Experiment Station Record, Volume 92, January-June, 1945 Page: 81
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1945] ECONOMIC ZOOLOGY--ENTOMOLOGY 81
[Notes on insects and insecticides] (Jour. Econ. Ent., 37 (1944), No. 3, pp.
443-452).--Contributions presented (E. S. R., 91, p. 437) are Collops [C. hirtellus
Lec.] Feeding, and Boxelder Bug Observations, both by G. F. Knowlton (p. 443)
(Utah Expt. Sta.); The Distribution of Ctenolepisma urbana Slabaugh and Certain
Other Lepismatidae, by H. L. Sweetman and W. M. Kulash (p. 444) (Mass. and
N. C. State Cols.); The Introduction and Establishment of Habrolepis rouxi in
California, by S. E. Flanders (pp. 444-445) (Calif. Citrus Sta.); Toxicity Tests
of Certain N-Substituted Benzamides Against Codling Moth Larvae, by E. H. Siegler
and S. I. Gertler (p. 445), Damage to Red Pine and Jack Pine in the Lake States
by the Saratoga Spittle Bug [Aphrophora saratogensis (Fitch)], by H. C. Secrest
(pp. 447-448), Chemicals to Destroy Overwintering Codling, Moth Larvae in the
Soil at the Base of Apple Trees, by M. A. Yothers and F. W. Carlson (pp. 448-450),
Experimental Parasitization Studies With the Comstock Mealybug (p. 450) and
Hyperparasitization of Clausenia purpurea Ishii, an Important Parasite of the
Comstock Mealybug (pp. 450-451), both by D. W. Clancy, and Fumigation of Elm
Wood Containing Adults of Hylurgopinus rufipes Eich., by H. C. Donohoe (p. 452)
(all U. S. D. A.) ; Notes on the Occurrence of Anopheles georgianus King in
Louisiana, by W. W. Wirth (p. 446); Bee Breeding in January, by W. C. Roberts
(p. 446) (Univ. Wis. coop. U. S. D. A.); Introduced Lady Beetles on Mona Island,
by G. N. Wolcott and L. F. Martorell (pp. 451-452) (P. R. Univ. Sta.); and An
Unusual Egg Deposition by a Queen Honeybee, by E. Braun (p. 452).
Bibliography on insect pest resistance in plants, with a supplement on resistance
to nematodes (Cambridge, Eng.: Imp. Bur. Plant Breeding and Genet.,
1944, pp. 39).-Literature references relating to insects and nematodes are listed
by host plants attacked.
Agricultural insecticides, [I], II (Soap and Sanit. Chem., 19 (1943), No. 12,
pp. 121, 123, 125, 143, illus. 2; 20 (1944), No. 1, pp. 119, 121, 123).-A review of
recent reports of various State agricultural experiment stations, indicating that
much work is now being concentrated on the search for effective substitutes for
insecticides in short supply and on the development of application technics that will
make more economical use of such supplies as are available.
Peet-Grady method: [Official method of the National Association of Insecticide
and Disinfectant Manufacturers for evaluating liquid household insecticides]
(Blue Book [Soap and Sanmt. Chem.], 1944, pp. 201-204).
El uso de los compuestos del fluor como insecticidas [The use of fluorine
compounds in insecticides], C. GUTIERREZ (Fitofilo, 2 (1943), No. 5, pp. 69-112,
illus. 2).-Includes 30 literature references.
Further refinement of a technique for testing contact insecticides, W. S.
McLEOD (Canad. Jour. Res., 22 (1944), No. 4, Sect. D, pp. 87-104, illus. 3).When
Drosophila melanogaster was sprayed with nicotine sulfate solution by both
intermittent and continuous methods, no clearly demonstrated superiority of one
technic over the other was observed. An analysis of variance performed on observed
mortalities expressed as angles of equal information showed that increasing age
of flies, increasing number of flies per cage, longer delays between filling of cages
and spraying, and increased proportion of $ $ in the samples raised the observed
mortalities significantly. Data on fly ages and numbers per cage were also put
through the probit analysis of Bliss, which indicated that those 5 days old are most
susceptible and that fly numbers affected equally the mortalities due to all concentrations.
The type of cloth used to cover the cages should be standardized.
Relative effects of several base oils used in livestock sprays on the skin of
cattle, F. W. ATKESON, A. R. BORGMANN, R. C. SMITH, and A. O. SHAW. (Kans.
Expt. Sta.). (Jour. Econ. Ent., 37 (1944), No. 3, pp. 419-428).-Comparisons of
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U.S. Department of Agriculture. Agricultural Research Administration. Office of Experiment Stations. Experiment Station Record, Volume 92, January-June, 1945, book, 1947; Washington D.C.. (digital.library.unt.edu/ark:/67531/metadc5064/m1/94/: accessed May 26, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.