ΔE 15.5, loose: different enough that you should pick on purpose. March of the Fire Ants is noticeably lighter, more muted, warmer than Dryad Brown.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). March of the Fire Ants is noticeably lighter, more muted, warmer than Dryad Brown.
The same difference applies the other way round: Dryad Brown is noticeably darker, more saturated, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Dryad Brown on the colour wheel See March of the Fire Ants on the colour wheel
All matches: Dryad Brown equivalents · March of the Fire Ants equivalents