AdvertisementNew Evidence Shows Popular Pesticides Could Cause Unintended Harm To InsectsAugust 06, 2019Dan CharlesfacebookEmailHoneybees are seen feeding on the honeydew of whiteflies in citrus trees. Traces of neonicotinoids, a family of pesticides, have shown up in honeydew, an important food source for other insects. (Alejandro Tena)