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Species: Camponotus pennsylvanicus   (De Geer, 1773) 

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See Also:

Camponotus pennsylvanicus aterrimus, Camponotus pennsylvanicus ferruginea, Camponotus pennsylvanicus ferrugineus, Camponotus pennsylvanicus japonicus, Camponotus pennsylvanicus modoc, Camponotus pennsylvanicus pennsylvanicopubescens, Camponotus pennsylvanicus punctatissimus, Camponotus pennsylvanicus saxatilis, Camponotus pennsylvanicus semipunctatus

Taxonomic History (provided by Barry Bolton, 2017)

Formica pensylvanica De Geer, 1773: 603, pl. 31, figs. 9, 10 (s.w.q.m.) U.S.A. Nearctic. AntCat AntWiki HOL

Taxonomic history

[Spelling justifiably emended to Camponotus pennsylvanica: Buckley, 1866 PDF: 155.].
Combination in Camponotus: Mayr, 1862 PDF: 666; in Camponotus (Camponotus): Forel, 1914a PDF: 266.
Senior synonym of Camponotus semipunctata: Mayr, 1886d PDF: 420; of Camponotus herculeanopennsylvanicus (and its junior synonym Camponotus mahican): Creighton, 1950a PDF: 367.

Taxon Page Images:

The eastern black carpenter ant Camponotus pennsylvanicus (Urbana, Illinois).
Image copyright Alex Wild.


Nearctic Region: Alabama, Arkansas, Florida, Georgia, Illinois, Iowa, Kansas, Louisiana, Maine, Maryland, Massachusetts, Michigan, Mississippi, Missouri, New Jersey, New Mexico, New York, North Carolina, North Dakota, Nova Scotia, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Virginia, Wisconsin
Neotropical Region: Bermuda
Palearctic Region: Crete

Distribution Notes:

NEARCTIC: USA (MA) Southern Canada S. to Gulf Coast States (excluding pennisular Florida) W. to central TX and N. to Dakota


Woodland, forest (including floodplain forest canopy), parks, campuses. Nests in dead wood of living trees. Forages on trees and on ground day and night, more abundantly at night.

Specimen Habitat Summary

Found most commonly in these habitats: 3 times found in mixed hardwood forest, 3 times found in oak area, 2 times found in oak grove, 1 times found in mixed beech buttress log mold & tree hole, 3 times found in riparian mixed hardwood forest, 0 times found in douglas fir forest, 0 times found in Mixed deciduous forest, 0 times found in Beech-maple forest, 0 times found in Black oak dunes, 2 times found in oak woods, ...

Found most commonly in these microhabitats: 3 times strays, 2 times hardwood trees, 1 times nests under bark of dead and down tree, 1 times nest under rock, 1 times stray foragers on oak, 1 times foragers on low foliage, 2 times foragers on ground, camponotus nesting in empty garden pots, Nadkarni house. times 1500, 1 times under log, 1 times strays; Prenolepis nest in soil, 1 times strays at base of tree in yard, ...

Collected most commonly using these methods: 1 times on silver poplar tree (Populus alba), 7 times bait trap, 14 times Search, 7 times hand collecting, 2 times under bark of log, 0 times Log stage 3, 0 times Log stage 4, 0 times Log stage 2, 0 times Log stage 5, 0 times Under log, 1 times bait, ...

Elevations: collected from 5 - 3200 meters, 532 meters average

Type specimens: Paratype: fmnhins0000062518, fmnhins0000062532

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