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Extracts were not repellent to the Japanese beetle.— Lletzger and 
Grant (277). 
An emulsion containing 3 percent of oil of lagetes had a repellent 
effect on blowflies for less than 5 days, — Hobson ( 196 ). 
TAKACETUM VULGARE L. Common tansy. 
The heads exerted en effect on insects similar to that of pyrethruir.— 
Gieseler ( 155 , p. 112). 
The flowers were very feebly benumbing; to flies.— Kelbruner ( 224 ) . 
An alcoholic extract and en infusion had no effect on cotton 
ceterpillers. — Riley ( 325 , p. 186). 
An action similer to that of Persian insect powder was produced 
by the common tansy, which was sold in the north of England to replace 
this powder. — Kirby (229 , p. 241). 
Tansy plants grown near peach trees have only a very slight effect 
on the peachtree borer .--Slingerland ( 366 , p. 196} • 
Alcoholic extracts were not significantly toxic to the bean aphid.— 
Tattersfield and coworkers (393 ). 
Acetone extracts of the whole plant killed from 10 to 30 percent 
of the mosquito lprvee tested.— Hartzell and Wilcoxon ( 188 ) . 
In laboratory tests oil of tansy was strongly repellent to oolonies 
of the cornfield ant. Field tests with this oil, applied first to 
bonemeal, which was then dropped with the corn, showed a gain of 10.8 
bushels per acre.— Forbes (142 , p. 465). 
Oil of tansy was of no value as a repellent or attractant to 
screwworms.— Parrrian end coworkers ( 302 ) . 
TARAXACUM PALUSTRE VAR. OFFICINALE (Lam.) Fernald. Dandelion. 
Extracts were not repellent to the Japanese beetle. — Vetzger and 
Grnnt (277). 
TRILISA ODORATISSIMA (V/ a lt.) Cass. Caroline vanilla. 
The lepves were used to protect woolen clothes against moths. — 
Jackson ( 218 ). 
TUSSILAGO FARFARA L. Coltsfoot. 
Water extracts of the roots killed 70 percent of the mosquito larvae 
tested.— Hartzell and Wilcoxon (188). 
