Results 181 to 190 of about 19,455 (205)

SOME UTAH LEAFHOPPERS.

The Canadian Entomologist, 1934
During the past few years it has been possible to collect leafhoppers in many parts of Utah. Because of the abundance of many of the species and the fact that so many feed upon range forage plants, it seems to the writer that the injury due to range leafhoppers in the Rocky Mountain West has been greatly underestimated.
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New Australian leafhoppers

1941
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Potato Leafhopper Control, 1990

Insecticide and Acaricide Tests, 1991
Abstract Two tests were conducted at the Pennsylvania Agriculture Experiment Station farm at Rock Springs, Centre County, Pa. Experiment A was conducted on the second alfalfa cutting and experiment B was conducted on the third alfalfa cutting. Forty × 40 ft plots were arranged in a randomized complete block design with an untreated check
Arthur A. Hower, Sand. Alexander
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Potato Leafhopper Control, 1989

Insecticide and Acaricide Tests, 1990
Abstract A 1-yr-old stand of'WL 316' alfalfa at the Ohio Agricultural Research and Development Center, Wooster, was used for this study. Treatments were applied 17 Jul using a tractor mounted hydraulic sprayer calibrated to deliver 20 gal/acre at 32 psi using 8002 Teejet flat-fan nozzles.
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Idioscopus nagpurensis (mango leafhopper).

2021
Abstract Mango leafhoppers are major pests in the Indian subcontinent. The major damage is caused at the flowering stage and several studies have highlighted the reduction of yield which may be between 20 and 100% depending on population size. Verghese and Rao (1987) examined the critical infestation stages of the related species I.
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Eavesdropping on Leafhoppers

Alternator, 2021
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Brochosomes and Leafhoppers

Science, 1954
G S, Tulloch, J E, Shapiro
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Potato Leafhopper Control, 1984

Insecticide and Acaricide Tests, 1985
Abstract Tests were conducted at the Milton Hershey School farm (field Dairy 29) at Hershey, PA. 40 X 40-ft plots were arranged in a randomized complete block design with 2 untreated checks in each ol the 4 replications. Potato leafliopper densities were estimated from 20 pendulum sweep samples taken randomly across each plot with a 15 ...
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Leafhoppers on Grapevine

EPPO Bulletin, 1971
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Recilia dorsalis (zigzag leafhopper)

PlantwisePlus Knowledge Bank, 2022
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