Which of the following laboratory host is used for the multiplication of egg parasitoids

Answer: Option C

Corcyra cephalonica is the laboratory host used for the multiplication of egg parasitoids.
In India, the rice moth, Corcyra cephalonica (Stainton), is used as the laboratory host of Trichogramma and other biocontrol agents. Eggs of C. cephalonica were found to be superior to other hosts in the quality of mass-reared parasitoids.
Biological control is a safer and environmentally sustainable method for managing harmful insect pests, entailing the production and distribution of natural enemies in the ecosystem to control insect populations.