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Pheidole
''Pheidole'' () is a genus of ants that belongs to the ant subfamily Myrmicinae. The genus is widespread and ecologically dominant. Many species in the genus first evolved in the Americas, while some, such as ''Pheidole indica'' and '' Pheidole megacephala,'' originated from East Asia and Africa, respectively. These species eventually began spreading across the globe. ''Pheidole megacephala'' is considered a particularly problematic invasive species. Colony structure Most species of ''Pheidole'' are dimorphic, which means that colonies contain two castes of workers, the "minor" workers, and the "major" workers, or "soldiers". The latter generally have much larger heads and mandibles in comparison to their usually fairly modest body size. This caste is also notable due to the presence of wings, found in the queen ants as well as in the males. A colony may contain one or several queens, and also in larger colonies of '' Pheidole morrisi'', alates - virgin winged females and ...
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Pheidole Megacephala
''Pheidole megacephala'' is a species of ant in the subfamily Myrmicinae. It is commonly known as the big-headed ant in the US and the coastal brown ant in Australia. It is a very successful invasive species and is considered a danger to native ants in Australia and other places. It is regarded as one of the world's worst invasive ant species.''Pheidole megacephala''
Global Invasive Species Database, 3 Aug 2011 (archived)


Distribution

''Pheidole megacephala'' was described from a specimen from the island of Mauritius by the Entomology, entomologist Johan Christian Fabricius in 1793, although a 1775 record exists for Egypt, under the name ''Formica edax''. Regardless of its African origin, big-headed ants have since spread to many tropical and subtr ...
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Pheidole Braueri
''Pheidole braueri'' is a species of ant in the subfamily Myrmicinae. Distribution ''Pheidole braueri'' was described from specimens collected by August Bernhard Brauer who collected insects on Mahé and Silhouette islands, so the precise locality of the type series is unknown. However, subsequent collections are only from Silhouette Island. Thus, this species may be restricted to Silhouette Island. Related species Based on similarities in external morphology, especially the head and body of the major worker, ''P. braueri'' seems to belong to a widespread group of morphologically related species. The geographic distribution of this potentially monophyletic species group ranges from the Seychelles in the Southwest Indian Ocean to Borneo and to several smaller islands in Micronesia and Melanesia in the South and West Pacific Ocean. This group contains several species with majors that resemble those of ''P. braueri'' in key characters including head morphology and the shape of the ...
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Pheidole Bicarinata
''Pheidole bicarinata,'' the Common Big-Headed Ant is a species of ant in the genus ''Pheidole''. It is distributed across United States, from Nebraska, Colorado, Texas, Utah and Nevada, east to New Jersey and Florida. It is found in a wide range of habitats. Diet ''Pheidole bicarinata'' are known to eat insects, collect seeds, and consume nectar from extrafloral nectaries. Seeds consumed include the seeds of ''Poa pratensis ''Poa pratensis'', commonly known as Kentucky bluegrass (or blue grass), smooth meadow-grass, or common meadow-grass, is a perennial species of grass native to practically all of Europe, North Asia and the mountains of Algeria, Morocco, and Tuni ...'', '' Taraxanum officinale'', '' Oenothera biennis,'' and more. Development Colonies of ''Pheidole bicarinata'' grow quickly in captivity. They are noted to reach up to 4000 workers but rarely exceeding that number. Pheidole bicarinata has four larval instars. ''References'' ''Exte''rnal links * ...
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Pheidole Purpurea
''Pheidole purpurea'' is a dimorphic species of ant found in Mexico and Central America. The species shows considerable variance in physical characteristics based on location, though some variance exists even within small populations. Some populations display a metallic, purple sheen. Dimorphic subdivision Like many species of the genus ''Pheidole ''Pheidole'' () is a genus of ants that belongs to the ant subfamily Myrmicinae. The genus is widespread and ecologically dominant. Many species in the genus first evolved in the Americas, while some, such as ''Pheidole indica'' and '' Pheidole m ...'', ''P. purpurea'' is dimorphic, with workers visibly differentiated by head size and shape into "minor" and "major" (or soldier) workers. The head of the major worker can be as much as twice as long and more than twice as wide as that of the minor.
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Pheidole Clavata
''Pheidole clavata'' is a species of ant in the genus ''Pheidole ''Pheidole'' () is a genus of ants that belongs to the ant subfamily Myrmicinae. The genus is widespread and ecologically dominant. Many species in the genus first evolved in the Americas, while some, such as ''Pheidole indica'' and '' Pheidole m ...''. ''Pheidole clavata'' inhabits Eastern and Northern Africa. This species of ''Pheidole'', like many others, are dimorphic, which means that a colony may contain one or several queens. Each colony is made up of two castes: the "minor" workers, and the "major" workers, or "soldiers". The majors have large heads that they use as both weapons and tools to cut open large prey for the colony. The latter generally have enormous heads and mandibles in comparison to their usually fairly modest body size. Colony behavior ''Pheidole clavata'' very well-resemble most of their genus, colonies may grow up to 5000 ants that each play a part in helping their colony; tending lar ...
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Pheidole Morrisii
''Pheidole morrisii'' is a species of ant and a higher myrmicine in the family Formicidae. Subspecies These two subspecies belong to the species ''Pheidole morrisii'': * ''Pheidole morrisii impexa'' Wheeler, 1908 * ''Pheidole morrisii morrisii'' Forel, 1886 i c g Data sources: i = ITIS, c = Catalogue of Life, g = GBIF, b = Bugguide.net References Further reading * morrisii Articles created by Qbugbot Insects described in 1886 {{myrmicinae-stub ...
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Pheidole Decepticon
''Pheidole decepticon'' (named after the Decepticons from the toy line Transformers) is a species of ant in the subfamily Myrmicinae. Habitat and distribution ''Pheidole decepticon'' is a relatively widespread megacephala group species on the islands neighboring Madagascar. It occurs on the Comoros ( Anjouan Island), Mayotte, Juan de Nova Island, and on the Cosmoledo Atoll of the Seychelles, which is located about 415 km northeast of Mayotte. Morphologically very similar to '' P. megacephala'' and '' P. megatron'', the three are the only megacephala group species currently encountered on the smaller islands. Other species, such as the previously reported '' P. punctulata'', were not collected recently on any of the islands. On Anjouan Island ''P. decepticon'' occurs together with ''P. megacephala'' and ''P. megatron''. The latter was collected in lowland dry forest, coastal scrub land, and in a coconut plantation, while ''P. decepticon'' was found in rainforest, lowland coa ...
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Pheidole Barreleti
''Pheidole barreleti'' is a species of ant in the subfamily Myrmicinae. It is found in Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, .... References External links * * at antwiki.org'Animaldiversity.orgItis.org
barreleti Hymenoptera of Asia Insects described in 1903 Taxa named ...
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Pheidole Ceylonica
''Pheidole ceylonica'' is a species of ant in the subfamily Myrmicinae. It is found in Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, .... References External links * * at antwiki.org'Animaldiversity.orgItis.org
ceylonica Hymenoptera of Asia Insects described in 1863 {{myrmicinae-stub ...
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