GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on April 1, 2021
I've come to the conclusion that this a species of aphids! They aren't pale or brown/orange like the average aphid, but are black and known to like onions. So, I'm giving you a link that explains how to eliminate them naturally, and hope this helps: https://www.gardeningknowhow.com/plant-problems/pests/insects/homemade-aphid-control.htm
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