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Ibnu Maryanto
Division of Zoology, Research Center for Biology, Indonesian Institute of Sciences

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NEW SPECIES OF LEOPOLDAMYS (MAMMALS, RODENTIA: MURIDAE) FROM KALIMANTAN AND JAWA Ibnu Maryanto; M. H. Sinaga
Treubia Vol. 36 (2008): Vol. 36, December 2008
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v36i0.102

Abstract

During May-June 2008 survey an individual Leopoldamys was caught withbicolored tail sharply demarcated between the upper and lower part from Haju Maruwaiarea in Kalimantan. Following this two more specimens from the MZB collection werefound with individual bicolor tails from Bukit Baka National Park West Kalimantan andCibodas Botanical Garden Gede Pangrango, West Jawa. Comparative study on theexternal characters and skull measurements with L. sabanus, L. edwardsi and L.siporanus from Kalimantan, Jawa and Sumatra and adjacent islands (using invariable,multivariate and discriminant analysis), revealed significant differences between thenew Leopoldamys sp and established L. sabanus, L. edwardsi and L. neilli from Jawa,Kalimantan, Sumatra and adjacent islands. On the basis of these characteristicdifferences we described it as Leopoldamys diwangkarai sp nov and its exposition isdiscussed.
MORPHOLOGICAL VARIATION OF THE THREE SPECIES FRUIT BAT GENUS MEGAEROPS FROM INDONESIA WITH ITS NEW DISTRIBUTION RECORD Maharadatunkamsi Maharadatunkamsi; Ibnu Maryanto
Treubia Vol. 32 No. 1 (2002): Vol. 32 No. 1, August 2002
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v32i1.591

Abstract

Morphological variation in the fruit bat Megaerops spp. from five islands in Indonesia were examined. Univariate and multivariate statistical analyses based on 19 skull characters and 12 external body chcracrers from 32 adult specimens were conducted to examine morphological variation. Multiple regression analysis on the three species examined indicated that there were not sexually dimorphic in both skull and external body characters. Between these species examined showed a marked distinction, as detected by using discriminant function analysis, Specimens of Megaerops from Bali and Lombok were not morphologically distinct from M. kusnotoi, while our additional Sumatran Megaerops were morphologically similar to M. w. albicollis. This is the first report of M. kusnotoi from Bali and Lombok, and for M. w.albicollis from Sumatra.
INTRA SPECIFIC VARIATION OF THE SPOTTED-WINGED FRUIT BAT Balionycteris maculata (THOMAS, 1893) (CHIROPTERA, PTEROPODIDAE) FROM SUMATERA, .INDONESIA Ibnu Maryanto
Treubia Vol. 33 No. 1 (2003): Vol. 33 No. 1, December 2003
Publisher : BRIN Publishing (Penerbit BRIN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v33i1.586

Abstract

The spotted winged bat (Balionycteris maculala) is recorded for the first time in Sumatra, Indonesia. The morphoiogy of 13 specimens from Sumatra was compared with that of specimens from Durian (Riau Archipelago) and Kalimantan-lndonesia. Univariate and multivariate analyses show that the Sumatran population is both significantly smaller in a number of characters and some differences in shape occur between Sumatran and Kalimantan specimens. The Sumatran population is similar in morphology to that of Durian Island. The Sumatran and Durian island specimens are referred to as Balionycteris maculata seimundi.
Co-Authors M. H. Sinaga Maharadatunkamsi Maharadatunkamsi