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Species: Aphaenogaster picea   (Wheeler, 1908) 

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Current Valid Name:

Taxonomic History (provided by Barry Bolton, 2023)

Stenamma (Aphaenogaster) fulvum var. piceum Wheeler, 1908i PDF: 621 (w.q.m.) U.S.A. (Connecticut). Nearctic. Primary type information: Primary type material: lectotype worker (by designation of Mackay & Mackay, 2017: 358). Primary type locality: lectotype U.S.A.: Connecticut (no collector’s name) (by restriction of Creighton, 1950a PDF: 148). Primary type depository: MSNG. Secondary type information: Secondary type material: 29 paralectotype workers, 4 paralectotype queens, 9 paralectotype males. Secondary type locality: same as for lectotype. Secondary type depository: MSNG. Type notes: Other original syntype localities: Canada: (no further data), U.S.A.: Washington D.C., Pennsylvania, New York, New Jersey (no collectors’ names). AntCat AntWiki HOL

Taxonomic history

Lectotype designation: Mackay & Mackay, 2017: 358.
[First available use of Stenamma fulvum aquia piceum Emery, 1895; unavailable (infrasubspecific) name.]
Subspecies of Aphaenogaster fulva: Buren, 1944a PDF: 284.
Subspecies of Aphaenogaster rudis: Enzmann, 1947b PDF: 150 (in key); Creighton, 1950a PDF: 148; Smith, 1958c PDF: 118; Smith, 1967a PDF: 352; Smith, 1979: 1362.
[Note: Aphaenogaster picea was made available earlier than Aphaenogaster rudis; hence Aphaenogaster picea has priority (Bolton, 1995b: 72).]
Status as species: Bolton, 1995b: 72; Umphrey, 1996 PDF: 558 (in key); Mackay & Mackay, 2002 PDF: 76; Coovert, 2005 PDF: 48; MacGown & Forster, 2005 PDF: 71; Ellison et al., 2012: 230; Mackay & Mackay, 2017: 358 (redescription).

Taxon Page Images:

An Aphaenogaster picea worker in the brood nest with larvae (South Bristol, New York, USA).
Image copyright Alex Wild. // Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Canada, Mexico, United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):
    Nearctic, Neotropical

Distribution Notes:



Mesic forest, oak woodland

Specimen Habitat Summary

Found most commonly in these habitats: 14 times found in mixed hardwood forest, 11 times found in old growth hardwood forest on mountain, 9 times found in in nest under rock in pine/hardwood forest at field edge, 9 times found in old growth hardwood forest, 2 times found in riparian mixed hardwood forest, 2 times found in oak pine forest, 4 times found in hardwood forest, 3 times found in deciduous forest, 2 times found in mixed broadleaf, hemlock woods, 1 times found in 2nd growth broadleaf forest, ...

Found most commonly in these microhabitats: 18 times litter, 3 times sifted leaf litter, 7 times under rock, 1 times nest under flat stone, 2 times under stone, 1 times nest in small rotten stick, 3 times log stage 4, 1 times leaf litter under decaying fungus, 1 times strays, 1 times sifted litter from forest floor, 1 times nests under bark of dead and down tree, ...

Collected most commonly using these methods: 20 times Berlese funnel, 16 times general collecting, 8 times search, 4 times Winkler, 3 times hand collecting, 1 times Berlese, 2 times direct collection, 2 times pitfall|20 hour trap, 2 times 6L sifted litter, extracted in Winkler sack over 24 hours, 1 times 20 hr pitfall trap, 1 times hand picked, ...

Elevations: collected from 40 - 1786 meters, 588 meters average

Collect Date Range: collected between 1933-05-21 00:00:00.0 and 2018-08-06 00:00:00.0

Type specimens:

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