Current View: Bolton World Catalog
Change View
Cite this page

Citing AntWeb


To cite this page, please use the following:

· For print:      Citation: AntWeb. Version 8.48.2. California Academy of Science, online at Accessed .

· For web:

Species: Solenopsis molesta   (Say, 1836) 

Download Data

See Also:

Solenopsis molesta nr., Solenopsis molesta_cf, Solenopsis molesta_nr

Taxonomic History (provided by Barry Bolton, 2021)

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

Taxonomic history

Combination in Solenopsis: Mayr, 1863a PDF: 407.
Senior synonym of Solenopsis debilis: Emery, 1895d PDF: 277; Emery, 1896g PDF: 85.
Senior synonym of Solenopsis exigua: Emery, 1895d PDF: 277; Emery, 1896g PDF: 85.
Senior synonym of Solenopsis minuta: Emery, 1895d PDF: 277; Emery, 1896g PDF: 85.
// Distribution


  Geographic regions (According to curated Geolocale/Taxon lists):
    Americas: Canada, 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: 26 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, 9 times found in grassland, 9 times found in sagebrush, 8 times found in Pinyon-cedar woodland, 7 times found in sagebrush desert, 7 times found in Shortgrass prairie, ...

Found most commonly in these microhabitats: 79 times under stone, 48 times under rock, 2 times ground forager(s), 13 times sifted litter (leaf mold, rotten wood), 7 times nest under stone, 9 times ex sifted litter, 10 times ex sifted leaf litter, 4 times nest in soil, 7 times sifted litter, 2 times under small rock, 5 times under boulder, ...

Collected most commonly using these methods: 91 times Search, 20 times hand collecting, 15 times Winkler, 5 times pitfall trap, 10 times Davis sifter, 5 times Bay Area Ant Survey (BAAS), 6 times pitfall, 6 times 6L sifted litter, extracted in Winkler sack over 48 hours, 6 times direct collection, 2 times hand coll., 4 times Davis, ...

Elevations: collected from 5 - 2743 meters, 1203 meters average

Collect Date Range: collected between 1935-05-11 and 2020-07-03

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

See something amiss? Send us an email.