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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
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Articles 6 Documents
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Search results for , issue "Vol. 39 (2012): Vol. 39, December 2012" : 6 Documents clear
SYSTEMATIC AND DESCRIPTION OF NEW SPECIES OF MAXOMYS (MURIDAE) Anang Setiawan Achmadi; Ibnu Maryanto; Maharadatunkamsi
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.20

Abstract

We review the murid rodents of the genus Maxomys from Borneo, and recognise one new species, Maxomys tajuddinii sp. nov. The type locality is Empakuq village (1o 19’ 8.11†S, 120o 6’ 8†E), Melak District, Kutai, East Kalimantan, Indonesia. Descriptive and multivariate Analyses were used to reveal the variation and distinctive characters of this new species from its closest relatives. Results depicted that the morphology of new species M. tajuddinii sp. nov. resembles that of M. whiteheadi Thomas, 1894, which occurs throughout the Borneo island. Nine characters distinguish the new species: (1) sharp demarcation on the flanks between the dorsal and ventral pelage; (2) tail slightly similar to longer than head and body length, tapered and bicoloured, brownish black on dorsal surface and creamy white on ventral surface; (3) individual hairs covering head and body long, thick, and spinous, resulting in a dense pelage; (4) brownish orange buff dorsal pelage, with long, dense, spinous, black tipped guard hairs and creamy white ventral pelage; (5) rostrum long and narrow relative to overall skull size; (6) incisive foramina narrow relative to length, with posterior margins located slightly anterior to first molar; (7) first upper molar with three roots; (8) cusp t4 complete on first and second molars; and (9) 10 – 12 scales per cm on tail. Morphologically, M. tajuddinii sp. nov. is unlike any other described species of Maxomys known to occur on Borneo. M. tajuddinii is the new species occurs in sympatry with M. whiteheadi Thomas, 1894 in peat swamp forests, logged mixed dipterocarp forests or waterlogged and periodically inundated sandy clay soil dominated by kerangas vegetation.
BUTTERFLIES RECENTLY RECORDED FROM LOMBOK Kazuma Matsumoto; Woro A Noerdjito; Endang Cholik
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.21

Abstract

Ten species of butterflies were recently recorded from Lombok, i.e., Papilio demoleus malayanus, Appias olferna, Eurema andersoni kashiwaii, Theclinesthes miskini gaura, Tirumala ishmoides linea, Acraea andromacha, Acraea terpsicore, Junonia villida, Lexias aegle miyatai and Mycalesis mineus macromalayana. Papilio demoleus malayanus, A. olferna and A. terpsicore were thought to be recent immigrants from the mainland Asia, and likewise J. villida from Australia. We could not determine whether A. andromacha, recorded by only one specimen, is a native species or a stray from Sumbawa. The other species were supposed to be native to Lombok.
THE HONEY BEES OF INDONESIA (HYMENOPTERA: APIDAE) Michael S Engel
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.22

Abstract

A brief account is provided for the native and introduced species of honey bees (Apini: Apis L.) occurring across Indonesia. Keys to the tribes of corbiculate bees and the species of the genus Apis are provided to aid melittologists and apiculturists working in the country.
MORPHOLOGICAL VARIATION IN CHIRONAX MELANOCEPHALUS (CHIROPTERA: PTEROPODIDAE) FROM INDONESIA AND DESCRIPTION OF NEW SUBSPECIES Maharadatunkamsi
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.23

Abstract

The taxonomy of small fruit bat members of the genus Chironax was examined. Morphological character, as well as statistical analyses of skull and external characters revealed that the Kalimantan population is sub-specifically different from Sulawesi and Sumatra-Jawa populations. The Kalimantan population is desribed herein as Chironax melanocephalus dyasae subsp. nov.
A LIST OF THE BUTTERFLIES OF UJUNG KULON NATIONAL PARK, JAVA, INDONESIA Djunijanti Peggie
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.25

Abstract

The occurrence of butterfly species at Ujung Kulon National Park is presented based on collection and observation data obtained in 2005, 2006 and 2010 and previous reports. As many as 101 butterfly species were recorded during the recent surveys. The data are compared with previous findings. To date, there are 177 species reported from Ujung Kulon.
TERRITORIAL AND MATING BEHAVIOURS OF TWO FLOWER-BREEDING DROSOPHILA SPECIES, D. elegans AND D. gunungcola (DIPTERA: DROSOPHILIDAE) AT CIBODAS, WEST JAVA, INDONESIA Awit Suwito; Takahide A Ishida; Kouhei Hattori; Masahito T Kimura
Treubia Vol. 39 (2012): Vol. 39, December 2012
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v39i0.24

Abstract

Drosophila elegans and D. gunungcola are closely related flower-breeding species, mainly exploiting Ipomoea flowers. Here, we report their territorial and mating behaviours in Ipomoea indica flowers at Cibodas, West Java, Indonesia. Flies of both species were almost absent from newly opened flowers in the early morning, and the number of individuals in flowers increased thereafter. Territorial males of these species fought against intruders of both species, but the frequency of fighting was significantly lower when intruders were heterospecific. Territorial males usually showed intensive courtship to conspecific females, but rarely to heterospecific females. Intensive courtship to conspecific females often led the females to desert the flowers, possibly because male’s courtship was annoying. The frequency of desertion was lower in D. gunungcola than in D. elegans. This difference may be attributable to the difference in sexual size dimorphism. Thorax size was smaller in males than in females in D. gunungcola but did not differ between the sexes in D. elegans, and therefore male courtship may be less annoying for females in D. gunungcola than in D. elegans. Copulation duration was shorter in D. elegans than in D. gunungcola, while the unreceptive period of females after copulation is shorter in D. elegans than in D. gunungcola.

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