Insecticidal value of extracts of Cracca virginiana Linn.

Toxicity of certain organic insecticides to honeybees.
by: Weaver, James Nevin
Published: (1953)

The toxicity of organic insecticides to grasshoppers.
by: Cevallos G., Miguel A.
Published: (1949)

Control of the pecan nut casebearer with insecticides and the biotic effects of insecticides on populations of aphids and mites.
by: Warren, Frederick W.
Published: (1958)

A determination of the type and degree of specific insecticidal action of certain organic insecticides to the boll weevil.
by: Mistric, Walter Joseph
Published: (1950)

The toxicity of several insecticides to the cotton leafworm.
by: Dean, Herbert Arthur
Published: (1949)

Factors influencing organophosphorus insecticide resistance in tobacco budworms.
by: Whitten, Chandler James
Published: (1974)

The devil's shoestring, Tephrosia virginiana (L.) pers., as a domestic source of rotenone and rotenoids /
by: Little, V. A. (Van Allen), 1898-
Published: (1943)

A study of the life history of the leaf-footed plant bug Leptoglossus phyllopus Linne.
by: Menzies, George C.
Published: (1941)

A study of oil emulsions for insecticidal purposes.
by: Spicer, William Jones, 1903-
Published: (1935)

The determination of some insecticidal residues in soils by bioassay.
by: Berger, Robert Stephen
Published: (1957)

Response of immature insects to the carbamate insecticide, Temik.
by: Bruce, David Lawrence
Published: (1968)

Effects of systemic insecticides applied to cotton on Campoletis perdistinctus (Viereck).
by: Cate, James Richard
Published: (1968)

Insecticide synergism by chlordimeform : nature and mechanism(s) of action /
by: Gagne, Cynthia Catt
Published: (1980)

The effect of climatic factors on the toxicity of certain organic insecticides.
by: Mistric, Walter Joseph
Published: (1954)

The toxicity of several insecticides to two species of lepidopterous larvae.
by: Moore, Leon H.
Published: (1950)

A comparison of the effects of several insecticides on the harvester ant.
by: Warnhoff, Edward H., Jr
Published: (1947)

Insecticidal studies on several predaceous insects associated with cotton.
by: Burke, Horace Reagan
Published: (1959)

Bioassays of weathered residues of several organic phosphorus insecticides.
by: Hightower, Billie Gene
Published: (1959)

Evaluation of insecticides for control of the vetch bruchid, Bruchus brachialis Fahraeus, on vetch.
by: Snow, James Wendell
Published: (1963)

The toxicity of several organic insecticides to the German cockroach, Blatella germanica (L.).
by: Rawson, James Willis
Published: (1958)

A monitoring technique for resistance to biodegradable insecticides in the tobacco budworm (Lepidoptera: noctuidae) and the boll weevil (Coleoptera: curculionidae), and mechanisms of resistance to these insecticides /
by: Kanga, Houssou Ble Lambert
Published: (1994)

The effects of contact insecticides upon the obscure scale, Chrysomphalus obscurus (Comstock).
by: Sikes, James Herbert, 1900-
Published: (1931)

The contact toxicity of certain organic insecticides to different strains of houseflies.
by: Robertson, Richard Swearingen, Jr
Published: (1950)

A study of the relationship of insecticidal applications to mite populations on cotton.
by: Barnes, Robert Dorsey
Published: (1963)

The effectiveness of sulphur when used as a diluent for certain insecticides.
by: Hanna, Ralph Lynn
Published: (1951)

Histological effects of insecticides on the cotton bollworm, heliothis armigera (HBN).
by: Chadbourne, Danville Shaw
Published: (1950)

The toxicity of certain organic insecticides to horse biting lice and to dogs.
by: Batte, Edward Guy
Published: (1949)

Insecticidal control evaluation of the turkey chigger, Neoschongastia americana (Hirst).
by: Carlton, Maurice David
Published: (1973)

The relative toxicity of contact insecticides to the turnip louse; Rhopalosiphum pseudobrassicae (Davis).
by: Davis, George Winzer, 1911-
Published: (1933)

Comparisons of several systemic insecticides for control of aphids and spider mites on cotton.
by: Leon, Jose Alfonso
Published: (1957)

The Effects of Insecticidal Treatments on Beneficial Insect and Spider Population Cotton Fields.
by: Morrison, Eston Odell
Published: (1960)

Comparison of the sensitivities of five bioassay techniques to residues of seven organic insecticides.
by: Newton, Weldon Harrison
Published: (1961)

Diel susceptibility of the boll weevil, Anthonomus grandis boheman to certain organophosphorous insecticides.
by: Meisch, M. V. (Max V.), 1937-
Published: (1970)

Comparative metabolism of organophosphorothionate insecticides by Heliothis Virescens (F.) and Heliothis zea (Boddie).
by: Turner, Vesta Vernon
Published: (1973)

The effects of DDT and other insecticides on accumulation, growth and photosynthesis in Chlorella pyrenoidosa chick.
by: Cole, Donald Robert
Published: (1973)

The effectiveness of five scheduled applications of insecticides to grain sorghum for control of the sorghum midge, Contarinia sorghicola (Coq.).
by: Whitten, Chandler James
Published: (1968)