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Catalpa sphinx moth caterpillar ( Ceratomia catalpae Boisduval, 
Lepidoptera, Sphingidae) on catalpa trees was controlled satisfactorily. 
The spray acts as a contact poison. Within a few hours there was 100 
percent kill of all sizes of caterpillars. 
Spiny elm caterpillar (E uvanessa ) Aglcis antiopa L., Lepidoptera, 
Nymphalidae) on elm trees was satisfactorily controlled. The spray acts 
as a contact poison. The effective period is 3 to 4 days. There was 
100 percent kill "by actual count. 
Oak leaf rollers ( Argyrotoxa s emipurpurana Kearf., Lepidoptera, 
Tortricidae) on pin oak trees were controlled satisfactorily in one test 
out of three tests given. The spray acts as a contact poison. The 
effective period is 3 to 4 days. There is 50 to 100 percent kill. 
The tussock moth larvae ( Hemerocampa 1 euro stigma Smith and Abbott, 
Lepidoptera, Lymantriidae) on various shade trees were not satisfactorily 
controlled. The spray acts as a contact poison and as a repellent. There 
was 10 percent control in one test and 50-75 percent control; in other 
tests. 
Bagworms ( Thyridopteryx ephemerae formis Eaworth, Lepidoptera, 
Psychidae) on evergreen trees were satisfactorily controlled in 3 out 
of 4 tests. The spray acts as a repellent. The period of effectiveness 
was 3 to 4 days. Bags do not fall off the trees, larvae cease feeding 
and do not increase in size. 
Larch case hearers (C oleophora laricella Eon., Lepidoptera, 
Coleophoridae) on larch trees were 1 75 percent controlled. The spray 
acts as a stomach poison. The effective period is 3 to 4 days. Results 
are slow. 
Fear slugs ( Eriocampoides limacina Retzius, Hymenoptera, 
Tenthrc-dinidae) on pear trees were controlled 100 percent. The spray 
acts as a contact poison and as a repellent. The effective period is 
6 days. 
Pine sawfly larvae ( Neodiprion lecontei Fitch, Hymenoptera, 
Tenthredinidae) on white pine trees were controlled 100 percent. The 
spray acts as a contact poison. The effective period was 4 to 6 days. 
Pull-grown larvae were fairly easily killed. 
Currant worms (Pte ronidea ribesii Scop., Efymenoptera, Tenthredinidae) 
on currant trees were controlled 100 percent. The sprav acts as a contact 
poison. There was 100 percent kill in 1 or 2 days. 
Elm leaf beetles (Ga lerucella xanthomelaena Schrank, Coleoptera, 
Chrysomelidae) on elm trees were not satisfactorily controlled. Five 
tests were made, two of which were satisfactory. The spray acts as a 
contact poison and as a repellent. The period of effectiveness is 5 
to 7 days. Control seems to depend on time of application. 
