Most larvae are either leaf-chewing and caterpillarlike, or maggotlike leaf miners that cause leaf blisters or leaf blotches.
(Most larvae; are; either leaf-chewing and caterpillarlike, or maggotlike leaf miners) (maggotlike leaf miners; cause; leaf blisters or leaf blotches)
Most larvae maggotlike leaf miners
are cause
either leaf-chewing and caterpillarlike, or maggotlike leaf miners
leaf blisters or leaf blotches