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Topic: Yellow crazy ant


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  Yellow crazy ant - Wikipedia, the free encyclopedia
The Yellow Crazy Ant (Anoplolepis gracilipes) is a species of ant introduced accidentally to northern Australia and Christmas Island in the Indian Ocean, becoming a pest in both locations.
The name "Crazy Ant" name derives from the ant's foraging technique, involving fast movements with many changes in direction, which becomes especially frantic when it is disturbed.
Yellow Crazy Ants, from the Australian Department of the Environment and Heritage
en.wikipedia.org /wiki/Yellow_Crazy_Ant   (293 words)

  
 Yellow Crazy Ants
The exotic invasive yellow crazy ant (Anoplolepis gracilipes), was accidentally introduced to Christmas Island between 1915 and 1934, and became widespread throughout the island.
In areas of high ant density, the movement of a land crab disturbs the ants and as a result the ants instinctively spray formic acid as a form of defence.
Baiting ants has been a difficult task due to the selective diets of the ants, the potential for impacts on non-target species, such as robbercrabs, red crabs and reptiles, and the ruggedness of the terrain where crazy ant super-colonies have formed.
www.deh.gov.au /parks/christmas/fauna/crazy.html   (1269 words)

  
 Island Life - Christmas Island - Inhabitants
The crazy ant colonies however have many queens and there is no aggression between worker ants from different nests.
Yellow crazy ants are probably of West African origin and they are now widely distributed in the tropics, especially in East Africa, Asia, and the Pacific.
In the Seychelles, it was reported that "attempts to brush yellow crazy ants off the person" resulted in the release of formic acid, causing an irritation to the skin and often attracting more ants.
www.abc.net.au /nature/island/ep2/locals/3c.htm   (707 words)

  
 Encyclopedia Search
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www.encyclopedian.com /search.php?searWords=Yellow   (511 words)

  
 Encyclopedia: Yellow crazy ant   (Site not responding. Last check: 2007-10-23)
Crazy ant See Talk page for copyright permission details File history Legend: (cur) = this is the current file, (del) = delete this old version, (rev) = revert to this old version.
The ants, one of the most successful groups of insects, are of particular interest because they form advanced colonies, and can constitute up to 15% of the total animal biomass of a tropical rainforest.
The yellow crazy ant is known for it's intelligence and will come if called, responds to LIAM OBRYAN, Who lives in 6 knutsford street, Victoria melbourne, Australia and he is the greatest bloke ever.
www.nationmaster.com /encyclopedia/Yellow-crazy-ant   (890 words)

  
 Dhimurru Ghost Nets
Yellow Crazy Ant is listed as one of the world's worst invasive species because of its dramatic impacts on the environment and agriculture.
Fortunately the eradication programme for Yellow Crazy Ant (Anoplolepis gracilipes) in north east Arnhem Land that began in July is progressing well, so it is time for another update, and to introduce the project personnel.
The staff and vehicles of the Crazy Ant Management Group will be conspicuous in their travels, with a clearly displayed logo of a Yellow Crazy Ant over the Miwatj region on the cars and uniforms.
members.iinet.net.au /~dhimurru/newsCrazyAnt.html   (684 words)

  
 Loss of biodiversity and ecosystem integrity following invasion by the Yellow Crazy Ant (Anoplolepis gracilipes) on ...
Crazy Ants have generalized nesting habits, nesting on the ground in soil, in and below woody debris, below rocks, at the base of trees, underneath leaf litter on the forest floor, and in animal burrows (e.g.
Crazy Ants are generalist predators as well as competitiors that directly impact on species, and their introduction to an area has general implications for food web structure, and specific implications for a wide variety of endemic invertebrate and vertebrate species.
Crazy Ants are reported to forage on sandy beaches on Christmas Island, in Micronesia, and in the Seychelles (Townes 1946; Feare 1998; unpublished observations).
www.deh.gov.au /biodiversity/threatened/ktp/christmas-island-crazy-ants.html   (11476 words)

  
 2004 Media Releases - News and Events - Marketing and Communications
A major factor was that the ants were destroying the island's massive population of red land crabs.
Yellow crazy ants squirt fine jets of formic acid to subdue their prey.
Individual ants can only squirt a tiny amount, but the massed densities of crazy ants in supercolonies were obviously sufficient to kill red crabs, hundreds of times their size.
www.latrobe.edu.au /news/2004/mediarelease_2004-66.php   (903 words)

  
 Savanna Links - Exotic ants threaten Indigenous lands   (Site not responding. Last check: 2007-10-23)
While not all exotic ants are significant pests, some could be described as stereotypical invasive species in that they are highly aggressive and numerous, and have environmental as well as economic impacts.
The demise of rare and localised invertebrate animals due to exotic ant invasion is already evident in northern Australia, particularly in small isolated rainforest patches that are scattered throughout the savanna.
Yellow crazy ants attacking a native green ant.
savanna.ntu.edu.au /publications/savanna_links29/exotic_ants.html   (1430 words)

  
 issg Database: Ecology of Anoplolepis gracilipes
This is the case on Christmas Island, where the yellow crazy ant has recently experienced a population explosion and thrives in (previously) undisturbed native forest habitats (CBD, 2003).
For a summary of the general impacts of invasive ants, such as their affect on mutualistic relations, the competitive pressure they impose on native ants and the effect they may have on vulnerable ecosystems please read this document: invasive ants impacts.
The yellow crazy ant is a scavenger and preys on a variety of litter and canopy invertebrates such as small isopods, myriapods, molluscs, arachnids, land crabs and insects (O’Dowd et al.
www.issg.org /database/species/ecology.asp?si=110&fr=1&sts=sss   (2084 words)

  
 Species of Crazy Ant found at Auckland port
The ants have been intercepted as a direct result of the intensive surveillance programme which commenced earlier this year to ensure that the potentially more dangerous Fire Ants are not present in New Zealand.
These ants are known as Crazy Ants because of their characteristic rapid and erratic movement.
The Yellow Crazy Ant, in particular is a major environmental pest.
www.maf.govt.nz /mafnet/press/190402crazyants.htm   (587 words)

  
 Crazy ant   (Site not responding. Last check: 2007-10-23)
Crazy ants (Anoplolepis gracilipes), also known as yellow crazy ants, are an introduced exotic species native to south west Africa.
The name ‘crazy ant’ is derived from their erratic walking style and frantic movements, especially when disturbed.
The crazy ant is a Class 1 declared pest animal.
dnr.qld.gov.au /pests/pest_animals/declared/crazy_ant.html   (136 words)

  
 The Wilderness Society - Yellow Crazy Ants on Christmas Island
However crazy ants have the ability to form multi-queened "supercolonies", where rather than fight each other, the offspring of different queens cooperate to form infestations.
Crazy ant supercolonies are wreaking havoc on the natural environment across the island.
At supercolony densities crazy ants have the ability to overwhelm and kill the red land crabs, robber crabs, endemic reptiles, and a host of native invertebrates.
www.wilderness.org.au /campaigns/marine/christmas_island/ants_ci   (571 words)

  
 AM Archive - Invasion of the yellow crazy ant
The population of the yellow crazy ant has exploded, and the island's unique fauna is either being driven out or eaten.
LISA STINGEL: The small yellow crazy ant was introduced to Christmas Island in the 1930s, and until 18 months ago it didn't cause too much of a problem.
The ant population is even higher this year, and Max Orchard says a team of scientists has been called in to deal with the emergency.
www.abc.net.au /am/stories/s47539.htm   (351 words)

  
 BBC NEWS | World | Asia-Pacific | Killer ants threaten Australia   (Site not responding. Last check: 2007-10-23)
Described as one of the world's most vicious species of ant, the yellow crazy ant sprays formic acid into the eyes of other animals, leaving them vulnerable to attack and unable to feed themselves.
The ants have already wiped out up to 20 million red crabs, as well as birds and other animals on Australia's Christmas Island in the Indian Ocean since 1989, and have since spread to 63 locations in the Northern Territory on the mainland.
Originally from India, the crazy ants are believed to have been introduced to Australia about 60 to 70 years ago.
news.bbc.co.uk /1/hi/world/asia-pacific/2807289.stm   (352 words)

  
 apostropher: Empire of the Ants
Several species of exotic ants have shown up on islands off Australia and are threatening to destroy aboriginal communities there, forming enormous and destructive supercolonies.
Biologists have just figured out the simple traffic rules that army ants use to create "multiple freeway-like trails that are up to 20 meters (65 feet) wide and 100 meters (330 feet) long" during their rampages.
For some reason, though, I find that mental picture less disturbing than hundreds of thousands of army ants, which do not build true nests, forming a living nest out of their very bodies.
www.apostropher.com /blog/archives/000808.html   (308 words)

  
 Yellow Crazy Ant: Definition and Links by Encyclopedian.com - All about Yellow Crazy Ant
The Yellow Crazy Ant, Anoplolepis gracilipes is a species of ant which originates from India.
It has been introduced accidentally to northern Australia and Christmas Island in the Indian Ocean, becoming a pest in both locations.
It is estimated that the population of Christmas Island Frigatebird (Fregata andrewsi) will decline by 80% in the next 30 years due to predation of the young by Crazy Ants.
www.encyclopedian.com /ye/Yellow-crazy-ant.html   (162 words)

  
 VUW | SBS Staff   (Site not responding. Last check: 2007-10-23)
I work on invasive ants, and in particular the yellow crazy ant, Anoplolepis gracilipes, on isolated tropical islands.
Of the 11,769 species of ants in the world at present, only 6 species have successfully invaded new habitats (but others are showing potential), where they displace native ants and can often alter whole ecosystems.
Invasive ants also form adventitious mutualisms with honeydew-producing insects (scale insects, aphids and other homopterans) in their introduced locations.
www.sbs.vuw.ac.nz /vuw/content/person.cfm?school=sbs&id=736   (287 words)

  
 Common use Infrastucture   (Site not responding. Last check: 2007-10-23)
Roadkills are a significant source of mortality and the species is also affected by the introduced Yellow Crazy Ant.
Note that all native landbird species are listed as Critically Endangered by Garnett and Crowley (2000) because of the ecological threat posed by the Yellow Crazy Ant.
Yellow Nippers abundant around the blowhole near Ma Chor Nui Nui temple and in parts of open fissures near the coastal cliffs.
www.dotrs.gov.au /terr/ChristmasIsland/appendices/app_b.aspx   (1194 words)

  
 Ant Killer,Ants,Ant control,Fire ants killer,Insecticides, Pesticides
Nine exotic ant species, recently discovered in the Tiwi Islands off northern Australia, represent a major environmental, economic and social threat to Aboriginal communities.
Ginger ants are notorious for their painful sting, which can cause allergic reactions in people.
Another serious pest, the Yellow Crazy ant (Anoplolepis gracilipes), has invaded north-east Arnhem Land in the Northern Territory and has the capacity to spread right across the north to Broome.
www.antbuster.com /ants-articles/exotic-ants-threats.asp   (463 words)

  
 IngentaConnect Impact of the introduced yellow crazy ant Anoplolepis gracilipes ...   (Site not responding. Last check: 2007-10-23)
The introduced yellow crazy ant or long-legged ant Anoplolepis gracilipes was first reported in Seychelles in 1969 and now occurs on at least nine islands in the Central Seychelles.
We describe the yellow crazy ant's effects on vegetation and invertebrate communities on one of these, Bird Island; in 2000, Anoplolepis (first reported in 1991) occurred there at densities at least 80 times higher than on other islands in the Central Seychelles.
Yellow crazy ants on Bird Island also significantly affected invertebrate communities on foliage and on the ground, both in terms of taxonomic composition and the density of specific taxa, apparently causing the local exclusion of some invertebrates.
www.ingentaconnect.com /content/klu/bioc/2003/00000012/00000009/05114955   (270 words)

  
 Yellow crazy ant - Encyclopedia, History, Geography and Biography
The Yellow Crazy Ant (Anoplolepis gracilipes or Laim OBryan) is a species of ant which has been introduced accidentally to northern Australia and Christmas Island in the Indian Ocean, becoming a pest in both locations.
It will overpower sizeable creatures like reptiles and coconut crabs and has killed 10-20 million Christmas Island red crabs.
Yellow crazy ant, External link, Ants and Christmas Island.
www.arikah.net /encyclopedia/Yellow_Crazy_Ant   (233 words)

  
 Invasion of the yellow crazy ant - key threatening process declaration
Recently the Yellow Crazy Ant was detected in surveillance traps at Goodwood Island Wharf on the Clarence River near Yamba, NSW.
Modelling of the potential distribution using climate matching, suggests that the Yellow Crazy Ant is capable of inhabiting most of northern and north-eastern Australia, from the Kimberley through Darwin, Cape York Peninsula, and down the eastern seaboard of Queensland into coastal and inland parts of northern NSW (Merrin and O'Dowd 2004).
The Yellow Crazy Ant is known to kill invertebrates, reptiles, hatchling birds and small mammals.
192.148.120.24 /npws.nsf/Content/yellow_crazy_ant_ktp   (1163 words)

  
 crazy ants, crazy ants control, yellow crazy ants
INTRODUCTION: This ant's name makes it obvious where it came from due to the worker's habit of running haphazardly about a room/building in search of food.
The crazy ant is found all over the United States, but is confined to the indoors in the northern states because it cannot survive the winter outdoors.
Body is dark brown to fl with a gray sheen or luster.
www.killfireants.com /crazy-ant.htm   (310 words)

  
 3rd IUCN World Conservation Congress - News   (Site not responding. Last check: 2007-10-23)
Christmas Island frigatebirds and Abbot’s boobies have suffered the attack of the yellow crazy ants.
The yellow crazy ant is a diminutive insect (4-5 mm long) that has been introduced across the tropics as a by-product of international trade.
The ant has been nominated as one of the 100 of the “world’s worst” invaders by the IUCN Species Survival Commission Invasive Species Specialist Group.
www.iucn.org /congress/news/detail.cfm?idPass=73   (334 words)

  
 Australia Post Stamps -- Christmas Island Birds
Their habitats are threatened by land clearing and by the spread of the Yellow Crazy Ant.
Crazy Ants get their name from the wild way they race around when they are disturbed.
And they are killing many of the native birds and animals that live in all of those habitats.
www.auspost.com.au /philatelic/stamps/index.asp?link_id=2.554   (155 words)

  
 Yellow Crazy Ant : Yellow crazy ant   (Site not responding. Last check: 2007-10-23)
terms defined : Yellow Crazy Ant : Yellow crazy ant
All is still licensed under the GNU FDL.
By the third day she had reviewed all that she had beautiful thing for receiving him with when he should come to her window and with her face close to the pane had watched.
www.termsdefined.net /ye/yellow-crazy-ant.html   (317 words)

  
 Ant Identification - Crazy Ants   (Site not responding. Last check: 2007-10-23)
Crazy ants get their name because they seem to run erratically with no apparent sense of direction.
Crazy ants often nest in soil of potted tropical plants.
The ants on this site are found in Nebraska, you may or may not have these ants in your area.
lancaster.unl.edu /enviro/ants/CrazyAnts.htm   (265 words)

  
 Researchers in or associated with the Lester lab   (Site not responding. Last check: 2007-10-23)
Simultaneously, she is leading a program on yellow crazy ant control in the Pacific.
This small ant species has not been recorded as problematic elsewhere, but seems to be a dominant ant in Tauranga.
Alice is made her first trip to the Tokelau Atolls, examining the lethal and sublethal effects of the yellow crazy ant (Anoplolepis gracilipes) on hermit crabs.
www.vuw.ac.nz /staff/phil_lester/Researchers.htm   (337 words)

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