Swallow-wortBiocontrolsPassTest

Swallow-wortBiocontrolsPassTest

Entomologists Richard Casagrande and Heather Faubert helped rid a
Rhode Island farm of cypress spurge, an invasive weed, in the late
1990s. The spurge is a pretty thing but a thug nonetheless, and
poisonous to cattle. Their weapon: a cadre of hungry beetles, biocontrol
agents so keyed into spurge they won’t eat anything else.

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