Most adult thrips are slender, elongate, minute, and range in color from white, yellow, dark brown, or black
Vegetable
IYSV symptoms include bleached spots on leaves that sometimes have a green center
TSWV symptoms include necrotic spots on the upper sides of young leaves - Cornell University
Seedcorn maggot life stages and damage - Art Cushman, USDA Systematics Laboratory, Bugwood.org
Seedcorn maggot present in a seed
Seedcorn maggot infested cabbage (left) - Clemson University, USDA Cooperative Extension Slide Series, Bugwood.org
Progressive onion maggot damage to onions
Cabbage maggot damage on a young cabbage plant - Mary Ann Hansen, Virginia Polytech, Bugwood.org
Seedcorn maggot present in an underground stem
Chlorotic symptoms of downy mildew on spinach leaves - Cornell University
Gray fungal growth symptoms of downy mildew on underside of spinach leaf - Cornell University