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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 781 Documents
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A TRIBUTE TO PROF. DR. LAMBERTUS JOHANNES TOXOPEUS, A CENTURY OF APPRECIATION Tati Suryati Syamsudin; Djunijanti Peggie; W. John Tennent; Djoko Iskandar
Treubia Vol. 52 No. 1 (2025): Treubia 52 (1)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/treubia.2025.13331

Abstract

Prof. Dr. Lambertus Johannes Toxopeus, a Dutch entomologist, was born, worked, and died in Indonesia. He was a Lepidoptera specialist and has published 68 papers, describing two tribes, five subtribes, 26 genera and 147 butterfly species or subspecies between 1922-1951. We gleaned from the literature that he was honored hi eponyms in one family, seven genera and at least 169 species or subspecies, mostly arthropods, but also a reptile, birds, mammals, mollusks, and plants. This represents an average of one to two species named after him every year during the last 100 years, mostly collected by himself from very fruitful expeditions throughout Sundaland, Buru Island and the highland of Papua Province, Indonesia. His work contributed significantly to knowledge of on Southeast Asian biodiversity.
DIVERSITY OF BATS (CHIROPTERA) IN VARIOUS HABITATS IN BUALEMO SUB-DISTRICT, CENTRAL SULAWESI, INDONESIA Ummu Muthi'ah Ramadhana; Riska Khairiah; Masrianih; Yulia Windarsih; Riski Aprianto; Alpon Katili; Ansar Sayende; Lili Shafdila Nursin; Ellena Yusti
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Bats play an important role in ecosystems as pollinators, seed dispersers, and insect pestcontrollers. Indonesia has the highest bat diversity in Southeast Asia, with Sulawesi as a globalendemicity hotspot. However, data from Central Sulawesi remain limited, particularly amid threats ofhabitat degradation and hunting toward bats. This study aims to assess the diversity and habitatpreferences of Yangochiroptera and Yinpterochiroptera in Bualemo sub-district, Central Sulawesi. Datawere collected for 31 nights in June and July 2024 using mist nets and harp traps across plantationsnear cave, plantations, secondary forests, and rivers. A total of 474 individuals from 5 families and 23species were identified. Yangochiroptera consisted of 113 individuals from 4 families and 13 species.Meanwhile, Yinpterochiroptera consisted of 361 individuals from one family and 10 species, withCynopterus luzoniensis and Rousettus amplexicaudatus as the most frequently found species. TheShannon-Wiener diversity index (H' = 1.534-2.210), indicating moderate diversity, while the evennessindex (E = 0.489-0.705), suggesting more balanced distribution in vegetated habitats.Yinpterochiroptera were mainly found in plantations rich in food sources, such as Ficus trees, whileDobsonia exoleta and Harpyionycteris celebensis were restricted to secondary forests. Yangochiropteradisplayed distinct habitat preferences. Rhinolophus sp.a dominated plantations near cave, whereasRhinolophus sp.b occurred only in secondary forests. These preferences were influenced by foodavailability, vegetation structure, and environmental conditions such as rainfall and moon phase. Thesefindings emphasize the importance of conserving various habitat types to maintain the diversity andstability of bat populations, while raising public awareness of their ecological role.  
PREDATION OF THE ORIENTAL NARROW-MOUTHED FROG (Microhyla orientalis Matsui, Hamidy, and Eto, 2013) BY THE FRESHWATER CRAB (Parathelphusa convexa De Man, 1879) IN JAVA, INDONESIA Rury Eprilurahman; Cahyandra Anggoro; Hastin Asti; Noorman Fauzy; Boggy Sanjaya
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

We report the first documented observation of predation by the freshwater crab Parathelphusaconvexa on the Oriental narrow-mouthed frog Microhyla orientalis in Indonesia. The event occurred ina rice field in Sleman, Daerah Istimewa Yogyakarta, at night, providing direct evidence that P. convexacan act as an opportunistic predator of small anurans inhabiting agricultural wetlands.
COMMUNITY PATTERNS OF GROUND-DWELLING INSECTS ACROSS A CANOPY COVER GRADIENT IN A TROPICAL CAMPUS LANDSCAPE Astihawa Indah Setiani; Muhammad Ridwan; Firnandez Ngariswara Vidsia Sadana; Moh Reza Sese; Puji Rianti; Windra Priawandiputra; Tri Atmowidi
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Canopy cover influences soil surface microhabitats and may affect the structure of ground-dwellinginsect communities, yet evidence from plantation-dominated landscapes remains limited. This studyexamined ground-dwelling insect community patterns in relation to canopy cover and selectedenvironmental variables across three sites within the IPB Dramaga Campus: Arboretum (83.91%), OilPalm (71.91%), and Cikabayan (0.00%). Canopy cover was quantified using hemisphericalphotography, and insects were sampled using pitfall traps over five consecutive days in July 2024.Community composition was analyzed using PERMANOVA, which indicated no significant differencesamong sites (R = 0.861, p = 0.067). Non-metric Multidimensional Scaling (NMDS) was thereforeapplied as an exploratory ordination to visualize community patterns and interpreted descriptively giventhe limited sample size. A total of 1,711 individuals were recorded, with overall abundance highest inthe Oil Palm site, followed by Cikabayan and the Arboretum. The Arboretum exhibited lower totalabundance but higher evenness and Shannon diversity, whereas the Oil Palm site showed highabundance with lower diversity and evenness, reflecting dominance by a few families. Cikabayandisplayed intermediate diversity patterns. Differences among sites were primarily reflected in relativeabundance and dominance rather than clear taxonomic turnover. Overall, canopy structure wasassociated with variation in ground-dwelling insect assemblages, although statistically significantcompositional differences were not detected, highlighting the need for broader spatial and temporalsampling before firm management recommendations can be made.
TARGETED SURVEY AND REDISCOVERY EFFORT OF Papilio lampsacus, JAVAN ENDEMIC AND ENDANGERED BUTTERFLY SPECIES Djunijanti Peggie; Imti Yazil Wafa; Nabila Rahma; Lutfi Irwansyah; Fariq Izzudien Ash Shidiq; Yohanes Agus Soenarko; Teguh Teguh; Abdul Mutholib Shahroni
Treubia Vol. 52 No. 1 (2025): Treubia 52 (1)
Publisher : BRIN Publishing (Penerbit BRIN)

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Abstract

Based on historical records and current data, this study examined the presence of Papilio lampsacus, a rare butterfly species in Java. From January to May 2024, four surveys were conducted at multiple sites in the Greater Bandung region of West Java. The natural forest edges and nearby agricultural landscape, where possible host and nectar plants are present, may indicate the possibility of finding the species. Despite repeated surveys under various weather conditions, no photographic evidence of P. lampsacus was obtained. However, brief visual encounters were recorded that were consistent with the species' appearance and flight patterns. Habitat assessments indicate the adverse effects of ongoing forest degradation and intensive pesticide use in agricultural areas adjacent to natural forests on butterflies. This study does not provide conclusive evidence confirming the existence of P. lampsacus. This highlights the importance of targeted long-term surveys, combined with well-managed habitats. These findings may serve as a basis to improve future monitoring approaches and conservation efforts for P. lampsacus and other rare butterflies.
NOTES ON THE NOMENCLATURE AND THE TYPE LOCALITIES OF HOVER WASPS (INSECTA, HYMENOPTERA, VESPIDAE, STENOGASTRINAE) DESCRIBED AFTER 1999, WITH A REVISED SPECIES CHECKLIST Jun-ichi Kojima; Fuki Saito-Morooka
Treubia Vol. 52 No. 1 (2025): Treubia 52 (1)
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/treubia.2025.13585

Abstract

Availability under the International Code of Zoological Nomenclature (“the Code”) of the species-group names of hover wasps (vespid subfamily Stenogastrinae) described after 1999 is assessed. All names are proved to be available, though some of them are dubious in their availability if we apply unusually strictly the regulation on the depository of name-bearing type specimens in the Code. Their name-bearing type specimens are commented and discussed from the point of suitability of the “type locality” in the modern taxonomic work. They are also commented from the point of view of the Convention on Biological Diversity (CBD) and the Nagoya Protocol on Access to Genetic Resources and the Fair and Equitable Sharing of Benefits Arising from their Utilization (ABS). A revised species checklist of the Stenogastrinae is given as an appendix.
DECAPOD INVENTORY UNVEILING SPECIES RICHNESS AN DISTRIBUTION IN THE LAMPUNG REGION, INDONESIA Muhammad Khalid Yudhistiro; Windra Priawandiputra; Achmad Farajallah
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
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Indonesia is recognized as one of the world’s centers of crab diversity, with approximately 1,400species of Brachyura and an estimated 210–300 species of Anomura. However, the data on crabdiversity is sparse and understudy in some areas. This study aims to assess the richness and distributionof crabs in Lampung region. Survey was conducted in Tanggamus, the West Coast of Lampung, andEast Lampung using purposive sampling approach. A total of 23 crab species from six families wererecorded from Lampung region. Tanggamus exhibited the highest species diversity compare to WestCoast and East Lampung. The member of family Xanthidae was frequently observed across all threeregions. Further studies are recommended to examine ecological drivers, climate change impacts, andanthropogenic pressures influencing crab distribution to support effective conservation strategies.
NEW DISTRIBUTION OF SPOTTED GARDEN EEL Heteroconger guttatus ALLEN, ERDMANN & MONGDONG, 2020 (ANGUILLIFORMES, CONGRIDAE, HETEROCONGRINAE) FROM SAPARUA ISLAND, THE MOLUCCAS, INDONESIA Nadia Mahriza; Gino Limmon; Ahmad Kadafi; Abigail Moore; Kunto Wibowo
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
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Abstract

Two specimens of garden eel (384.3–398.0 mm total length) were collected from Saparua Island,the Moluccas, Indonesia, and identified as Heteroconger guttatus Allen, Erdmann & Mongdong, 2020.These specimens represent the westernmost record of this species, which was previously only knownfrom its type locality in Venu Island, West Papua Province, Indonesia.
NOVEL AVIFAUNAL INVENTORY OF GUNUNG Q, AN OVERLOOKED OUTLYING MOUNTAIN RANGE IN PAPUA, INDONESIA Mohammad irham; Yong Chee Keita Sin; Chen Xi Sng; Johan Gustiar Imbenai; Mochtar Tanassy; Frank E. Rheindt
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
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Abstract

Papua is the second-largest island on earth and a major centre of biodiversity, but remainsunderexplored. The island’s montane fauna is particularly rich in endemic species, but most of itsexploration has historically focused on the main cordillera that stretches across the island from east towest. Exploration of a number of smaller, isolated outlying mountain ranges has recently produced asubstantial amount of new species discovery. We explored the avifauna of Gunung Q, an isolatedoutlying mountain in the province of Papua (Jayapura) rising to ~1800m, with no topographicconnection to any nearby mountain range. To the best of our knowledge, Gunung Q has never previouslybeen inventoried by biologists. Our fieldwork, which encompassed exploration of the mountain only upto ~1100m, produced various new regional records and suggests that Gunung Q has the potential forsubstantial undiscovered endemism at higher elevations.
Cover and Preface Volume 52 Number 2 (2025)
Treubia Vol. 52 No. 2 (2025): Treubia, 52(2)
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