Fatty acid amino acid conjugates (FACs). first identified in lepidopteran caterpillar spit as elicitors of plant volatile emission. also have been reported as major components in gut tracts of Drosophila melanogaster and cricket Teleogryllus taiwanemma. The profile of FAC analogs in these two insects was similar to that of tobacco hornworm Manduca sexta. https://www.sweetandspicyessentials.com/product-category/womens-footwear/