Cutaneous / subcutaneous / soft tissue

Topic Completed: 1 July 2018

Minor changes: 3 March 2020

Copyright: 2018-2020,, Inc.

PubMed Search: Myiasis[TI] pathology full text[sb]

See Also: Botfly, Breast - myiasis

Nat Pernick, M.D.
Page views in 2019: 312
Page views in 2020 to date: 494
Cite this page: Pernick N. Myiasis. website. Accessed August 11th, 2020.
Definition / general
Case reports
Clinical images

Contributed by Bobbi Pritt, M.D. and Dr. Lars Westblade

Furuncular myiasis

Gross images

Contributed by Bobbi Pritt, M.D.

Cordylobia anthropophaga removed from elderly woman

Posterior end of Cordylobia anthropophaga

Posterior spiracles, with
the sinuous slits (arrowhead),
peritreme is not easily
discernible (arrow)

Sheep with wound infected with blow fly larvae (Phormyia regina or Cochliomyia macellaria)

Microscopic (histologic) description
Microscopic (histologic) images

Contributed by Bobbi Pritt, M.D. and Dr. Lars Westblade

Representative sections of skin biopsy show botfly larva


Creepy Dreadful Wonderful Parasites Case

Differential diagnosis
  • Auchmeromyia (Congo floor maggot): doesn't form furuncles (boil-like lesions with a live dipteran maggot within) but stays on the host only for feeding, similar to a bedbug; it has 3 spiracular slits per side, straight, lying horizontally
  • Cordylobia rodhani (Lund fly): has 3 posterior spiracular slits on each side but its slits are more sinuous than Cordylobia anthropophaga
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