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Species: Solenopsis molesta   (Say, 1836) 

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See Also:

Solenopsis molesta nr., Solenopsis molesta_cf, Solenopsis molesta_nr

Taxonomic History (provided by Barry Bolton, 2019)

Myrmica molesta Say, 1836 PDF: 293 (q.) U.S.A. (Indiana). Nearctic. AntCat AntWiki

Taxonomic history

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


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

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: 23 times found in oak woodland, 1 times found in desert, 19 times found in shrub steppe, 14 times found in on swimming pool surface, 5 times found in pine/oak woodland, 8 times found in grassland, 7 times found in sagebrush, 8 times found in Pinyon-cedar woodland, 6 times found in chaparral, 7 times found in Shortgrass prairie, ...

Found most commonly in these microhabitats: 65 times under stone, 48 times under rock, 2 times ground forager(s), 7 times nest under stone, 10 times sifted litter (leaf mold, rotten wood), 7 times ex sifted litter, 7 times sifted litter, 3 times nest in soil, 5 times ex sifted leaf litter, 2 times under small rock, 5 times under boulder, ...

Collected most commonly using these methods: 78 times Search, 20 times hand collecting, 14 times Winkler, 4 times pitfall trap, 5 times Bay Area Ant Survey (BAAS), 6 times pitfall, 6 times Davis sifter, 6 times direct collection, 2 times hand coll., 4 times 6L sifted litter, extracted in Winkler sack over 48 hours, 4 times hand collected, ...

Elevations: collected from 5 - 2743 meters, 1166 meters average

Type specimens: syntype of Solenopsis debilis: casent0902336; syntype of Solenopsis molesta validiuscula: casent0904623

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