Hall, W.J. 1927d Miscellaneous notes on Egyptian Coccidae with descriptions of three new species.. Bulletin de la Société Entomologique d'Egypte 1926: 267-287.

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Notes: Phenacoccus gypsophilae n. sp., P. hirsutus gressae n. var., Trionymus euphorbiae n. sp.; 9 other species discussed; notes on "manna".