Taxonomy: Muscicapa solitaris Statius Muller, 1836, Sumatra.
Forms a superspecies with F. monileger. Has been suggested that race submoniliger may belong with latter or may represent a separate species. Three subspecies recognized.
Subspecies and Distribution:
submoniliger (Hume, 1877) - S Myanmar (Tenasserim) and W Thailand S to N Malay Peninsula; SE Laos and SC Vietnam.
malayana (Sharpe, 1888) - C & S Malay Peninsula and N Sumatra.
solitaris (Statius Muller, 1836) - C & S Sumatra.