Morphometric variations of Apis dorsata Fabricius (Insecta: Hymnoptera: Apidae) from South Sumatra, Belitung, and West Kalimantan

Variasi morfometrik Apis dorsata Fabricius (Insecta: Hymnoptera: Apidae) dari Sumatera Selatan, Belitung, dan Kalimantan Barat

honey bees Indonesia island variations morphology traditional morphometry

Authors

  • Besse Fatimah Master of Animal Biosciences Study Program, Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia
  • Rika Raffiudin Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia https://orcid.org/0000-0002-5373-9445
  • Tri Atmowidi Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia https://orcid.org/0000-0002-2179-3914
  • Aulia Savira Master of Animal Biosciences Study Program, Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia
  • Astuti Latif Master of Animal Biosciences Study Program, Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia
  • Windra Priawandiputra
    priawandiputra@apps.ipb.ac.id
    Department of Biology, Faculty of Mathematics and Natural Science, IPB University, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia, Indonesia https://orcid.org/0000-0002-9992-7687
May 5, 2026
May 5, 2026

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Apis dorsata Fabricius is a giant forest honey bee with a wide distribution that includes Indonesia. South Sumatra, Belitung, and West Kalimantan exhibit distinct geographic and ecological characteristics that may influence the morphometric variations of this species. This study aimed to analyze the similarities and differences across various morphometric parameters of A. dorsata colonies from these three regions. A traditional morphometric approach was conducted to measure 23 morphometric parameters. A total of 120 individuals from 12 A. dorsata colonies originating from South Sumatra, Belitung, and West Kalimantan were examined. The results indicated that 12 of the 23 parameters (52.2%) differed significantly among populations. Populations from South Sumatra generally exhibited larger structural dimensions across several head, thorax, and wing parameters, whereas the Belitung populations demonstrated higher values for proboscis length and antennal socket distance. Multivariate analysis (NMDS and ANOSIM) revealed statistically significant, albeit weak, differentiation among the populations. Overall, these findings indicate the presence of localized morphometric variations across the islands, although the degree of morphological differentiation remains relatively low.