small, voracious, patterned bugs attacking leafy greens

Manhattan Beach, CA

about 3/8 inch long, they often move around in pairs one behind the other and reduce arugula and mizuma to withered, beige shadows of themselves. Does anyone know of an organic weapon or predator insect or plant they hate??

Thumbnail by sue1740
Deep South Coastal, TX(Zone 10a)

I think those are called harlequin bugs. Here is a link with more info, including how to kill them organically. http://www.saferbrand.com/advice/insect-library/garden-insects/all-about-harlequin-bugs/control-options

Central, TX(Zone 8b)

They also could be "tarnished plant bugs". Many are busy making more little bugs!

Your county extension office should have an entomologist on staff that can ID them from your photo.

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