Rau, G.J. 1938 Four more new species of mealybugs from New York State. (Hemiptera: Kermidae and Pseudococcidae).. Canadian Entomologist 70: 157-165.

Notes: Hypogeococcus barbarae n. gen. and sp. Eriococcus saratogensis, Pseudococcus patulae, Trionymus geraniae.