The Philippine Coconut Authority (PCA) has reported that more than 500,000 coconut trees have been infested by the coconut scale insect, also known as “cocolisap,” resulting in a loss of around P200 ...

MR. T. H. C. TAYLOR has recently prepared a lengthy paper describing biological methods of controlling the scale insect Aspidiotus destructor in Fiji. From the economic point of view, this pest causes ...