Couri et al. 2009 consider P. angustifrons has been mistakenly recorded in Argentina.
Medical, veterinary or economic impact
Myasis
References
LÖWENBERG-NETO, P. 2008. The structure of the parasite–host interactions between Philornis (Diptera: Muscidae) and neotropical birds. Journal of Tropical Ecology, 24(5), 575-580.
COURI, M. S., ANTONIAZZI, L. R., BELDOMENICO, P., & QUIROGA, M. 2009. Argentine Philornis Meinert species (Diptera: Muscidae) with synonymic notes. Zootaxa, 2261: 52–62