Beneficial Agents On The Farm68

Predators 69

TABLE 3: Common Predators 70

■ Principal insect Predators 72

Spiders / Lady beetles / Ground beetles / Lacewings / Minute pirate bugs / Big-eyed bugs / Syrphid flies SIDEBAR: Cover Crops Lure Beneficial insects (Georgia) 74

■ Parasitoids 77

TABLE 4: Common Parasitoids 78

■ Principal Parasitoids 79

Dipteran flies / Chalcid wasps / Fairy flies / Trichogramma wasps / Eulophid wasps / Pteromalid wasps / Encyrtid wasps / Aphelinid wasps TABLE 5: Major Groups of Dipteran Parasitoids 80

BOX: Cropping Systems Shape Parasitoid Diversity 82

■ Principal insect Pathogens 83 Bacteria / Fungi / Viruses / Nematodes BOX: Bacillus thuringiensis (Bt) 84

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