-18- 
Busseola fusca (Puller) , a maize stalkborer 
Under the intensive system of farming in South Africa two of 
the control measures consist in top dressing of the plants with 
Derrisol and cutting of the infested plants.— Union of South Africa 
Department of Agriculture (609 ) . 
Callopistria floridensis (Guenee), the Florida fern caterpillar 
An outbreak on ferns occurred in nursery greenhouses in Los Angeles. 
Treatment with a 2-percent Rhotonon ( ? rotenone) solution, 1 ounce 
to 4 gallons of water, and use of light traps for several months re- 
sulted in complete control.— Comstock (119) . 
Nicotine is ineffective, whereas, rotenone is effective against 
this pest on vegetables .--Mclndoo (385 ) • 
Ceramloa pi eta (Harr»), the zebra caterpillar 
Rotenone dusts were not effeotive on Long Island.— Huckett (296 ). 
Charaeas graminis (L«), the "antler" in England 
In Germany when mature larvae dusted with pyrethrum or derris 
preparations were transferred to untreated grass sod, 50 peroeat died 
in 9 days; but when larvae on the sods were dusted with a derris prepa- 
ration or calcium cyanajnide, 74 and 78 percent died.— Maerck (387) . 
Feltia subterranea (F«), the granulate*cutworn 
Derris dusts were not very effective in Soutn Carolina.— Reid and 
coworkers (499) • 
In Alabama all rotenone inseoticides tried were ineffective.— 
Arant (26). 
Heliothis armigera (Hbn.), the bollworm, corn earworm, tomato fruitworm 
On Cotton: Calcium arsenate alone gave a yield of 673 pounds of 
seed cotton per acre while a mixture of this arsenate and cube (80 to 
20) gave only 635 pounds.— Moreland (425 ) . 
In tests made in Texas calcium-zinc arsenate gave a little better 
control than either calcium arsenate alone or a calcium arsenate-rote- 
none mixture, but the difference was not significant.— Gaines (210) . 
