The Hibiscus mealy bug (Phenacoccus hirsutus, Green),

Hall, Wilfrid John.

The Hibiscus mealy bug (Phenacoccus hirsutus, Green), by W.J. Hall ... - Cairo, Government Press, 1921. - 1 p. l., 28 p., 1 l. front. (fold. map) VI pl. 27 cm.

agr23000105

S341 / .A4 no. 17

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