Berlese, A.M. 1893 Le cocciniglie Italiane viventi sugli agrumi. Parte I. I Dactylopius.. Rivista di Patologia Vegetale. Firenze 2: 70-109.

Notes: A detailed study of the external and internal anatomy and histology of Dactylopius citri and D. longispinus; other scale insects mentioned. Also issued as a repaged reprint in Le Cocciniglie Italiane viventi sugli agrumi, Pt. 1, p. 1-106, 1893.

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