. Several parameters were recorded from each breeding site, i.e. plant species, diameters, depth, water depth, water volume, water pH, and water turbidity. Naiads and imagoes of P. stictica were measured morphometrically. The data taken was analyzed descriptively using Minitab 19. The results showed that 17 naiads of P. stictica were found in 13 bamboo stumps. The bamboo species most commonly used by P. stictica as a breeding site was Dendrocalamus asper. Naiads of P. stictica were found in the same habitat as mosquito larva from genera Toxorh-ynchites, Aedes, Armigeres, and Culex. During the rearing process, it was recorded that P. stictica naiads can eat more than ten mosquito larvae a day. Four males and one female imagoes of P. stictica were found. The imagoes were mostly found in a secondary forest with shady ravine areas. Imago's average total length was 7.19 cm. Naiad's final instar average size was 16.7 mm. Water depth, water temperature, bamboo depth, bamboo volume, and humidity were all positively correlated to P. stictica's phytotelmata-breeding behavior.
ADDITIONAL NOTES TO MY PAPER "THE FISHFAUNA OF THE ROKAN MOUTH". Dr. J. D F HARDENBERG
Treubia Vol. 14 No. 3 (1932): Vol. 14, No. 3, 1932-1934
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v14i3.2453

Abstract

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