Control of the Fig Scale in California

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Abstract
All dormant oil sprays used were of the tank-mix type. Two percent dormant oil did not give satisfactory control, but 3% oil, 3% oil plus 3% lime-sulfur, and 4% oil sprays were satisfactory, their effectiveness increasing in the order named. The susceptibility of the scales to oil varied little through the winter. When spraying was delayed until oviposition began in March, some of the eggs hatched but few of the young lived after crawling on the oiled bark. When ovicides were included in the sprays at that time of yr. there was an increase in the numbers of eggs which hatched, but the numbers of young which established themselves on the foliage were not less than when oil alone was used. Infestations were controlled by 2% light summer oil sprays put on in May, when first-brood crawlers were still settling and before any of the summer scales had matured.

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