A dust containing 0*6 percent of rotenone and 3 percent of Lethane 384, and also dust containing 0.4 percent of rotenone and 2 percent of Lethane gave very promising results near Norfolk, Va., as compared with the other derris dusts.-Walker and Anderson (647 ) (Autographa ) Anagrapha falcifera (Kby.), the celery looper In 1942 it was recommended that a 0.75-percent rotenone dust be substituted for the 1-percent dust formerly used against celery and lettuoe loopers.-United States Bureau of Entomology and Plant Quarantine (626). 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 resulted 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 borer control than any. of the dusts used; (2) derris dusts were more effective than nicotine dusts; (3) none of the dusts tested were satisfactory when dealing with high borer populations; and (4) very heavy infestations can be controlled satisfactorily and profitably in early market sweet core with derris*-Quest el ( 484) • Rotenone was recommended in 1944 against the corn borer on sweet corn in victory gardens.-White and Doolittle (683 ) .Rotenone-bearing materials, during the emergency, were permitted to be used against this pest only on sweet corn in home gardens, or for marketing, green. The substitutes were sprays of nicotine bentonite and nicotine tannate, and dual-fixed nicotine dust.-U. S.Department of Agriculture (633 , p. 14).
Saturnii daeKudaurelia oytherea capensis (Stoll), pine tree emperor moth Pyrethrum, derris, and dinitro-o-oresol were very promising against larvae of the third, fourth, and fifth instars in South Africa.-Naude (437).Derris and pyrethrum dusts in South Africa were effective against larvae in the third instar but were considerably less toxic against later instars.-Tooke and Hubbard (594 ) .
SphingidaeCelerlo lineata (F.), the white-lined sphinx In Arizona this pest can be controlled by hand collection and by derris sprays .-Wehrle (668 ).Ceratomia catalpae (Bvd.
