Definition of superparasitism in US English:

superparasitism

noun

Biology
  • 1Parasitism of one parasitic organism on another; = "hyperparasitism". rare.

  • 2Chiefly Entomology. Parasitism of an individual host by more than one parasite or parasitoid of the same species.

Origin

Late 19th century; earliest use found in The Century Dictionary. From super- + parasitism.