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Photos & Graphics: Fire Ants
Please attribute all images as follows:
Source: Journal of Allergy and Clinical Immunology.
For more seasonal allergy visuals, visit the National Allergy Bureau's
Plant and Pollen Photo Gallery.
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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. |
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United States range
expansion of imported fire ants (Solenopsis invicta), 1918-1999.
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(left) Single queen
fire ant mound at street curb.
(right) Fire ant infestation of electrical wiring.
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Stinging fire ant.
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Wheal-and-flare reactions to
fire ant venom, five minutes after multiple fire ant stings.
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Sterile pustule 24 hours after
fire ant sting.
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Cutaneous late-phase allergic
reactions 24 hours after fire ant sting. Excoriated sterile
pustule in the center of lesion.
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