''Megacephala regalis'' is a species of

tiger beetle Tiger beetles are a family of beetles, Cicindelidae, known for their aggressive predatory habits and running speed. The fastest known species of tiger beetle, ''Rivacindela hudsoni'', can run at a speed of , or about 125 body lengths per second. ...

in the subfamily

Cicindelinae Tiger beetles are a family of beetles, Cicindelidae, known for their aggressive predatory habits and running speed. The fastest known species of tiger beetle, ''Rivacindela hudsoni'', can run at a speed of , or about 125 body lengths per second. ...

that was described by Boheman in 1848, and has had many putative subspecies named.Jürgen Wiesner (2021) Checklist of the Tiger Beetles of the World 2nd. Edition.

References

regalis Beetles described in 1848 {{Megacephala-stub