noun
Nosema bombycis (microsporidian parasite causing pebrine)
Scientific name for the pathogen responsible for pebrine disease in silkworms. Used in sericulture and parasitology contexts.
See also: 微粒子病
微粒子病原体はカイコの微粒子病の原因となる寄生虫である。
Nosema bombycis is the parasite that causes pebrine disease in silkworms.
微粒子病 is the disease (pebrine), while 微粒子病原体 refers specifically to the causative agent, Nosema bombycis.
Compound of 微粒子 (fine particle) + 病原体 (pathogen), describing the microsporidian nature of the organism.