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<p>Agarwood, derived from the <i>Aquilaria</i> spp, is highly valued for its use in perfumes, incense, and traditional and modern medicine. Its formation is triggered by biotic and abiotic stressors, including microbial infections and insect infestations, such <i>as Neurozerra conferta</i> (syn. <i>Zeuzera conferta</i>), a trunk-borer insect. This study aimed to rear <i>N. conferta</i> larvae in laboratory conditions to ensure a sustainable supply for agarwood induction. Larvae were kept in ventilated plastic containers under a 14-hour light/10-hour dark cycle and fed agarwood twigs, cassava root, sweet potato and an artificial diet. The results show that 20% of the larvae reached adulthood, while the others succumbed to fungal infections caused by <i>Talaromyces pinophilus</i>, identified through DNA barcoding, which were induced by elevated humidity and temperature. The highest mortality occurred at 28&#xa0;°C with 80% relative humidity. The study underscores the challenges of managing fungal infestations in rearing systems, leading to high mortality rates. Improving rearing conditions, such as better environmental control, sterilization of materials, and management of microbial invasion, is essential for ensuring a consistent supply of larvae for sustainable agarwood production. Future research will focus on optimizing these parameters, including microclimate management and propagation techniques, to enhance the resilience and survival of larvae, ensuring a reliable, year-round supply for the agarwood industry.</p>

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In vitro rearing of Neurozerra conferta walker: laboratory feasibility and core challenges

  • 期刊论文

  • 发表日期：

    2026年2月11日

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  • Md. Rubel Rana,
  • Santosh Mazumdar,
  • Md. Jakir Hossain,
  • S.M. Alauddin,
  • Md Shajedul Islam,
  • Rupak Kumar Ghosh,
  • Rakibul Islam,
  • Mohammad Jakir Hossain

摘要

Agarwood, derived from the Aquilaria spp, is highly valued for its use in perfumes, incense, and traditional and modern medicine. Its formation is triggered by biotic and abiotic stressors, including microbial infections and insect infestations, such as Neurozerra conferta (syn. Zeuzera conferta), a trunk-borer insect. This study aimed to rear N. conferta larvae in laboratory conditions to ensure a sustainable supply for agarwood induction. Larvae were kept in ventilated plastic containers under a 14-hour light/10-hour dark cycle and fed agarwood twigs, cassava root, sweet potato and an artificial diet. The results show that 20% of the larvae reached adulthood, while the others succumbed to fungal infections caused by Talaromyces pinophilus, identified through DNA barcoding, which were induced by elevated humidity and temperature. The highest mortality occurred at 28 °C with 80% relative humidity. The study underscores the challenges of managing fungal infestations in rearing systems, leading to high mortality rates. Improving rearing conditions, such as better environmental control, sterilization of materials, and management of microbial invasion, is essential for ensuring a consistent supply of larvae for sustainable agarwood production. Future research will focus on optimizing these parameters, including microclimate management and propagation techniques, to enhance the resilience and survival of larvae, ensuring a reliable, year-round supply for the agarwood industry.