Below-ground Insect Pests of Peanuts
Below-ground Insect Pests of Peanuts
Below-ground Insect Pests of Peanuts
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Coleoptera: Chrysomelidae<br />
Southern corn rootworm<br />
• Occurrence: throughout U.S., immature<br />
form <strong>of</strong> spotted cucumber beetle<br />
(Diabrotica u. howardi)<br />
• Host range: 200 host plants, major pest <strong>of</strong><br />
corn, sweet potato, peanut<br />
• Identification: wing pattern on adult<br />
beetles, larvae have 3 pr <strong>of</strong> legs<br />
• Overwintering stage: adult beetles (mostly<br />
female beetles)<br />
• Behavioral clues:<br />
• short overwintering period<br />
• high fecundity, eggs laid in soil at plant<br />
bases<br />
• adaptable to crop rotations??
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