Szent-Ivany, S.H. 1961 Insect pests of Theobroma cacao in the territory of Papua and New Guinea.. Papua-New Guinea Agricultural Journal 13: 127-147.
Notes: Discusses 11 scale insect species in eight genera.
Szent-Ivany, S.H. 1961 Insect pests of Theobroma cacao in the territory of Papua and New Guinea.. Papua-New Guinea Agricultural Journal 13: 127-147.
Notes: Discusses 11 scale insect species in eight genera.