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Species: Aphaenogaster treatae   Forel, 1886 

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Taxonomic History (provided by Barry Bolton, 2020)

Aphaenogaster treatae Forel, 1886b PDF: xl (w.q.m.) U.S.A. Nearctic. Primary type information: Vineland [39°29′N 75°2′W], New Jersey (Mary Treat); CASENT0907701; MHNG AntCat AntWiki

Taxonomic history

Combination in Stenamma (Aphaenogaster): Emery, 1895d PDF: 302.
Combination in Aphaenogaster: Wheeler, 1913d PDF: 114.
Material of the unavailable name Aphaenogaster alabamensis referred here: Creighton, 1950a PDF: 153.
Combination in Aphaenogaster (Attomyrma): Emery, 1921c PDF: 60.

Taxon Page Images:

An Aphaenogaster treatae worker carries an aphid (Dixon Springs, Illinois, USA).
Image copyright Alex Wild.


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: United States
  Biogeographic regions (According to curated Bioregion/Taxon lists):

Distribution Notes:



Sand prairie, sandy old field, or other sandy or other highly-drained, acid soil habitats (loess hills)

Specimen Habitat Summary

Found most commonly in these habitats: 82 times found in deciduous forest, 42 times found in Black Belt Prairie, 14 times found in mixed forest, 9 times found in nest under litter at edge of trail on ridge in mixed mesic forest, 8 times found in pine-oak dune woodland, 8 times found in Black oak dunes, 6 times found in recently burned mature pine forest, 5 times found in sloped hardwood forest by lake, 5 times found in nest in sand/soil near lake at campsite in mixed forest, 5 times found in in & under large fungus in upland hardwood forest, ...

Found most commonly in these microhabitats: 0 times sweet fern, 2 times nest in sand, 2 times in sand, 1 times under bark, in soil, 1 times roots of hemmock, in sand and burnt leaf litter, 1 times floor litter.

Collected most commonly using these methods: 88 times pitfall trap, 65 times general collecting, 16 times bait, 7 times Berlese funnel, 0 times pitfall traps, 1 times pitfall, 2 times sifting litter, 2 times blacklight/sheet, 2 times direct collection, 2 times peanut butter bait, 1 times Berlese, ...

Elevations: collected from 82 - 213 meters, 147 meters average

Type specimens: labeled as “cotype” but not a true type as it is not from the type locality: casent0900414; Lectotype of Aphaenogaster treatae: casent0907701

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