Fire Ant Photos
Please attribute all images as follows:
Source: The Journal of Allergy and Clinical Immunology.
For more seasonal allergy visuals, visit the National Allergy Bureau's Plant and Pollen Photo Gallery.
Solenopsis invicta worker ants and
queen. Arranged in a circle are
majors (the largest workers), media
(medium-sized workers) and minors
(the smallest workers). Minors
comprise the majority of worker
ants in a colony. A queen is
displayed to the right.
United States range expansion of
imported fire ants (Solenopsis
invicta), 1918-1999.
(left) Single queen fire ant mound at
street curb.
(right) Fire ant infestation of
electrical wiring.
A. Stinging fire ant.
B. Wheal-and-flare reactions to
fire ant venom, five minutes
after multiple fire ant stings.
C. Sterile pustule 24 hours after
fire ant sting.
D. Cutaneous late-phase allergic reactions 24 hours
after fire ant sting. Excoriated sterile pustule in the center of lesion.