Genus Pratylenchus

Lession Nematode

Most important species:

P. penetrans (400 hosts),
P. vulnus (fruit trees and ornamentals),
P. brachyrus (peanut, soybean),
P. zea (corn),
P. coffee (coffee),
P. scribneri (most widely distributed in US)

Worldwide distribution
Wide host range
Very destructive- extensive tissue necrosis (lesions)

The APSnet site on Lession Nematodes