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Western
Corn Rootworm
(Diabrotica virgifera) - Life Cycle
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Click
for larger image
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Adults:
The adult Western corn rootworm is yellow and brown with yellow stripes
on their wings. Click
for larger image
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Eggs:
The adult female beetle, after about three weeks of feeding, begins
laying eggs around the base of the corn plants in soil cracks. The
white egg is football-shaped and only about .004 inch (0.1 mm) in
length. |
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Larvae:
The larvae are white slender worms about 1/2 (12 mm) long with yellowish-brown
heads and have six small legs on the forepart of the body. |
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Pupae:
The mature larvae pupates in cells formed in the soil. The pupae are
white and have the basic shape of the adult. |
Damage inflicted by western corn rootworm to corn
©All material is protected
by Section 107 of the 1976 copyright law.
Copyright is held by Cornell University.
Maintained by Jason D. Plate. Last updated Mar. 8th, 2007.
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