Medicinal Yam
Aphids
Symptoms of damage
Identification of pest
Globular yellowish green to brown or black in colour.
Management
Red spider mite
Symptoms of damage
Identification of pest
Nymphs and adults are red in colour.
Eggs are laid on the ventral surface of the leaves and are whitish, spherical in shape
Management
Source: https://agritech.tnau.ac.in/