If you grow a crop that is a host for TPP, look for insect life stages on the underside of leaves and signs of leaf damage.
Tomato potato psyllid under leaf
Check for the tomato potato pysllid on the underside of leaves. The more mature adults are darker in colour. Nymphs are 2 mm long, oval shaped, flattened and scale-like in appearance. Psyllid eggs are less than 1 mm long and are white when first laid, then turn yellow to orange after a few hours.
Check for the tomato potato pysllid on the underside of the leaf.
Symptoms of Tomato potato psyllid infestation include yellowing of leaf margins and upward curling of the leaves.
Tomato potato psyllid, Bactericera cockerelli, comparison with five cent coin.