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Topic: Grasshoppers


In the News (Wed 16 Apr 14)

  
  Grasshoppers   (Site not responding. Last check: 2007-10-12)
Of the approximately 115 grasshopper species found in Kansas, only 5 are considered to pose serious threats to vegetable crops.
Movements of migrating grasshoppers may be of short or long duration depending on the total number of individuals produced.
Grasshoppers in the Lawn and Garden, K-State Research and Extension Pub Entomology 487.
www.oznet.ksu.edu /dp_hfrr/extensn/problems/grasshop.htm   (433 words)

  
 Field Guide to Common Western Grasshoppers
Grasshoppers may next be placed in the family Acrididae because they possess short antennae and ovipositor (egg-layer), an auditory organ (tympanum visible externally) on each side of the first abdominal segment, and three-segmented tarsi (feet).
An important component of grasshopper life history is the seasonal cycle - the timing of the periods of egg hatch, nymphal growth and development, emergence of the adults and acquisition of functional wings (fledging), and the deposition of eggs or reproduction.
Grasshoppers effectively exploit the resources of their habitat and at the same time are able to tolerate or evade the extremes of physical factors.
www.sdvc.uwyo.edu /grasshopper/fieldgde.htm   (5541 words)

  
 Grasshoppers
Red-legged grasshoppers are smaller than differential grasshoppers, and have red femurs on their hind legs.
Differential grasshoppers are yellow in appearance and have a fishbone pattern on their hind femurs.
In addition, grasshoppers become a problem for farmers when grassy areas near fields are mowed or drought kills other sources of food, and large numbers of grasshoppers accumulate in crops from these sub-optimal habitats.
www.mda.state.mn.us /pestsurvey/factsheets/grasshopper.html   (967 words)

  
 Urban IPM: Insects: Grasshoppers   (Site not responding. Last check: 2007-10-12)
Grasshoppers are closely related to katydids and crickets, and more distant relatives of walking sticks.
Grasshoppers are also an important food source for many native birds and some mammals such as foxes, kangaroo rats, coyotes, and even humans in many cultures.
Spraying for grasshoppers is also unproductive, so exclusion by use of wire mesh or netting is probably the most useful management for a garden.
ag.arizona.edu /urbanipm/insects/grasshoppers.html   (338 words)

  
 Grasshopper Management
Although the grasshopper occurs throughout the continental U.S., most of the damage it causes is restricted to "sub-humid, semi-arid" areas, extending from Montana and Minnesota to Texas and New Mexico.
Most grasshopper species over-winter as eggs, which are laid in clusters in late summer and early fall and hatch in spring, when soil temperatures warm up.
Grasshopper outbreaks are determined by a complex interaction of several factors, of which weather is the most important.
www.attra.org /attra-pub/grasshopper.html   (1888 words)

  
 Ent-1040 Grasshopper control tips for Texas - Texas Cooperative Extension   (Site not responding. Last check: 2007-10-12)
Although grasshopper damage is difficult to completely prevent during outbreak years, homeowners can minimize their impact through the use of barriers, insecticides and landscape plants that are less prone to damage.
Generally only one generation of grasshoppers is produced each year; however cool, dry weather during the spring months and the successive emergences of different grasshopper species can result in a seemingly endless procession of these insects throughout the summer and fall months.
Grasshopper eggs are generally laid during the fall and late summer in rural, non-crop landscapes, such as along ditches, fencerows, and shelter-belts, and in weedy areas.
citybugs.tamu.edu /FastSheets/Ent-1040.html   (779 words)

  
 Grasshoppers
There are 2 kinds of grasshoppers; short-horned grasshoppers which have short antennae, and long-horned grasshoppers which have long antenna.
Grasshoppers live in most parts of the world, except where it is very cold.
Grasshoppers can be a pest to farmers when they eat farm crops.
www.kidcyber.com.au /topics/grasshops.htm   (364 words)

  
 Three Common Kentucky Grasshoppers and Their Natural Enemies
Worldwide, grasshoppers are some of the most serious agricultural pests, most often due to their direct feeding on the harvestable portion of the crop.
The two-striped grasshopper's upper surface is dull olive brown and a pale under surface that is pale yellow to green.
Similar to the redlegged and differential grasshopper, the two-striped grasshopper is found upon bottom lands, along the edges of cultivated fields, at the margins of woodlands, and on shaded mountain slopes.
www.uky.edu /Ag/Entomology/entfacts/fldcrops/ef116.htm   (1590 words)

  
 BioKIDS - Kids' Inquiry of Diverse Species, Critter Catalog, Acrididae, grasshoppers
Grasshoppers usually have large eyes, and are colored to blend into their environment, usually a combination of brown, gray or green.
Female grasshoppers are larger than the males, and have sharp points at the end of their abdomen that they to help lay eggs underground.
Grasshoppers mainly use sound and sight to communicate, though like animals, scent and touch are important during mating.
www.biokids.umich.edu /critters/information/Acrididae.html   (778 words)

  
 Grasshoppers   (Site not responding. Last check: 2007-10-12)
Redlegged grasshoppers are reddish brown with a yellow underside.
The differential grasshopper is basically brownish yellow or olive green with contrasting fl markings on the hindlegs which distinctively resemble chevrons.
Extensive grasshopper damage to crops, however, is fairly restricted to subhumid, semiarid areas which receive 25.4 to 76.2 cm (about 10 to 30 inches) of rain annually.
ipm.ncsu.edu /AG271/small_grains/grasshoppers.html   (544 words)

  
 Grasshopper - Wikipedia, the free encyclopedia
In grasshoppers, there are ganglia in each segment as well as a larger set in the head, which are considered the brain.
Grasshoppers also have tympanal organs for sound reception; both these and the sensilla are linked to the brain via the neuropile.
In Korea rice field grasshoppers are eaten as a side dish at meals, as a lunch box ingredient, or as a drinking snack.
en.wikipedia.org /wiki/Grasshopper   (1481 words)

  
 Grasshoppers
This short-winged grasshopper is a generalist herbivore, yet it has recently been shown to be predacious as well, pouncing on and eating other grasshoppers and insects.
In some species, such as the pallid-winged grasshopper, populations living on red soil have a predominantly reddish color, those living on white soil are white, and those on dark or fl soil are dark brown or fl.
However, the grasshopper mouse is not deterred by the beetle’s odiferous offerings—it simply grabs the beetle with its paws, forcing the tip of the abdomen into the sand, and eagerly begins to consume the tastier head and thorax, stopping just short of the ill-tasting defensive glands.
www.desertmuseum.org /books/nhsd_grasshoppers.html   (16260 words)

  
 Grasshoppers
In Colorado there are several species of grasshoppers, but 90 percent of damage to plants is caused by grasshoppers in the genus Melanoplus.
Some grasshoppers prefer one food source, such as corn or alfalfa, but when food is scarce they eat a variety of plants, shrubs and trees.
Grasshoppers have several natural enemies including birds, rodents, spiders, skunks, several species of flies and horsehair worms.
www.ext.colostate.edu /ptlk/1447.html   (325 words)

  
 Grashoppers Management Guidelines--UC IPM
In late summer and fall, adult female grasshoppers deposit their eggs in soil in undisturbed areas such as grassy foothills, ditchbanks, roadsides, fence rows, pasture areas, and alfalfa fields.
Grasshoppers have chewing mouthparts and remove large sections of leaves and flowers, sometimes devouring entire plants.
Grasshoppers are among the most difficult insect pests to manage in the garden.
www.ipm.ucdavis.edu /PMG/PESTNOTES/pn74103.html   (939 words)

  
 Grasshopper Facts   (Site not responding. Last check: 2007-10-12)
Grasshoppers can be found almost everywhere in the world, except for the colder regions near the North and South poles.
When a grasshopper is picked up, they "spit" a brown liquid which is known by most kids and adults as "tobacco juice".(Maybe they someday hope to join a baseball team).
Grasshoppers will try to escape from their enemies by jumping up and flying away, or by hiding among leaves or the grass.
www.ivyhall.district96.k12.il.us /4th/kkhp/1insects/grshprfax.html   (469 words)

  
 Grasshoppers
Grasshopper abundance in all kinds of grasslands means they are an important factor in the ecological equation.
The clearwinged grasshopper (Camnula pellucida), a pest species from the northern Great Plains that greatly damages crops in the northern United States and western Canada, is now extremely abundant in overgrazed mountain meadows in the western states and is a good indicator of meadow degradation there.
Within their limited ranges on mountains, the grasshopper species are further limited by environmental disturbance.
biology.usgs.gov /s+t/frame/f074.htm   (1561 words)

  
 Grasshoppers   (Site not responding. Last check: 2007-10-12)
Extensive grasshopper damage, however, is confined primarily to subhumid, semiarid areas of the country from Montana and Minnesota southward into New Mexico and Texas.
Swarms of grasshoppers usually adopt a specific area as their breeding ground and lay all eggs in that vicinity.
Although grasshopper populations occur annually in North Carolina forages, infestations are not usually large enough to warrant control.
ipm.ncsu.edu /AG271/forages/grasshoppers.html   (615 words)

  
 L-5201 Grasshoppers and their Control
Grasshoppers are among the most widespread and damaging pests in Texas.
Grasshopper eggs are laid 1/2 to 2 inches beneath the soil surface in pod-like structures.
The grasshopper grasps the plant in a death embrace with front and middle legs while the hind legs are extended.
insects.tamu.edu /extension/bulletins/l-5201.html   (1399 words)

  
 American grasshopper - Schistocerca americana (Drury)   (Site not responding. Last check: 2007-10-12)
The American grasshopper has two generations a year and overwinters in the adult stage, unlike most grasshoppers whose eggs survive the winter.
The plants are damaged by the grasshopper gnawing on the leaves.
These grasshoppers have been known to affect crop plants that are near the boundaries of the pine farms.
creatures.ifas.ufl.edu /field/amhopper.htm   (1127 words)

  
 IPM : Field Crops : Grasshoppers
Grasshoppers feed on nearly all cultivated and wild plants.
Grasshoppers are chewing insects that feed from the outer edges of leaves inward.
Even light infestations of 6 or 7 grasshoppers per square yard in a 10-acre hay field will eat as much hay as a cow; 17 hoppers per square yard in a 40-acre hay field will eat a ton of hay a day.
www.ipm.uiuc.edu /fieldcrops/insects/grasshoppers/index.html   (580 words)

  
 What do Grasshoppers Eat?
Grasshoppers are members of the biological order known as Orthoptera.
In fact, swarms of grasshoppers sometimes feed on farmers' crops, costing the farmers thousands of dollars.
Believe it or not, some people eat grasshoppers, which are high in protein and low in fat.
www.discoverymagazine.com /digger/d00dd/d0012dd.html   (191 words)

  
 Grasshopper Information
Grasshoppers are around in the spring and summer, but are most noticeable in the autumn.
Grasshoppers are perceptive and can sense you when you are several feet away.
It is also possible to collect grasshoppers by very slowly moving a glass or plastic vial towards the grasshopper's head and they will jump into it.
insected.arizona.edu /ghopperinfo.htm   (428 words)

  
 Grasshoppers
Grasshoppers tend to prefer to lay their eggs in untilled soil, such as roadsides and ditches.
Scouting for grasshoppers should start early in the growing season (late April, early May), because early detection is often instrumental in control.
Thresholds based on grasshopper populations can be estimated by scouting the field (see Scouting) and treatment decisions made according to Table 1.
www.soybeans.umn.edu /crop/insects/grasshoppers.htm   (247 words)

  
 Grasshoppers
The impact of grasshoppers on the tallgrass prairie ecosystem and their great abundance, have made them an important
More than 60 species of grasshoppers are known to occur in the Flint Hills.
Very little evidence of damage from grasshoppers' grazing is usually seen in the prairie, unlike the effect grasshoppers may have on man's crops and pastures.
www.konza.ksu.edu /keep/grasshoppers.htm   (414 words)

  
 Grasshoppers   (Site not responding. Last check: 2007-10-12)
The grasshoppers were so hungry they were eating human clothing, hair and skin.
In disgust, they painted pictures of grasshoppers on the side of their wagons to show everyone why they were leaving.
It is not fully known why the grasshoppers should have chosen to swarm in such great numbers that year.
webpages.marshall.edu /~irby1/laura/grasshop.html   (439 words)

  
 Grasshoppers, Crickets and Katydids - Order Orthoptera
Grasshopper is one of the common insect that we can easily find in bush or in garden.
Grasshoppers are common because they eat most kinds of plants.
Grasshopper's hind legs are their icon and this is also the major factor of their survival fitness.
www.geocities.com /brisbane_grasshoppers   (762 words)

  
 CNN.com - Sudan grasshopper swarm 'kills 11' - Nov. 3, 2003
Eleven people died and thousands were taken to hospital with breathing difficulties after a swarm of grasshoppers invaded a town in central Sudan, the government-owned Al-Anbaa newspaper reported on Saturday.
The paper cited health authorities in Wad Medani, capital of the central al-Jezira state, as saying an epidemic of what they considered to be asthma had afflicted 1,685 people since October 22, all of whom had since been cured.
Mogum said the grasshoppers were smaller than the usual species that appear during the rainy season in Sudan and destroy vegetation.
www.cnn.com /2003/WORLD/africa/11/01/sudan.grasshoppers.reut   (282 words)

  
 Forages: Grasshoppers
Grasshoppers overwinter as eggs in the soil, usually in uncultivated fields and pastures.
Grasshoppers prefer to lay eggs in sandy soils with grassy, undisturbed areas.
In alfalfa grown for seed, grasshoppers may become destructive by feeding on blossoms and seed pods.
www.omafra.gov.on.ca /english/crops/pub811/5grshpr.htm   (459 words)

  
 Elementary version for: Grasshopper guide for naturalists, students and growers. Dan Johnson.
The three-banded grasshopper also has blue on the inside of the leg, but it is named for the the three dark bands.
The blue-legged grasshopper and the three-banded grasshopper have a bright blue portion on the inside of the large part of the hind leg, which is called the femur.
Grasshoppers may be killed by disease, and you might find them hanging on plants.
people.uleth.ca /~dan.johnson/htm/dj_gh_guide_k4.htm   (1394 words)

  
 Grasshoppers: Their Biology, Identification and Management: ID TOOLS
Grasshopper species identification is an integral part of any management effort.
A list of the 15 most important grasshopper pest species was assembled by grasshopper researchers at the University of Wyoming, and then divided into pests of rangeland and pests of croplands and disturbed areas.
Most species of grasshoppers are inocuous and it is important to know if a grasshopper population is primarily comprised of pest species.
www.sidney.ars.usda.gov /grasshopper/ID_Tools/index.htm   (1411 words)

  
 What's That Bug: Acrididae, Locusts and Short-Horned Grasshoppers
Also, Grasshoppers are insects with incomplete metamorphosis, and the basic body shape remains unchanged through a series of molts.
We agree with your assessment that this is a Differential Grasshopper, Melanoplus differentialis.
Your bee is a common Honey Bee, Apis mellifera and your grasshopper is a Gray Bird Grasshopper, Schistocerca nitens.
www.whatsthatbug.com /grasshoppers.html   (5827 words)

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