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Float like a Butterfly, Sting like One Too.

Adam D J Ross1, Nathan Bombardier2, Donald C Schuessler3

  • 1Larner College of Medicine at UVM, Burlington, VT, USA.

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|June 1, 2021
PubMed
Summary
This summary is machine-generated.

A butterfly rash, specifically urticaria from the Compton tortoiseshell butterfly (Nymphalis vaualbum), is reported for the first time. This insect-induced skin reaction highlights a new potential cause of allergic reactions.

Keywords:
bite reactionsdermatitis-contactinsect bitepruritusurticaria

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Area of Science:

  • Dermatology
  • Allergology
  • Entomology

Background:

  • Cutaneous reactions to insects are common, but specific reactions to butterflies are not well-documented.
  • Insect-induced dermatoses encompass a range of allergic and irritant responses.
  • Understanding insect allergens is crucial for diagnosing and managing skin conditions.

Observation:

  • A pediatric case of urticaria is presented following direct contact with a Compton tortoiseshell butterfly (Nymphalis vaualbum).
  • The patient developed a localized skin reaction, consistent with urticaria, after modified butterfly hairs embedded in the skin.
  • The reaction presented as localized swelling and redness.

Findings:

  • This case represents a potentially novel cutaneous reaction to the Nymphalis vaualbum butterfly.
  • Histopathological examination revealed embedded modified hairs consistent with butterfly scales/setae.
  • The urticarial rash resolved with standard treatment, including oral and topical steroids and antihistamines.

Implications:

  • This report expands the known spectrum of insect species capable of causing human allergic skin disease.
  • Healthcare providers should consider butterfly contact as a potential etiology for unexplained urticarial rashes.
  • Increased awareness of insect-induced dermatoses is warranted, particularly in cases with unusual insect exposures.