Rust General
Alternaria Blight General
Description The adult is a small wasp of 2 mm long. The legless white larva (2 mm long) feeds on the young green seed and inner pod wall (Fig.).
Description Young nymphs are mobile and spread by wind. Adult females are sedentary and are found in colonies. Ants are attracted to the honey dew and protect the colonies from the natural enemies.
Description 7 mm long gray-brown bugs (Fig.) have thorn-like projections on the thorax. Eggs are laid on the stem. The nymphs exude a honey dew liquid which is often used by ants.
Description Apparently legless white larvae grow to a length of more than 20 mm. A characteristic bulb at the head and thorax region (Fig.). Pupates in the tunnel in the root or stem.
Cercospora Leaf Spot General Caused by Cercospora cajani. Cool temperature (25°C) and humid weather favour the disease.
Description The adult (Fig.) is a mottled brown beetle. Eggs are laid on the pods or stored seeds. Damage symptoms
Description The moth has grey forewings with white coastal margin and the hind wings are pearly and translucent (Top Fig.). The young larvae are green but turn red later (Bottom Fig.). They feed inside the pod.
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