This technique was also mentioned in the 1992 volume of The New Royal Horticultural Culture Thesaurus of Gardening.The publication read:”
Biological Control is an additional technique increasing in use and also scope.
“Predators and also parasites can be brought right into the Greenhouse and also placed among the crop to manage such difficult pests as whitefly (Encarsia formosa) and red crawler mite (Phytoseiulus persimilis).”
A few of one of the most common yard insects are aphids, slugs and snails and weevils.