Efficacy of Summer Oil Spray on Thirteen Commonly Occurring Insect Pests

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Table 1.

Host plants, their pests, and efficacy of Sunspray 6E.

Plant host	Pest species	Degree of control
Buxus sempervirens (English Boxwood)	Psylla buxi (Boxwood psyllid)	Excellent
Cornus florida (Flowering Dogwood)	Pulvinaria innumerabilis (Cottony maple scale)	Excellent
Euonymus europaea (Tree Euonymus)	Yponomeuta multipunctella (Euonymus webworm)	Excellent
Gleditsia triacanthos (Honey Locust)	Diaphanocoris chlorionis (Honeylocust plantbug)	Excellent
	Macropsis fumipennis (Leafhopper)	Excellent
Larix decidua (Larch)	Adelges laricis (Wooly larch adelgid)	Excellent
Pinus mugo (Mugo Pine)	Neodiprion sertifer (European pine sawfly)	Excellent
Platanus occidentalis (American Plane Tree)	Corythucha ciliata (Sycamore lacebug)	Excellent
	Plagiognathus albatus (Sycamore plantbug)*	None
Quercus robur (English oak)	Asterolecanium variolosum (Golden oak scale)	Excellent
Salix babylonica (Weeping Willow)	Plagiodera versicolora (Imported willow leaf beetle)	Poor
Sophora ļaponica (Japanese Pagodatree)	Eulecanium cerasorum (Calico scale)	Excellent