Insects· 2026Q1
Baseline Detection of Honey Bee Viruses and Nosema ceranae in Apis Species from Cambodia and Laos
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- Q1SCImago
- 2026year
Short summary
Six viruses (ABPV, BQCV, DWV-A, IAPV, KBV, LSV) and Nosema ceranae were detected in Apis cerana and Apis mellifera colonies in Cambodia and Laos, with low overall frequencies.
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Key points
- Six viruses (ABPV, BQCV, DWV-A, IAPV, KBV, LSV) and Nosema ceranae were detected in Apis cerana and Apis mellifera.
- Detection frequencies for these pathogens were low across the sampled colonies.
- No pathogens were detected in Apis dorsata or Apis florea, but sample sizes were very small.
- Sequencing confirmed viral isolates were similar to known Asian strains.
AI-generated from the title and abstract; the full text is not read.
Abstract
Honey bees provide essential pollination services in natural and agricultural ecosystems, yet little is known about honey bee-associated pathogens in Cambodia and Laos. Here, we screened 53 colonies from 10 sites, including Apis cerana (n = 28), A. mellifera (n = 18), A. dorsata (n = 4), and A. florea (n = 3), for common honey bee viruses and the microsporidian Nosema ceranae using PCR and RT-PCR assays. Six viruses—acute bee paralysis virus, black queen cell virus, deformed wing virus type A, Israeli acute paralysis virus, Kashmir bee virus, and Lake Sinai virus—and N. ceranae were detected in A. cerana and A. mellifera, with overall low detection frequencies across sites. No targets were detected in A. dorsata or A. florea; however, the limited sample sizes for these species restrict interpretation of absence. Partial gene fragment sequences showed similarity to previously reported Asian isolates, indicating consistency with known regional viral diversity. These findings provide baseline detection data for honey bee-associated pathogens in Cambodia and Laos and support the need for expanded sampling across host species and seasons to better characterize pathogen occurrence in the region.
The authors' abstract, as published at the source. Insects, 2026 · DOI ↗
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Field: Insect Science
Insect ScienceAgricultural and Biological Sciences