Instrumental insemination of honey bee queen. After Harbo (1985, fig. 5) Instrumental insemination of queen bees-1985. Part 1,
Am Bee J
, Volume 125, p.197–202, (1985)
[1].
See also Instrumental insemination of queen bees,
, p.28, (1970)
[2]Insemination Apparatus,
Apimondia
, p.47–58, (1989)
[3]