Palpada megafemur is a species of flower flies.

Its thorax is black except for the yellow scutellum; the postpronotum is yellowish brown; the mesonotum is yellow pilose; the scutellum is yellow except narrowly black on the base; pleuron is gray pollinose; the calypter, plumula and haltere are orange.

Its coxae and trochanters are black; its femora are black except becoming brownish to orange on the apical 1/4, and shiny except for the mesofemur, which is sparsely gray on its apical 2/3; tibiae are orange; tarsi are orange.

The wings are light brown and microtrichose except for some bare portions.

Its 1st sternum is black; 2nd and 3rd sterna are yellow; 4th sternum is brownish black except for its yellow apical margin.