Photos & Graphics: Fire Ants

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.

 

 

Fire Ants 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.

 

 

 

Fire Ants United States range expansion of
 imported fire ants (Solenopsis
 invicta), 1918-1999.

 

 

 

 

 

 Fire Ants (left) Single queen fire ant mound at
  street curb.

  (right) Fire ant infestation of
  electrical wiring.

 

 

 

 

 Fire AntsA. 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.

 

 

 

<back>

Close-up of pine tree branches in Winter Close-up of pine tree branches in Winter