Harlequin bugs are orangeish-red and black mottled insects that can do a lot of damage on cole crops, tomatoes and potatoes when in high numbers. They feed on the plant sap, causing stippling of leaves and distortions in the heads of cabbage and brussels sprouts. Their eggs are very interesting. They lay a group of 6 barrel shaped black and white eggs on the underside of leaves. Here are some links from University of Maryland Extension and K-State Research and Extension.
https://extension.umd.edu/hgic/topics/harlequin-bug-vegetables
https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Harlequin%20Bug.pdf
https://extension.umd.edu/hgic/topics/harlequin-bug-vegetables
https://hnr.k-state.edu/extension/info-center/common-pest-problems/common-pest-problem-new/Harlequin%20Bug.pdf
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