The prevalent way aphids accomplish colony defense against natural enemies is a mutualistic relationship with ants or the occurrence of a specialised soldier caste typical for eusocial aphids. or even both. Despite a group-living life style of those aphid species lacking these defense lines. communal defense against natural predators has not yet been observed there. https://www.findingthestory.com/product-category/fume-extractor-parts-and-accessories/