Below-ground Insect Pests of Peanuts

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Damage by whitefringed beetles • Damaging stages: adult, nymph (chewing mps) • Larvae –irregular holes in tap root, fatal to plants • Root injury resembles wireworm, rootworm, white grub feeding • Stand losses early & mid‐season • Can reach high pop. density – 186 per cu m • Notched leaves??
Scouting techniques (whitefringed beetles) • Soil cores/spade sampling prior to planting season • Visual & beat cloth sampling for adult beetles (females) • Underutilized techniques: – Sweep net for adult beetles – Floatation technique for small larvae
Page 1 and 2: Below-ground Insect Pests of Peanut
Page 3 and 4: Damage by burrower bugs • Damagin
Page 5: Coleoptera: Curculionidae Whitefrin
Page 9 and 10: Damage by southern corn rootworm
Page 11 and 12: Lepidoptera: Pyralidae Lesser corns
Page 13 and 14: Scouting techniques (lesser cornsta
Page 15 and 16: Damage by wireworms • Damaging st
Page 17 and 18: Agrotis ipsilon Agrotis subterranea
Page 19 and 20: Other sporadic insect pests White g
Page 21 and 22: Scouting recommendations (contd.)
Page 23: Take home message for today…

Below-ground Insect Pests of Peanuts

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