"Heterellia petiolata R. D."

A male of Myopa palliceps (Bigot, 1887) . The specimen is well preserved.

The specimen bears the following labels: (1) "M. / petiolata / ɗ / coll. Big." [round, white label]; (2) "Heterellia / petiolata R. D." [light­blue label].

An unpublished manuscript name. It is possible that Robineau­Desvoidy did not intend to publish this as new species but was instead assigning the specimen to his personal concept of Conops petiolata Linnaeus, 1767 . However, this is perhaps unlikely as it would have required a gross error of identification by Robineau­Desvoid, since the latter is accepted to be a species of Physocephala (Thompson 1997) .