| first record of the avian ectoparasite philornis downsi dodge & aitken, 1968 (diptera: muscidae) in argentina. | species of philornis meinert, 1890 (diptera, muscidae) are neotropical dipterans that include species with parasitic larvae which feed on nestling birds. to date, all philornis species that have been recorded from argentina have parasitic subcutaneous larvae. here, for the first time for argentina, we report the finding of philornis downsi dodge & aitken, 1968, a fly with a nest-dwelling, semi-haematophagous larva. this record, from the humid chaco ecoregion of argentina in the nest of a saffron ... | 2011 | 21898202 |