Mealybugs are insects in the family Pseudococcidae, unarmored scale insects found in moist, warm climates.
Fossil specimens of genus Acropyga have been found in Dominican amber carrying the extinct mealybug genus Electromyrmococcus (Johnson et al., 2001). These fossils represent the oldest record of the symbiosis between mealybugs and Acropyga species.
List of Known Ant-Mealybug Associations
- Johnson, M.S. et al. 2001. Acropyga and Azteca Ants (Hymenoptera: Formicidae) with Scale Insects (Sternorrhyncha: Coccoidea): 20 Million Years of Intimate Symbiosis. American Museum Novitates. 3335: 1–18 (DOI 10.1206/0003-0082(2001)335<0001:AAAAHF>2.0.CO;2).
- Noe, Ronald (November 21, 2012). "Fire Ants Protect Mealybugs against Their Natural Enemies by Utilizing the Leaf Shelters Constructed by the Leaf Roller Sylepta derogata". US National Library of Medicine National Institutes of Health. PMC 3503828