Allium Leaf minors?
I suspect these black bugs are leaf minors. If this is correct is there any help? The same bugs decimated my chives in the spring. Thanks for your help.Barbara
Baltimore County Maryland insect or spider id
These are aphids, not leaf miners. Take a look at our webpage about aphids, which includes information on their life cycle and the best methods to control them. https://extension.umd.edu/hgic/aphids-trees-and-shrubs