<< Honey bees that guard hive entrances are twice as likely to allow in trespassers from other hives if the intruders are infected with the Israeli acute paralysis virus, a deadly pathogen of bees, >>
<< It seems that the virus is changing how the bees smell, and perhaps the infected bees also are behaving in a way that is meant to appease the guards by engaging more in trophallaxis (a process by which honey bees exchange regurgitated food and other liquids), >> Adam Dolezal
Diana Yates. Virus-infected honey bees more likely to gain entrance to healthy hives. University of Illinois at Urbana-Champaign. April 27, 2020.
https://phys.org/news/2020-04-virus-infected-honey-bees-gain-entrance.html
Amy C. Geffre, Tim Gernat, et al. Honey bee virus causes context-dependent changes in host social behavior. PNAS doi: 10.1073/pnas.2002268117. Apr 27, 2020.
https://www.pnas.org/content/early/2020/04/21/2002268117
keyword 'trophallaxis' in Britannica
https://www.britannica.com/search?query=Trophallaxis
