The presence of pest on the final product affecting the color and shape of the product is called cosmetic effects. Pest damage to crops or livestock causes losses in yields or in the quality of product which results in loss of revenue to the farmer like I suffered due to my delay in harvesting.
Delay in harvesting induce attractants or pheromones-particular odors emitted, to which the pest respond positively and feed on product of which in case of fruits ease in seeds dispersal.