- 66 - 
age infestation of 65 percent as compared to 68 percent in the check plot. — 
Munro ejL aJL. (338). 
Formicidae 
Caraponotus her<ralea nu§ pen n sylvanlcus (Deg.), the "black carpenter ant 
Chlordane is effective as a 5-percent dust and as a 50-percent wet- 
table powder, using 4 ounces of toxicant per 1,000 •quare feet. — Schread 
and Chapman ( 412 ) . 
Formica exsectoides Forel, the Allegheny mound ant 
The application of a 50-percent chlordane wettable powder at low dosage 
levels killed adults in 5 to 6 hours; eggs did not hatch and pupae produced 
no adults. — Schread and Chapman ( ^1 ,2) . 
Formica fusca var subsericea, Say, the silky ant 
Formica pall ida-f ulva subsp. nltidiventrla Emery 
Chlordane controlled these ants working in open ioil at the base of 
shrubs and in turf, — Schread and Chapman ( 412) » 
Irldomvrmex humills Mayr., the Argentine ant 
Chlordane dust was repellent to the Argentine ant for a considerable 
period of time. It makes an excellent barrier around their nests or when 
sprayed on the walls of a building or foundation of a house. Ants that 
come in contact with the duet immediately withdraw and soon disappear from 
that immediate area. — Eckert ( 123 ) » 
Diesel oil containing 2 percent of chlordane controlled Bermuda grass 
and Argentine ant around beehives in California without causing noticeable 
loss of bees. Both grass and ants later came back into the treated area. — 
Eckert and West ( 125 ). 
Laslus niger alienus americanus Emery, the cornfield ant 
One pound of 50-percent wettable chlordane per 1,000 square feet 
caused a 100-percent reduction in ant hills after 30 days. — Kerr ( 259 ) . 
For the individual spot treatment, one-eighth of a teaspoon of 50- 
percent wettable chlordane powder is placed in the center of each hill and 
watered thoroughly into the nest, using a four-gallon pressure sprayer with 
the spray nozzle removed, or using a watering can with the spreader removed. 
For the complete turf treatment, the entire area is impregnated with the 
material. The 50-percent wettable powder applied at the rate of four ounces 
to 1,000 square feet was found to be desirable from the standpoint of the 
economic and the residual value of the insecticide. The turf is then 
watered with 50 to 60 gallons of water to 1,000 square feet to obtain naxium 
