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Treubia
Published by BRIN Publishing
ISSN : 00826340     EISSN : 2337876X     DOI : https://doi.org/10.55981/treubia
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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
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Articles 6 Documents
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Search results for , issue "Vol. 51 No. 1 (2024)" : 6 Documents clear
THE BIRDS OF THE KANGEAN ISLANDS AND AN APPRAISAL OF THEIR CONSERVATION STATUS Alex J Berryman; Cameron L Rutt; Mohammad Irham; Sebastianus (Bas) van Balen
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4681

Abstract

The Kangean islands are a biologically poorly known archipelago situated in the Java Sea, Indonesia, approximately 120 km directly north of Bali. These islands host an avifauna comprising at least 13 endemic subspecies, two of which have by some sources recently been considered species. We combine historical published literature with our own surveys of the archipelago in 2007–2008, 2010 and 2023 to produce a complete list of the islands’ birds (n=140 species) and their distribution across the islands. We evaluate in more detail the conservation status of all endemic taxa, as well as several others we consider to be of concern. Despite its listing as Vulnerable on the IUCN Red List, the endemic Kangean Tit-babbler Mixornis prillwitzi is highly tolerant of habitat degradation and is among the islands’ least threatened birds. However, because of trapping, the archipelago’s endemic taxon of Red-breasted Parakeet Psittacula alexandri kangeanensis, and its populations of Green Junglefowl Gallus varius and Common Hill Myna Gracula religiosa are likely at risk of extirpation. The endemic taxon of White-rumped Shama Copsychus malabaricus, sometimes afforded species rank as ‘Kangean Shama’ C. nigricauda, may already be (at least functionally) extinct in the main archipelago. We recommend longer and more detailed surveys of the islands’ birds, and that an effective protected area is established on main Kangean island, which hosts the largest area of remaining forest in the archipelago and most of its endemic taxa.
THE HABITAT CHARACTERISTICS OF JAVAN LUTUNG (Trachypithecus auratus) IN BANDEALIT COASTAL FOREST AT MERU BETIRI NATIONAL PARK, EAST JAVA, INDONESIA Arif Mohammad Siddiq; Hari Sulistiyowati; Nur Kholiq
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4753

Abstract

Javan lutung (Trachypithecus auratus) is an endemic primate species which mostly occurs in protected areas, such as the Bandealit Resort of Meru Betiri National Park (MBNP), East Java, Indonesia. However, scientific information related to the habitat characteristics of T. auratus in this resort is limited. Therefore, the aim of this study is to investigate the habitat characteristics of T. auratus based on the vegetation stratification in the Bandealit coastal forest of MBNP. This research was conducted in March, April, May, and September 2022 using the scan sampling methods at two sites, including Site I (Camping Ground Block) and Site II (Wisma Block). The data on tree species was collected using a plot method (40 m x 20 m). Furthermore, we used the Spatially Explicit Individual-based Forest Simulator (SexI-FS) version 2.1.0 to construct the stratification profile. Based on the results, there were 17 individuals of T. auratus found in two sites along the observation. This species is recorded as occupying seven tree species, including Alstonia scholaris, A. spectabilis, Calophyllum inophyllum, Dracontomelon sp., Pongamia pinnata, Syzigium sp. and Terminalia catappa. According to stratification, T. auratus was found in Stratum B (21-30 m) to Stratum C (5-20 m) at all sites. Furthermore, this species was widely distributed in Stratum C for locomotion, foraging, social activities and self-protection. Meanwhile, T. auratus was observed using A. spectabilis in Stratum B as a sleeping tree in the afternoon and evening. These results can be the basis for in-situ conservation strategies for T. auratus species in MBNP, particularly for habitat management based on occupied vegetation.
NEW DISTRIBUTION RECORD OF Opisthostoma platycephalum (CAENOGASTROPODA: DIPLOMMATINIDAE) FROM PADANG BINDU KARST, SOUTH SUMATRA, INDONESIA Latifah Nurul Aulia; Reni Ambarwati; Ayu Savitri Nurinsiyah
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4770

Abstract

A fauna expedition has been conducted in Padang Bindu Karst, South Sumatra in 2021. Among the collected samples, a total of 111 specimens of Opisthostoma platycephalum (Caenogastropoda: Diplommatinidae) were collected from five sampling plots. This discovery is the first record of the land snail species in the southern of Sumatra island, as previous research only recognized its presence in Aceh, North Sumatra, and Peninsular Malaysia. This discovery contributes to the understanding of the biodiversity of South Sumatran land snails and highlights the importance of protecting limestone habitats.
ADULT LONGEVITY OF Idea blanchardii (LEPIDOPTERA: NYMPHALIDAE) CAPTIVE BRED AT LIPI BUTTERFLY BREEDING FACILITY, CIBINONG, INDONESIA Djunijanti Peggie; Supadi
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4774

Abstract

Idea blanchardii is one of many endemic butterfly species in Sulawesi, Indonesia. This species is among the highly traded butterfly species thus requires biological information on the captive breeding. The aim of this study was to obtain data on the adult life-span, to report the multivoltine generation, and to provide conservation-related insight. Captive breeding research on this species was conducted within the period of September 2018 until February 2020. The host plant, Parsonsia alboflavescens, was used to support the life of this species for ovipositing and larval food plant. The adults would visit almost any flowers available at the facility. In total, 696 individuals were observed. Data on mating information of the species is presented here. Observations on when a female lays eggs are also revealed. This research showed that I. blanchardii is polygamous and polyandrous. Individuals of this species could live much longer than other butterfly species. A few could live over 80 days and one still seen laying eggs at the age of 136 days old.
NOTES ON THE ROSEATE TERN Sterna dougallii BREEDING IN KARIMUNJAWA ISLANDS, JAVA, INDONESIA Hary Susanto; Imam Taufiqurrahman; Tulus Wicaksono Bayu Aji
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

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

Abstract

Roseate Tern Sterna dougallii is a rare to uncommon resident and migrant species in Greater Sundas, with only a handful records in Java. On 24 May 2021, a nest containing a single egg of the species was found in Karang Ketel islet, Karimunjawa Islands and constitute the first breeding record of Roseate Tern in the area, filling the breeding information gap of the species in Java for about 80 years since it first reported. Follow up surveys after the findings carried out for three consecutive years from May 2021-June 2023, reveals the species regularly breeding in three locations, i.e., Karang Ketel islet, Karang Kapal islet, and Krakal Besar I. Breeding recorded from May to August, with only small colony of 2-20 birds present.
ANT SPECIES DIVERSITY (HYMENOPTERA, FORMICIDAE) IN THE PURWODADI BOTANICAL GARDENS, EAST JAVA, INDONESIA Fuminori Ito; Seiki Yamane; Katsuyuki Eguchi; Woro A Noerdjito; Erniwati; Sih Kahono
Treubia Vol. 51 No. 1 (2024)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i1.4759

Abstract

The ant species diversity in tropical Asia has been investigated in several locations, however, these studies mainly focused on well preserved forests or plantations. The ant fauna in urban parks has only been investigated in a limited number of locations in Singapore, Hong Kong, Macao, and Indonesia. We investigated the ant fauna in the Purwodadi Botanical Gardens, East Java, and compared it to the ant fauna obtained in the Bogor Botanical Gardens. In the Purwodadi Botanical Gardens, we employed the following sampling methods that were also carried out in Bogor: (1) visual searching of ants on tree trunks, (2) visual searching of litter and top-soil ants by hand sifting (3) visual searching of ant colonies, (4) visual searching of foraging workers. In total, 109 species in 44 genera from 9 subfamilies were collected. The number of species collected from litter and soil in Purwodadi was remarkably smaller than that in Bogor, while the ant species diversity on tree trunks was similar to that of Bogor. Of the109 species, 68 were common to Bogor. Arboreal ants were more similar than ground ants between Bogor and Purwodadi.

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