Heat spot is caused by

A. Rhizopertha dominica

B. Callosobrochus chinensis

C. Tribolium castaneum

D. Sitophilus oryzae

Answer: Option D

Solution(By Examveda Team)

Heat spot is caused by Sitophilus oryzae.
The rice weevil or Sitophilus oryzae is a stored product pest that attacks seeds of several crops, including wheat, rice, and maize.
Larva as well as the adult cause damage to grains. Larvae feed inside the seed and make it hollow and exit by making a circular hole on the surface. Adults can damage several seeds by cutting an irregularly lined circular hole, through which they feed on the kernel.