Introduced Pheidole of the world: taxonomy, biology and distribution

Sarnat, Eli M.; Fischer, Georg; Guénard, Benoit; Economo, Evan P.

doi:10.3897/zookeys.543.6050

Cited by 51 publications

(63 citation statements)

References 118 publications

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“…Each species name is followed by the taxon's currently known Ohio distribution, habitat, known area of origin and brief natural history notes. Precise distributional records of these species for North America and elsewhere can be found in Coovert (2005), Bolton et al (2007), Klotz et al (2008), Wetterer (2008, 2010), Ellison et al (2012, Guénard et al (2012), and Sarnat et al (2015). Arnett (1993), (Fig.…”

Section: Resultsmentioning

confidence: 99%

“…This species can be easily confused with members of the Pheidole punctatissima clade (P. anastasii Emery, 1896; P. punctatissima Mayr, 1870) as well as with members of the Pheidole flavens complex Sarnat et al 2015). In the southeastern United States, where outdoor colonies of this species can be found, it has often been misidentified as Pheidole floridana Emery, 1895.…”

Section: Pheidole Bilimeki Mayr 1870mentioning

confidence: 99%

“…All species included here can be identified using the taxonomic keys in Coovert (2005), Ellison et al (2012), and Sarnat et al (2015). Additionally, representative high resolution photographs of at least the worker's caste of Ohio's non-native species can be found on AntWeb (www.antweb.org), AntWiki (www.antwiki.org) and on Discover Life (www.discoverlife.org).…”

Section: Methodsmentioning

confidence: 99%

“…Longino and Cox (2009) and Sarnat et al (2015) provide the most relevant and up to date treatment of this species and its close relatives. This species can be easily confused with members of the Pheidole punctatissima clade (P. anastasii Emery, 1896; P. punctatissima Mayr, 1870) as well as with members of the Pheidole flavens complex Sarnat et al 2015).…”

Section: Pheidole Bilimeki Mayr 1870mentioning

confidence: 99%

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Exotic ants (Hymenoptera, Formicidae) of Ohio

Ivanov¹

2016

JHR

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The worldwide transfer of plants and animals outside their native ranges is an ever increasing problem for global biodiversity. Ants are no exception and many species have been transported to new locations often with profound negative impacts on local biota. The current study is based on data gathered since the publication of the "Ants of Ohio" in 2005. Here I expand on our knowledge of Ohio's myrmecofauna by contributing new records, new distributional information and natural history notes. The list presented here contains 10 species with origins in a variety of geographic regions, including South America, Europe, Asia, and Indo-Australia. Two distinct groups of exotics, somewhat dissimilar in their geographic origin, occur in Ohio: a) 3 species of temperate Eurasian origin that have established reproducing outdoor populations; and b) 7 tropical tramp species currently confined to man-made structures. Only Nylanderia flavipes (Smith, 1874) is currently seen to be of concern although its effects on local ant communities appear to be restricted largely to already disturbed habitats. A systematic sampling of disturbed areas, urban sites, plant nurseries and conservatories, where new arrivals can be expected, would extend and build upon our current knowledge of Ohio's exotic ant fauna.

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Section: Resultsmentioning

confidence: 99%

Section: Pheidole Bilimeki Mayr 1870mentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Pheidole Bilimeki Mayr 1870mentioning

confidence: 99%

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Exotic ants (Hymenoptera, Formicidae) of Ohio

Ivanov¹

2016

JHR

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“…It would be interesting to determine whether or not P. megacephala can tolerate P. navigans. Pheidole navigans, a big-headed ant native to the Neotropics, is known as an exotic in the southeastern US (formerly misidentified as P. moerens; see Sarnat et al 2015). If P. navigans battles with P. megacephala, but not with L. humile, the presence of P. navigans could affect the competitive balance between P. megacephala and L. humile.…”

Section: Discussionmentioning

confidence: 99%

Invasive ants of Bermuda revisited

Wetterer¹

2017

JHR

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For 60+ years, two of the world's most widespread and destructive invasive ant species, the African bigheaded ant (Pheidole megacephala) from tropical Africa and the Argentine ant (Linepithema humile) from subtropical South America, have been engaged in an epic battle on the islands of Bermuda. Both species are completely intolerant of the other and are also well-known for killing off native invertebrates, particularly other ants. Here I surveyed sites across Bermuda in 2016, including resurveys of the locations previously surveyed in 1963, 1966, 1973, 1986, and 2002, to provide an update on this conflict. The status of all other ant species present in the islands, including previous records from literature, is also provided. In addition, I surveyed ants nesting in red mangrove (Rhizophora mangle) trees to evaluate whether this arboreal habitat may serve as a refuge for previously overlooked ant species.In 2016, L. humile occurred at most surveyed sites in Bermuda, including all ten resurveyed sites. Pheidole megacephala was present at only two resurveyed sites, a lower proportion of sites than any of the five earlier surveys. Still, P. megacephala occupied substantial areas, particularly in and around Hamilton, the capital of Bermuda. This survey increased the number of ant species with verified records from Bermuda to 25, including four exotic species recorded for the first time: Cardiocondyla minutior, Pheidole navigans, Strumigenys emmae, and Strumigenys membranifera. I found five ant species nesting in mangroves: L. humile plus four Old World exotics, C. minutior, Cardiocondyla obscurior, Monomorium floricola, and Plagiolepis alluaudi.It appears that L. humile may be better suited to the subtropical climate of Bermuda than P. megacephala, except perhaps in warmer and sunnier habitats, such as plantings along urban streets and in open parks, where P. megacephala may hold the advantage. The dataset on the new ant records from 2016 is provided with the paper.

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Resilience of native ant community against invasion of exotic ants after anthropogenic disturbances of forest habitats

Shimoji

Suwabe

Kikuchi

et al. 2022

Ecology and Evolution

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The positive association between disturbances and biological invasions is a widely observed ecological pattern in the Anthropocene. Such patterns have been hypothesized to be driven by the superior competitive ability of invaders or by modified environments, as well as by the interaction of these factors. An experimental study that tests these hypotheses is usually less feasible, especially in protected nature areas. An alternative approach is to focus on community resilience over time after the anthropogenic disturbance of habitats. Here, we focused on ant communities within a forest to examine their responses after disturbance over time. We selected the Yanbaru region of northern Okinawa Island, which is a biodiversity hotspot in East Asia. We compared ant communities among roadside environments in forests where the road age differed from 5 to 25 years. We also monitored the ant communities before and after disturbance from forest thinning. We found that the species richness and abundance of exotic ants were higher in recently disturbed environments (roadsides of 5-15 years old roads), where the physical environment was warmer and drier. In contrast, the roadsides of 25-year-old roads indicated the potential recovery of the physical environment with cooler and moister conditions, likely owing to regrowth of roadside vegetation. At these sites, there were few exotic ants, except for those immediately adjacent to the road. The population density of the invasive species Technoymex brunneus substantially increased 1-2 years after forest thinning. There was no evidence of the exclusion of native ants by exotic ants that were recorded after disturbance. Our results suggest that local ant communities in the Yanbaru forests have some resilience to disturbance. We suggest that restoration of environmental components is a better strategy for maintaining native ant communities, rather than removing exotic ants after anthropogenic disturbance.

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Introduced Pheidole of the world: taxonomy, biology and distribution

Cited by 51 publications

References 118 publications

Exotic ants (Hymenoptera, Formicidae) of Ohio

Exotic ants (Hymenoptera, Formicidae) of Ohio

Invasive ants of Bermuda revisited

Resilience of native ant community against invasion of exotic ants after anthropogenic disturbances of forest habitats

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