pest photo

Northern root-knot nematode
Meloidogyne hapla

Northern root-knot nematode (Meloidogyne hapla) is a nematode pest. It was first detected in Wisconsin in 1985.

This is a pathogen of vegetables which produces tiny galls around the nematode feeding sites. In addition, root-knot nematodes interact with other plant pathogens, resulting in increased damage caused by other diseases.

Map Icon
Survey Maps