Related Experiment Video
Updated: Dec 24, 2025

Exploring Life History Choices: Using Temperature and Substrate Type as Interacting Factors for Blowfly Larval and Female Preferences
Published on: November 17, 2023
[Myiasis by Cochliomyia hominivorax in Argentina]
Claudia I Menghi1, Liliana E Arias1, Claudia L Gatta1
1Cátedra Microbiología Clínica, Departamento de Bioquímica Clínica, Facultad de Farmacia y Bioquímica, Hospital de Clínicas, Universidad de Buenos Aires, Argentina.
Abstract:
Miasis is the infestation of man and animals by larvae of flies belonging to the order Diptera, suborder Cyclorrapha. Eighty percent of miasis in Argentina is caused by Cochliomyia hominivorax, a species that induces pronounced tissue invasion and destruction, and results in severe clinical forms. Because of the aggressiveness of its larvae, it is important to reach a specific etiological diagnosis. We present four cases of miasis by C. hominivorax in two patients living in the city of Buenos Aires but working in a rural area and two patients living in the Greater Buenos Aires.
Insights
Miasis, caused by fly larvae, can lead to severe tissue destruction. This study highlights four cases of Cochliomyia hominivorax myiasis in the Buenos Aires area, emphasizing the need for accurate diagnosis.
Area of Science:
- Medical Entomology
- Parasitology
- Clinical Medicine
Background:
- Myiasis is a parasitic infestation caused by fly larvae (Diptera, Cyclorrapha).
- Cochliomyia hominivorax is responsible for 80% of myiasis cases in Argentina, known for aggressive tissue invasion.
- Severe clinical manifestations necessitate specific etiological diagnosis.
Purpose of the Study:
- To report four cases of myiasis caused by Cochliomyia hominivorax.
- To highlight the clinical presentation and diagnosis of this parasitic infestation.
- To underscore the importance of identifying the specific causative agent in myiasis cases.
Main Methods:
- Case series presentation.
- Clinical data collection and analysis.
- Identification of the causative agent (Cochliomyia hominivorax).
Main Results:
- Four cases of human myiasis caused by Cochliomyia hominivorax were identified.
- Patients presented with severe clinical forms due to larval aggressiveness.
- Cases occurred in individuals from both urban and peri-urban areas of Buenos Aires.
Conclusions:
- Cochliomyia hominivorax is a significant cause of severe myiasis in the studied region.
- Prompt and accurate etiological diagnosis is crucial for effective management.
- Increased awareness of myiasis, even in urban-associated settings, is warranted.

