Osborn, H.T. 1898 Notes on Coccidae occurring in Iowa.. Proceedings of the Iowa Academy of Sciences 5(1897): 224-231.

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description

distribution

taxonomy

Notes: Comment on 27 species or varieties; Aspidiotus ancylus serratus Newell and Cockerell, n. var.; A. osborni Newell and Cockerell, n. sp. described.