So grasshoppers have a wide host range.
They can affect a lot of our agronomic crops, like our small
grains, corn and alfalfa.
And they can also be found in pasture land
with a lot of grasses and various weed species.
And the problems are really severe.
They can be a problem
in our urban areas, like within our home landscapes and home gardens as well.
like we mentioned, with their biology.
Grasshoppers have chewing mouthparts.
That tearaway plant tissues.
Grasshoppers are commonly thought of as foliage feeders, but will also feed
on flowers, fruits, seed heads, stems
and essentially all above ground parts.
The plant has enough. Numbers are high enough.
Grasshopper feeding can lead to economic damage for farmers.
Often fence rows and roadsides
adjacent to crops serve as the major source of grasshoppers.
As the vegetation dries up in such areas.
Grasshoppers that hatched in matured there will move into adjacent crops,
Grasshopper control products are available in spray dust or bait formulations.
Dust and bits are relatively expensive, but can be applied
to specific areas without sophisticated equipment.
Dust do not readily adhere to the foliage and must be reapplied frequently.
They must be consumed and are most effective when host plants
are scarce, small, or have dried up use of carbaryl baits
like wheat bran laced with CarBaryl is particularly desirable.
Alternative to spraying for grasshoppers and pastures.
fence, rows, wasteland and other roadsides
spread evenly throughout the habitat.
The bait selectively kills only grasshoppers and other insects that
consume it while foraging nymphs are most likely to injure crops
while actively foraging for dry plant material on the ground.
And therefore their populations are very effectively reduced in number by baits
and Carbaryl All are relatively nontoxic to humans
and may be sprayed to kill grasshoppers along the roadsides and fences.
Make sure you follow the label instructions.
Listed here are other products that are labeled
for grasshopper control in the state of Utah.
The experience will be most effective
when used against nymphs rather than the adults Several.
Reduce the risk products for grasshopper control are also available in Utah.
Nosema Locustae sold as nolo.
Bait is a micro protozoa that infects grasshoppers
through baiting under ideal conditions,
coinciding with peak nympho emergence,
nolo bait or kill 50 to 70% of the population
and about 35 to 50% of the surviving grasshoppers will be infected.
These infected grasshoppers are weakened.
They feed less and produce fewer eggs.
Many other natural occurring enemies for grasshoppers in Utah do exist.
This can include other arthropods birds, mammals and reptiles.
If you own property with a lot of pasture and rangeland in rural areas in Utah,
we recommend you look into the USDA
Grasshopper Management program and find out if you can qualify
for funding for their spray and treatment programs.
If you live in a residential area, you need to work with your neighbors
and community to suppress grasshopper populations.
Treating as wide an area as possible is the key to success.
When grasshoppers become adults, they can travel great distances
and may not remain in one area long enough
for an insecticide to be effective
If you have any questions
about identifying grasshoppers or questions about grasshopper behavior
or biology, feel free to contact the Utah Plant Pest Diagnostic Lab.
And if you guys have additional questions.
You can also contact your USU Extension County office near you.