Frost damage on potato
Vegetable
Frost damage on potato
Flea beetle feeding damage on a young chard plant
Adult flea beetle next to feeding damage
Zebra chip symptoms on potato tubers - USDA
Zebra chip symptoms on not fried (left) and fried (right) potato chips - USDA
Purple-red color of progressed psyllid yellows
Symptoms of psyllid yellows first show up as slight yellowing or purpling
As the condition progresses the entire plant top changes to a yellowish-green or purple-red color
Close up of a psyllid nymph on a tomato leaf
A psyllid nymph found on the underside of a tomato leaf about two weeks ago in Kaysville, Utah
Thrips frass occurs as dark tarspots which can contaminate fruit