Gavrilov-Zimin, I.A. 2023 New scale insects (Homoptera: Coccinea) from Neotropical region [Новые виды кокцид (Homoptera: Coccinea) из Неотропического региона]. Proceedings of the Zoological Institute, Russian Academy of Sciences 327(2): 303-316
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Notes: Four new species of scale insects collected in Mexico are described and illustrated. The overlapped diagnostic characters of the nominal genera Philephedra Cockerell, 1898 and Alichtensia Cockerell, 1902 (Coccidae) are briefly discussed.