Surveys conducted in mid-March, April, and May 1974–1976 and 1974–1975 in DeSoto and
Sabine Parishes, respectively, in northwestern Louisiana showed a dramatic reduction in …

In tests conducted at Baton Rouge and Pine Grove, Louisiana, various stages of the lone
star tick, Amblyomma americanum (L.), were released in areas infested with the imported fire …

Two methods were employed to investigate animal color Preference by the horn fly,Haematobia
irritans (L.). One method consisted of periodically counting the number of flies on 5 red, …

Examination of the contents of the gizzards of 74 cattle egrets (Bubulcus ibis) that were shot
in Louisiana in the summers of 1966 and 1967 showed that Gryllids comprised 56% of their …

METHODS. These studies consisted of three experiments. In experiment I, a corn oil solution
containing both radioactive and non-radioactive DDT was administered orally to three male…

Tests were carried out on a farm near Marksville, Louisiana, in 1962 to determine whether
the reported failure of back rubbers treated with 1.5 per cent. fenchlorphos (ronnel) against …

Commercially prepared spore powders containing 3 × 10 9 , 25 × 10 9 and 47 × 10 9 spores
of Bacillus thuringiensis Berliner per gram were fed in the ration of caged layers. There was …

White 16-ply cotton cords were soaked in 12% ronnel, 25% Diazinon ® (O,O-diethyl O-(2-isopropyl-4-methyl-6
pyrimidinyl) phosphorothioate) and 25% Bayer 29493 (O,O-dimethyl O-(4…

Co-Ral (O-(3-chloro-4-methylumbelliferone) O,O-diethyl phosphorothioate) at 0.25% and
runnel at 1% oil solution were tried as back-rubber formulations for horn fly (Siphona irritans (L.)…

As failure of malathion to control Musca domestica L. was reported from a poultry farm in
Louisiana where the insecticide had been used exclusively for about three years, studies were …