Image Number PN-7171

Whiplike larva of root-knot nematode, Meloidogyne incognita, magnified 500X, shown here penetrating a tomato root. Once inside, the larva establishes a feeding site, which causes a nutrient-robbing gall.

Photo by William Wergin and Richard Sayre.

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640 pixels wide: (pn-7171.jpg)