This technical guide describes the techniques for small-scale rearing of the egg parasitoids Trichogramma spp. in the factitious host Anagasta kuehniella. These parasitoids are among the most widely used natural enemies in the world, and in Brazil are used to control lepidopteran pests in a wide variety of crops, including sugarcane, corn, soybean, cotton, vegetables (tomatoes, potatoes), fruit (avocado, citrus, grapes), and tobacco.