![]() Image Number K7983-3 |
In an isolated test plot seeded with engorged adult female ticks, parasitologist Dolores Hill sprays infective juvenile Steinernema nematodes as a biological control.
Photo by Keith Weller.
![]() Image Number K7983-3 |
In an isolated test plot seeded with engorged adult female ticks, parasitologist Dolores Hill sprays infective juvenile Steinernema nematodes as a biological control.
Photo by Keith Weller.