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Several species of minute parasitic wasp, including T. brassicae and T. platneri, that attack the eggs over 150 species of moths, including cabbage looper, codling moth, oriental fruit moth, twig borers and fruitworms.
- 1-2 per square foot or 50,000-100,000 per acre when adult moths are detected.
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Trichogramma is shipped as parasitized moth eggs fixed to cardboard sheets. which are perforated into 30 small squares, each with 4,000-5,000 Trichogramma. Carefully tear the sheets along the perforations and either distribute them immediately throughout the crop or hold them in containers with food until the adults begin to emerge.
