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All Journal Journal of Tropical Life Science : International Journal of Theoretical, Experimental, and Applied Life Sciences Journal of Tropical Biodiversity and Biotechnology TREUBIA ZOO INDONESIA Zoo Indonesia
Shahroni, Abdul Mutholib
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Other

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FIRST LOCALITY RECORD OF JAVAN ENDEMIC DAMSELFLY DREPANOSTICTA GAZELLA LIEFTINCK, 1929 (ODONATA: ZYGOPTERA: PLATYSTICTIDAE) IN EAST JAVA, INDONESIA Shahroni, Abdul Mutholib; Rahma, Nabila
ZOO INDONESIA Vol 32, No 1 (2023): Juli 2023
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v32i1.4616

Abstract

Drepanosticta gazella has been reported only to spread on Java Island, Indonesia, to be exact, in the western and central parts. An accidental encounter with a male D. gazella occurred in the tropical rainforest of the highlands of Mount Penanggungan, Mojokerto, East Java, on vegetation near a small stream. This record represents the easternmost area within the distribution range of this endemic species. In addition, further exploration in East Java at several important locations needs to be carried out in order to determine the expansion of its distribution. Keywords: Distribution, Drepanosticta, Java, odonata, range expansion 
Comparison of Soil Arthropod Diversity and Community Structure in Various Types of Land Cover in Malang Region, East Java, Indonesia Yanuwiadi, Bagyo; Suharjono, Suharjono; Kurniawan, Nia; Fathoni, Muhammad; Nurrofik, Agus; Assiddiqy, Miftah Farid; Shahroni, Abdul Mutholib
Journal of Tropical Biodiversity and Biotechnology Vol 8, No 3 (2023): December
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jtbb.79496

Abstract

Land cover heterogeneity can affect the structure of biodiversity in the supplied niche, so it is necessary to know the taxa community. This study aimed to understand the effect of land cover variation on the diversity and community structure of soil arthropods. The types of habitats used include urban areas, agroforestry, gardens, and natural forests which are determined in the Malang Region, East Java, Indonesia. Hand sorting and hay bait traps were applied in this study to obtain a variety of arthropod soils and the Berlese-Tullgren funnel was used to extract them. As a result, there are 25 families from 15 orders collected based on their ecological roles. The abundance of Philoscidae in sites S1 and S2 (urban green space), Talitridae in site S6 (agroforestry), and Isotomidae in sites S3, S4, and S5 (highland mixed forest) was highest and dominant. Site S7 has the highest diversity (H' = 2.56; 1-D = 0.90; J' = 0.76) even though its family richness is lower. The site S3 counter-site had relatively high taxa richness (TR = 13), but low diversity (H' = 1.02; 1-D = 0.39; J' = 0.16). Based on clustering analysis and NMDS ordination, 3 classifications of habitat types were obtained, namely I (S6 & S7), II (S3, S4 & S5), and III (S1 & S2). Mixed forest habitats contain a more complex diversity of soil arthropods, which can serve as a model for improving the fertility of disturbed ecosystems. 
FIRST LOCALITY RECORD OF JAVAN ENDEMIC DAMSELFLY DREPANOSTICTA GAZELLA LIEFTINCK, 1929 (ODONATA: ZYGOPTERA: PLATYSTICTIDAE) IN EAST JAVA, INDONESIA Shahroni, Abdul Mutholib; Rahma, Nabila
ZOO INDONESIA Vol 32, No 1 (2023): Juli 2023
Publisher : Masyarakat Zoologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52508/zi.v32i1.4616

Abstract

Drepanosticta gazella has been reported only to spread on Java Island, Indonesia, to be exact, in the western and central parts. An accidental encounter with a male D. gazella occurred in the tropical rainforest of the highlands of Mount Penanggungan, Mojokerto, East Java, on vegetation near a small stream. This record represents the easternmost area within the distribution range of this endemic species. In addition, further exploration in East Java at several important locations needs to be carried out in order to determine the expansion of its distribution. Keywords: Distribution, Drepanosticta, Java, odonata, range expansion 
RECORD OF TWO ENDEMIC DAMSELFLIES FROM OBI ISLAND, MOLUCCAS, INDONESIA WITH HABITAT DESCRIPTION Harahap, Raja Rhamdany; Shahroni, Abdul Mutholib
TREUBIA Vol 51, No 2 (2024)
Publisher : National Research and Innovation Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/treubia.v51i2.4773

Abstract

Obi Island as part of the Wallacea region has a variety of fauna with limited information such as Odonata taxa. In observations conducted in lowland secondary forests, two endemic damselflies were discovered, namely Argiolestes obiensis and Drepanosticta obiensis. Both species have habitat preferences for rocky streams with dense vegetation in the forest. In addition to habitat information, the first photograph of both species from the field was obtained in this study. This information is useful for data deficient species.
Life History and Immature Stages of the Malay Birdwing Butterfly, Troides amphrysus, and a New Larval Host Plant from Java, Indonesia: Life history, immature stages, and new larval hostplant of the Malay Birdwing butterfly Shahroni, Abdul Mutholib; Bagyo, Yanuwiadi; Djunijanti, Peggie
Journal of Tropical Life Science Vol. 15 No. 3
Publisher : Journal of Tropical Life Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11594/jtls.15.03.04

Abstract

Troides amphrysus (Cramer, 1779) is one of the iconic birdwing butterflies widely distributed from the Malay Peninsula to Java, Indonesia. Although this species is widespread, comprehensive information on its immature stages and larval development remains poorly studied. This study aims to document the complete immature stages and analyze the developmental biology of T. amphrysus on Java Island. Observations were conducted in the coastal forests of South Malang, East Java, Indonesia. Between July and December 2023, a two-week field inspection was conducted to collect eggs and larvae (L). Captive rearing of all samples was carried out in the laboratory to measure the life cycle duration and body length. The results showed that the period to complete the immature stage lasted an average of 74.6 days, with the instar L3 being the longest. Larval growth followed a sigmoid pattern, with the most variation occurring at instars L2–L3, indicating a potentially sensitive stage influenced by environmental and genetic factors. The instar head capsule size ranges from 1.0 mm (L1) to 7.0 mm (L5). Additionally, this study reports Aristolochia zollingeriana as a new host plant record for T. amphrysus on Java Island. This finding highlights the importance of conserving coastal forest habitats and host plants of the Aristolochiaceae family to sustain the T. amphrysus population. New insights into developmental biology, the importance of coastal forest habitats, and the ecological availability of larval host plants for T. amphrysus have been highlighted in this study. Thus, it can support conservation strategies to maintain the long-term survival of this protected butterfly species in Java.
Co-Authors Assiddiqy, Miftah Farid Bagyo Yanuwiadi Bagyo, Yanuwiadi Djunijanti, Peggie Harahap, Raja Rhamdany Muhammad Fathoni, Muhammad Nia Kurniawan Nurrofik, Agus Rahma, nabila Suharjono, Suharjono