Se describen las larvas II, III y el pupario de Compsomyiops fulvicrura (Robineau-Desvoidy, 1830). El material se capturó en Tandil (Buenos Aires, Argentina), durante un experimento de sucesión de fauna sarcosaprófaga. Se aportan nuevos caracteres diagnósticos de C. fulvicrura , Calliphora vicina (Robineau-Desvoidy, 1830), Phaenicia sericata (Meigen, 1826), Cochliomyia macellaria (Fabricius, 1775) y Paralucilia pseudolyrcea (Mello, 1969) que se pueden hallar sobre un cadáver.
The larvae II, III, and the puparium of Compsomyiops fulvicrura (Robineau-Desvoidy, 1830) are described. The material was collected in Tandil ( Buenos Aires , Argentina ), during an experiment on sarcosaprophagous faunal succession. New diagnostic characters of C. fulvicrura, Calliphora vicina (Robineau-Desvoidy, 1830), Phaenicia sericata (Meigen, 1826), Cochliomyia macellaria (Fabricius, 1775), and Paralucilia pseudolyrcea (Mello, 1969) are given that may be found on a corpse.