Original and used names: Syntemna morosa Winnertz, 1864:768.
Swedish sources: Syntemna morosa: Plassmann 1980b:179 [LU]; Chandler (2005) [Sweden]; Syntemna morosa: Kjærandsen et al. 2007:49 [Boreal — •LU•].
World distribution: European; recorded from Sweden, Finland Germany, the Czech Republic, Slovakia, Austria and Italy. Possibly boreal–mountainous.
Remarks: E. Plassmann’s record from LU, Sweden was not mentioned by Polevoi (2003a), whereas a specimen from VB, Ängerån deposited at ZSMC was corrected to Syntemna nitidula.