Miller, D.R., & McKenzie, H.L. 1973 Seventh taxonomic study of North American mealybugs (Homoptera: Coccoidea: Pseudococcidae).. Hilgardia 41: 489-542.
Notes: Redescribed 16 species; of pseudococcids; taxonomic status; gen. assignment; relationship to other mealybugs given; syns.; n. comb.; revised keys to six genera; morphology; distribution; hosts.
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