This Matter of Phylloxera (Part II)

About one year ago, (WOMC Newsletter, June 1991), we wrote about the deadly root-burrowing louse, phylloxera vastatrix. We in­cluded the article as a history les­son. During the latter half of the 19th century, the parasite, which is of American origin, devastated millions of acres of vineyards around the globe. It was brought under control by… read more »

This Matter of Phylloxera

Of the many natural enemies of the vine, one is the most destruc­tive. It is a parasitical insect, the root-burrowing plant louse, phyl­loxera vasatrix. Many varieties of grape vines are fatally susceptible to its attack. Although phylloxera apparent­ly has always lived in the eastern United States, native American vines like Concord, Catawba, and Delaware have… read more »