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Species: Solenopsis molesta   Emery, 1895 

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See Also:

Solenopsis molesta nr., Solenopsis molesta_cf, Solenopsis molesta_nr, Solenopsis molesta castanea, Solenopsis molesta nr., Solenopsis molesta validiuscula

Taxonomic History (provided by Barry Bolton, 2017)

Solenopsis molesta var. validiuscula Emery, 1895d PDF: 293 (q.) U.S.A. Nearctic. AntCat AntWiki

Taxonomic history

Combination in Solenopsis: Mayr, 1863a PDF: 407; in Solenopsis (Diplorhoptrum): Creighton, 1950a PDF: 237.


Nearctic Region: Alabama, Alberta, Arizona, Arkansas, British Columbia, California, Colorado, Georgia, Illinois, Louisiana, Massachusetts, Mississippi, Missouri, Nevada, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, Washington

Distribution Notes:



Ubiquitous, often found in mounds of Formica spp.


The species in California, called by this name, may not be true S. molesta. Snelling's (2001) California list has S. validiuscula Emery, not S. molesta.

Taxonomic Treatment (provided by Plazi)

Specimen Habitat Summary

Found most commonly in these habitats: 1 times found in desert, 19 times found in shrub steppe, 11 times found in oak woodland, 5 times found in pine/oak woodland, 5 times found in grassland, 2 times found in sagebrush, 0 times found in Pinyon-cedar woodland, 0 times found in Shortgrass prairie, 4 times found in road edge in conifer forest, 4 times found in pine/fir woodland, ...

Found most commonly in these microhabitats: 42 times under stone, 2 times ground forager(s), 7 times nest under stone, 9 times under rock, 8 times sifted litter (leaf mold, rotten wood), 7 times sifted litter, 5 times ex sifted litter, 5 times ex sifted leaf litter, 2 times under small rock, 3 times nest under rock, 2 times nest bnth stone, ...

Collected most commonly using these methods: 72 times Search, 1 times Under rock, 19 times hand collecting, 3 times pitfall trap, 5 times Winkler, 5 times Bay Area Ant Survey (BAAS), 2 times hand coll., 0 times Under stone, 1 times Under boulder, 4 times hand collected, 0 times Under dung, ...

Elevations: collected from 5 - 2743 meters, 1216 meters average

Type specimens: Paratype: fmnhins0000118839, fmnhins0000118951; syntype of Solenopsis debilis: casent0902336; syntype of Solenopsis molesta validiuscula: casent0904623

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