Miller, D.R. 1973 Mealybugs of San Miguel Island, California (Homoptera: Coccoidea: Pseudococcidae).. The Pan-Pacific Entomologist 49: 264-269.
Notes: Lists 13 species of mealybugs in 12 genera, none endemic; Pseudococcus obscurus more abundant and occupies more diverse habitats than on mainland or on Santa Cruz Island; hosts and distribution.
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