Tehran University of Medical Sciences Journal of Arthropod-Borne Diseases 2322-1984 14 4 2021 01 03 1400 1400 Teimour Hazratian Department of Parasitology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran Afsaneh Dolatkhah Department of Parasitology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran Behrooz Naghili Hokmabadi Department of Infectious and Tropical Diseases, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran Elaheh Hazratian Faculty of Medicine, Yuzuncu Yil University, Van, Turkey Azim Paksa Department of Medical Entomology and Vector Control, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran 2021 01 03 Background: Myiasis is a disease caused by infections of tissues and organs of human and vertebrates body by the lar­vae of real flies of Diptera which feeding on living or dead tissues of host for a period of time. This report aims to pre­sent a case of urogenital myiasis caused by the larvae of Psychoda albipennis (Diptera: Psychodidae) for the first time in Iran. Methods: In this case report, we present a case of a 9-year-old girl with urogenital myiasis caused by P. albipennis. She presented to Sina Hospital with dysuria and claimed that he had observed several black-grayish colored mobile particles in his urine at different times. The patient lived in Miandoab, West Azerbaijan Province, Iran. Results: In the hospital her urine sample, containing 3 larvae was referred to Entomology lab of the Medical Faculty for identification and characterization. According to morphological factors, the larvae were identified to approximate size of 8–10mm long, white to gray color, thorns and pale scales and a siphon at the posterior end of the body. By compar­ing the larvae with the reported ones from Turkey, diagnosis was confirmed. Conclusions: According to our survey, this is the first observation of urogenital myiasis in East Azerbaijan Province, Iran. Our case illustrates urogenital myiasis caused by P. albipennis in Iran. Urogenital myiasis has not been previously reported from Iran as a human disease. https://jad.tums.ac.ir/index.php/jad/article/view/1400 https://jad.tums.ac.ir/index.php/jad/article/download/1400/521