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Updated: Aug 2, 2026

Preparation of Virus-Enriched Inoculum for Oral Infection of Honey Bees (Apis mellifera)
06:41

Preparation of Virus-Enriched Inoculum for Oral Infection of Honey Bees (Apis mellifera)

Published on: August 26, 2020

Prevalence and transmission of honeybee viruses

Y P Chen1, J S Pettis, A Collins

  • 1Bee Research Laboratory, USDA-ARS, Bldg. 476, BARC East, Beltsville, MD 20705, USA. chenj@ba.ars.usda.gov

Applied and Environmental Microbiology
|January 5, 2006
PubMed

Insights

Honeybee queens can transmit viruses to their offspring. This study provides the first evidence of vertical transmission for six common honeybee viruses, impacting colony health.

Area of Science:

  • Apiculture
  • Virology
  • Insect Pathology

Background:

  • Honeybee colonies are susceptible to numerous viral pathogens.
  • Understanding virus transmission is crucial for bee health and colony survival.

Purpose of the Study:

  • To investigate the transmission mechanisms of six honeybee viruses.
  • To determine if honeybee queens transmit viruses to their offspring.

Main Methods:

  • Reverse transcription-PCR (RT-PCR) was used to detect viruses.
  • Virus presence was analyzed in queen feces and various tissues (hemolymph, gut, ovaries, spermatheca, eviscerated body).
  • Offspring (eggs, larvae, adult workers) were tested for virus presence.

Main Results:

  • Queens tested positive for viruses in feces and five of six tissues examined.
  • Viruses detected in queens were also found in their eggs, larvae, and adult workers.
  • Presence of viruses in queen ovaries and offspring eggs/larvae indicates vertical transmission.

Conclusions:

  • This study presents the first evidence of vertical virus transmission from honeybee queens to their offspring.
  • Vertical transmission is a significant pathway for honeybee virus dissemination within colonies.
  • Findings highlight the importance of queen health in preventing virus spread.

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