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Agricultural Science

University of Nebraska - Lincoln

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Series

Insecta

Publication Year

Articles 1 - 3 of 3

Full-Text Articles in Life Sciences

Comparative Toxicity Of Aqueous Solutions Of Boric Acid And Polybor 3 To House Flies (Diptera: Muscidae), Jerome Hogsette, Philip Koehler Jan 1992

Comparative Toxicity Of Aqueous Solutions Of Boric Acid And Polybor 3 To House Flies (Diptera: Muscidae), Jerome Hogsette, Philip Koehler

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

LC50s and LT50s of boric acid and polybor formulated in water and 10% sucrose were determined for 3- to 5-d-old adult house flies, Musca domestica (L.), of mixed sex. Differences between boric acid and polybor toxicities were significant in 10% sucrose, but not in water. However, borates formulated in water had significantly lower LC50S than those formulated in 10% sucrose. Rate of kill for formulations in water was fairly uniform over time, whereas mortality from sucrose formulations was not observed until 17 h after treatment. Reasons for differences in the manifestation of mortality and …


Economic Effects Of Horn Fly (Diptera: Muscidae) Populations On Beef Cattle Exposed To Three Pesticide Treatment Regimes, Jerome Hogsette, David Prichard, Joseph Ruff Jan 1991

Economic Effects Of Horn Fly (Diptera: Muscidae) Populations On Beef Cattle Exposed To Three Pesticide Treatment Regimes, Jerome Hogsette, David Prichard, Joseph Ruff

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

Horn flies could not be maintained below 50 per animal with sprays or dusts during a 21-wk study. However, weights of cows and calves and condition scores of cows were not influenced by suppression of Haematobia irritans (L.) populations. Results show that cattle in northwest Florida can tolerate average populations of >200 flies for 70 d with no adverse economic effects. Spray treatments providing the best fly control were Lintox-D and Ra-Vap. The most economical products for use were Del-Tox, Lintox-D, and Ra-Vap.


Comparative Attraction Of Four Different Fiberglass Traps To Various Age And Sex Classes Of Stable Fly (Diptera: Muscidae) Adults, Jerome Hogsette, Joseph Ruff Jan 1990

Comparative Attraction Of Four Different Fiberglass Traps To Various Age And Sex Classes Of Stable Fly (Diptera: Muscidae) Adults, Jerome Hogsette, Joseph Ruff

United States Department of Agriculture-Agricultural Research Service / University of Nebraska-Lincoln: Faculty Publications

An Alsynite cylinder trap and three different Williams cross-configuration traps with three adhesives were compared to determine their relative attraction to stable fly, Stomoxys calcitrans (L.), adults. Williams traps coated with Olson Sticky Stuff performed as well as Williams traps coated with Tack Trap, thus allowing fly samples collected with either adhesive to be compared. The cylinder trap captured fewer total flies,but more flies per cm2 than any of the Williams traps. Sex ratio of flies captured on the cylinder trap was 50:50, while the three Williams traps captured predominantly males. The cylinder trap captured a larger percentage of …