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Topic: Blister Beetle

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	Blister Beetles in Forage Crops
		Blister beetles produce cantharidin, a highly toxic chemical that irritates the gastrointestinal and urinary tracts and may lead to death, especially in horses.
		Blister beetles that exhibit swarming behavior are of greatest concern because of the greater risk of a large number of beetles from the swarm getting trapped in a small amount of hay.
		Blister beetles are especially attracted to alfalfa and weeds (e.g., goldenrod) during bloom.
	www.ext.colostate.edu /pubs/insect/05524.html (0 words)

	blister beetle - HighBeam Encyclopedia
		Blister beetles are common insects found feeding on the flowers and foliage of various plants.
		The larvae are predacious or parasitic, feeding on the eggs of grasshoppers and of bees.
		Blister beetles are classified in the phylum Arthropoda, class Insecta, order Coleoptera, family Meloidae.
	www.encyclopedia.com /doc/1E1-blisterb.html (383 words)

	Blister Beetles
		Blister beetles produce the toxin cantharidin, which at low concentrations causes gastrointestinal and urogential inflammation and possibly death in livestock.
		Blister beetles range from 1/2 - 1 1/4 inches, and have a head that is wider than their thorax, giving the thorax a neck-like appearance.
		Blister beetles are not a significant pest in Minnesota, and treatment usually involves amendments to cultural methods.
	www.mda.state.mn.us /pestsurvey/factsheets/blister.html (823 words)

	Blister beetle - Wikipedia, the free encyclopedia
		Beetles in the Coleoptera family Meloidae are commonly known as blister apples.
		They are known as "blister beetles" because they secrete cantharidin, a poisonous chemical causing blistering of the skin and painful swelling if consumed.
		Blister beetles are hypermetamorphic, going through several larval stages, the first of which is typically a planidium.
	en.wikipedia.org /wiki/Blister_beetle (190 words)

	Urban IPM: Insects: Landscape, Ornamental, and Turfgrass Beetles: Blister Beetles
		Blister beetles, which contain a toxic substance called cantharidin, are found in south-central, southeastern, and the White Mountain regions of Arizona.
		Beetles may invade alfalfa fields at haying time and be inadvertently processed along with the hay.
		In Arizona the blister beetle is commonly found during the early part of the haying season (first and second cuttings).
	ag.arizona.edu /urbanipm/insects/beetles/blisterbeetles.html (604 words)

	Ent-2006 Blister Beetles - Texas Cooperative Extension
		Although some species of blister beetles are considered a beneficial insect because the larvae eat grasshopper eggs, the adults are considered an important pest because, in addition to eating foliage, they cause health problems to livestock when ingested in contaminated hay.
		Blister beetles are found throughout the entire United States; however, heaviest populations occur west of the Mississippi River.
		Blister beetles vary in size and shape but can be recognized by the first portion of the thorax, just behind the head, which is narrower than either the head or first pair of wings.
	citybugs.tamu.edu /FastSheets/Ent-2006.html (1165 words)

	striped blister beetle - Epicauta vittata
		Striped blister beetle is one of the most damaging of the blister beetles to vegetable crops in areas where it occurs.
		blister beetles is offset, at least during periods of relatively low beetle density, by the predatory behavior of blister beetle larvae.
		Although the blister beetles eventually contribute materially to the suppression of grasshopper population outbreaks, the higher numbers of blister beetles often cause greater crop injury during, and immediately after, periods of grasshopper abundance.
	creatures.ifas.ufl.edu /veg/potato/striped_blister_beetle.htm (0 words)

	Blister Beetles
		Blister beetles are infrequent pests of several crops including alfalfa, sweet clover, potatoes, beans, and sugarbeets.
		Since blister beetles are readily attracted to flowering plants, controlling the number of flowering weeds in the field and cutting alfalfa prior to bloom stage will reduce the potential for infestation.
		Blister beetles are gregarious and are often found in high numbers in localized areas of the field.
	www.ag.ndsu.edu /pubs/plantsci/pests/e1002w.htm (0 words)

	G4569 Blister Beetle Management in Alfalfa, MU Extension
		In Missouri, blister beetles are an infrequent pest of alfalfa.
		Symptoms of blister beetle poisoning vary considerably, but may include ulcerations of the mouth, frequent play in water with lips and tongue, colic, pawing, frequent attempts to urinate, stretching, jerking contractions of the diaphragm, diarrhea, discarded intestinal tract lining in the stool and reduced levels of calcium and magnesium in the blood.
		Blister beetles are attracted to flowering weeds and to alfalfa in the bloom stage of development.
	muextension.missouri.edu /explore/agguides/crops/g04569.htm (1380 words)

	Striped blister beetle, MU Extension
		Blister beetles range from 1/2 to 1 inch in length and are readily recognized by their narrow, cylindrical, soft body with a distinct "neck-like appearance." Their colors range from fl to gray to brown, and some species have orange stripes.
		The beetles are attracted to flowering vegetation and frequently feed on foliage, pollen, and nectar of alfalfa, soybean and weed plants.
		Symptoms of blister beetle poisoning may include ulcerations of the mouth, frequent play in water with lips and tongue, colic, pawing, frequent attempts to urinate, stretching, jerking contractions of the diaphragm, diarrhea, discarded intestinal tract lining in the stool and reduced levels of calcium and magnesium in the blood.
	muextension.missouri.edu /explore/wildthing/stripedblisterbeetle.htm (676 words)

	Watch alfalfa for blister beetles \| Integrated Crop Management
		Blister beetles are occasional late-summer problems in Iowa alfalfa fields.
		The beetles produce cantharidin, an irritant that causes painful blistering when the insects are handled.
		Because blister beetle populations are not large until mid- to late summer, set aside first and often second cutting hay for use in feeding horses.
	www.ipm.iastate.edu /ipm/icm/1998/9-14-1998/blisterb.html (616 words)

	Blister beetles
		Blister beetles (Meloidae) of the genus Mylabris are widespread and commonally encountered in South Africa, and are of agricultural and medical importance.
		Blister beetles are large, between 20 – 50 mm in length, and are very conspicuous due to their warning colouration.
		Blister beetles are also found on alfalfa hay fields during the flowering season where they feed on pollen and flowers.
	www.nfi.org.za /coleoptera/Beetles/blister_beetles.htm (875 words)

	Avoid blisters, avoid the ‘Blister Beetle’
		The beetles produce this substance when their body is pressed or squashed, and causes blisters on sensitive areas of skin, such as around the neck and arms.
		Blisters hardly ever occur on hands and fingers since the skin in these areas is thicker and less sensitive to the chemical.
		The adult blister beetle is a pest to plants, since it feeds on pollen and nectar in flowers, thereby reducing the amount of fruit produced by the plant.
	www.caymannetnews.com /2005/05/837/blisterbeetle.shtml (601 words)

	IPM : Field Crops : Blister Beetles (Epicauta spp.)
		Heavy populations of blister beetles in green-chopped forages have rendered the feed unplantable to cattle.
		Blister beetles have an oily substance, cantharidin, in their body fluide that causes large blisters t oform when a beetle is crushed on a person's skin.
		Blister beetles contain an oily, caustic substance in their body fluids called cantharidin that helps protect them from natural enemies.
	www.ipm.uiuc.edu /fieldcrops/insects/blister_beetles (952 words)

	Blister Beetle - Search Results - MSN Encarta
		Blister Beetle, common name for any member of a family of beetles, so called because of the caustic chemical cantharidin that they contain, which...
		Some other species of blister beetles in the Spanishfly genus are pests because they eat crops or their bodies contaminate harvested fodder.
		- beetle that causes blisters: a soft-bodied beetle that secretes for its own defense a substance that raises burning blisters on the skin of vertebrates.
	encarta.msn.com /Blister_Beetle.html (156 words)

	Show Articles (Site not responding. Last check: )
		The blister beetle (Epicauta) is highly toxic to sheep and cattle, but primarily to horses.
		Blister beetles swarm in alfalfa fields and are drawn into bales by accident.
		Cantharidin is the chemical found in blister beetles that causes the damage noticed by the owner and veterinarian.
	www.xcodesign.com /aaep/displayArticles.cfm?ID=254 (528 words)

	Striped blister beetle, MU Extension
		Blister beetles range from 1/2 to 1 inch in length and are readily recognized by their narrow, cylindrical, soft body with a distinct "neck-like appearance." Their colors range from fl to gray to brown, and some species have orange stripes.
		The beetles are attracted to flowering vegetation and frequently feed on foliage, pollen, and nectar of alfalfa, soybean and weed plants.
		Symptoms of blister beetle poisoning may include ulcerations of the mouth, frequent play in water with lips and tongue, colic, pawing, frequent attempts to urinate, stretching, jerking contractions of the diaphragm, diarrhea, discarded intestinal tract lining in the stool and reduced levels of calcium and magnesium in the blood.
	www.outreach.missouri.edu /explore/wildthing/stripedblisterbeetle.htm (0 words)

	Blister beetle
		Description: Blister beetles vary by species in shape, size (3/8 to 1 inch long) and color (solid gray to fl or with paler wing margins, metallic, yellowish striped or spotted).
		Female beetles lay clusters of eggs in the soil.
		Blister beetle species feed on flowers and foliage of a wide variety of crops including alfalfa, ornamental plants, potatoes, soybeans, garden vegetables and other plants.
	insects.tamu.edu /fieldguide/bimg167.html (457 words)

	Black Blister Beetle - Cirrus Digital Imaging
		Blister Beetle adults feed on leaves in the tops of a plant but are especially attracted to flowers where they feed on nectar and pollen.
		Female blister beetles lay clusters of eggs in the soil in late summer.
		Blister beetle populations follow closely the abundance of grasshoppers the year previous.
	www.cirrusimage.com /beetles_blister_Epicauta_pennsylvanica.htm (0 words)

	Blister Beetles in Alfalfa
		Blister beetles are frequently confused with several similar-looking beetles such as tiger beetles, checkered beetles, ground beetles, and darkling beetles (figure 8.L).
		Blister beetle eggs usually are laid in the soil during summer.
		Cantharidin poisoning from ingestion of a "blister beetle." Pediatrics 39: 287-289.
	www.cahe.nmsu.edu /pubs/_circulars/circ536.html (2585 words)

	Blister Beetle - Search Results - MSN Encarta (Site not responding. Last check: )
		Blister Beetle, common name for any member of a family of beetles, so called because the dried bodies of certain species can raise blisters on human...
		Beetle, common name for any member of a large order of insects, the most prominent characteristics of which are the elytra—the hardened, sheath-like...
		- beetle that causes blisters: a soft-bodied beetle that secretes for its own defence a substance that raises burning blisters on the skin of vertebrates.
	uk.encarta.msn.com /Blister_Beetle.html (132 words)

	The Citizen Scientist
		The greatest populations of blister beetles in the United States occur west of the Mississippi River.
		Blister beetles of the Meliodae family vary in size and shape and often can be quite beautiful.
		When the alfalfa is cut, beetles that are feeding on the plants are harvested with the crop and may be caught within the vegetation and be unable to escape.
	www.sas.org /tcs/weeklyIssues_2005/2005-09-23/feature1 (754 words)

	Blister Beetle Management (Site not responding. Last check: )
		The transition into second and third alfalfa cuttings in Oklahoma is the time to think about blister beetles and minimizing their risk.
		The species of blister beetles found in Oklahoma are distributed throughout the United States.
		Blister beetle larvae feed on grasshopper egg pods in the soil.
	alfalfa.okstate.edu /webnews/insect2.htm (304 words)

	Equine Cantharadin Intoxication (Blister Beetle Poisoning)
		Equine cantharadin intoxication, or Blister Beetle Poisoning, needs to be considered as a possibility anytime a horse being fed alfalfa is thought to have colic.
		There are over 200 species of blister beetles in the United States.
		This compound itself is odorless and colorless so we must rely on visual detection of blister beetles or part of beetles in alfalfa hay as the method of detection.
	evrp.lsu.edu /healthtips/canthardin.htm (1028 words)

	Blister Beetle Poisoning
		Clinical signs that were reported by the owner and submitting veterinarian were typical of blister beetle poisoning and included: depression, shaking, refusal to eat, “toxic” mucous membranes, diarrhea, colic with sweating, and immersion of the muzzle and playing with the water as though the horses were attempting to flush their mouths.
		Poisoning is associated with the consumption of alfalfa hay contaminated by blister beetles (Epicauta sp.).
		A diagnosis of blister beetle poisoning is suggested by (1) compatible clinical signs and a history of alfalfa hay consumption and (2) finding blister beetles in the hay or in the bottom of the feed bunk.
	microvet.arizona.edu /AzVDL/infoAlerts/blisterBeetle.html (0 words)

	NU IANR News: Increased Blister Beetle Numbers Could Spell Trouble for Horses (Aug-20-02)
		Since blister beetle larvae feed on grasshopper eggs, this summer's grasshopper invasion may be causing blister beetle populations to reach toxic levels in alfalfa through mid-September, said John Campbell, entomologist at NU's West Central Research and Extension Center at North Platte.
		Blister beetles feed on alfalfa leaves and flowers and occasionally feed on soybeans, goldenrod and musk thistle, Campbell said.
		Blister beetles produce a chemical — cantharidin — to which horses are especially susceptible.
	ianrnews.unl.edu /static/0208201.shtml (661 words)

	Blister Beetles of Montana, from the Montana State University Extension Service (Site not responding. Last check: )
		Blister beetles are documented leaf-feeding pests of potatoes, sugarbeets, soybeans and alfalfa.
		The primary concern with blister beetles in alfalfa is the potential of contaminating forage with the toxin, cantharidin.
		The blister beetle adult is distinguished by the long cylindrical soft body, with the tip of the abdomen extending beyond the end of the wing covers (elytra), chewing mouthparts, and a thorax (neck) narrower than both the head and the abdomen (Fig 1).
	www.montana.edu /wwwpb/pubs/mt200209.html (1994 words)

	Blistery Biological Control
		Blister Beetles are both beneficial and harmful, as larvae help to control bees and grasshoppers but the adults will destroy crops.
		Blister Beetle mothers lay their eggs on the ground close to that of a Solitary Bee's nest, and the larvae are very fast moving critters(strikingly similar to that of lice).
		When the beetle larvae emerge, they either find their own way down into the bee's nest or they attach themselves to a bee and are flown into the nest.
	www.suite101.com /article.cfm/environmental_ethics/46256 (615 words)

	Epicauta pestifera "Margined Blister Beetle" (Site not responding. Last check: )
		The margined blister beetle, Epicauta pestifera, is in the order Coleoptera (beetles), and in the blister beetle family, Meloidae.
		First, these blister beetles eat the leaves of a wide range of agricultural crops including alfalfa, clover, soybean, potato, tomato, cotton, and melon in addition to some ornamental plants.
		The beetles produce cantharidin, which is a toxin that causes inflammation in the gastrointestinal system.
	entweb.clemson.edu /museum/beetles/local/btle42.htm (405 words)

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