Fire ants Solenopsis invicta for the initiated are called "fire ants" because they're red and they sting.    From Wordnik.com.  [The fire ants are coming] Reference

You'll find that the common red fire ants Solenopsis invicta were very active and interested in the book, attacking it en masse.    From Wordnik.com.  [John wins a button] Reference

Among these taxa, Solenopsis invicta is older and basal and.    From Wordnik.com.  [Myrmecos Blog] Reference

Solenopsis invicta closer to wasps than Amblyopone australis.    From Wordnik.com.  [Myrmecos Blog] Reference

Solenopsis invicta and Amblyopone australis cannot both be ancestral to other ants.    From Wordnik.com.  [Myrmecos Blog] Reference

A small stinging black ant (Solenopsis sp.), that was a great plague in the houses, was also fortunately scarce.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Hybrid fire ants arising from the miscegenation of Solenopsis invicta and S. richteri, which two still exist as thriving species in their own right.    From Wordnik.com.  [Myrmecos Blog] Reference

My pineapples were greatly subject to the attacks of a small, soft-bodied, brown coccus, that was always guarded by a little, black, stinging ant (Solenopsis).    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Hot off the blog: Battle Snail versus Other EIS Procambarus clarkii, Red Swamp or Red imported fire ants attacking a clutch Louisiana crayfish Solenopsis invicta.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Take the simplified cladogram above in which Solenopsis invicta is the sole sister group to the amblyoponines and everything still holds of course: black is low queen-worker dimorphism, blue is high queen-worker dimorphism and red is the appearance of worker polymorphism nested within black (as opposed to blue, where it commonly occurs).    From Wordnik.com.  [Myrmecos Blog] Reference

Fire ant (Solenopsis invicta).    From Wordnik.com.  [Invasion fact sheet] Reference

Solenopsis catusianis.    From Wordnik.com.  [The Moses Expedition] Reference

Solenopsis invicta fi re ant Workers Queen.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Solenopsis invicta fi re ants are a big problem!.    From Wordnik.com.  [Recently Uploaded Slideshows] Reference

Solenopsis sp.    From Wordnik.com.  [The Naturalist in Nicaragua] Reference

Solenopsis invicta Buren.    From Wordnik.com.  [Citizendium, the Citizens' Compendium - Recent changes [en]] Reference

Solenopsis invicta, "invicta" meaning "invincible".    From Wordnik.com.  [Books news, reviews and author interviews | guardian.co.uk] Reference