Par Jean-Luc Renneson avec la collaboration de Nico Schneider et Leopodo Castro:
Symmorphus connexus (Curtis, 1826)
Synonymme : Odynerus bifasciatus Saussure, 1855
Distribution de Symmorphus connexus : Great Britain [S.], Finland [S.], Denmark, Germany, Netherlands, Belgium, Eurosiberian France [N.+ C.], central-southern Europe (Austria, Czech Republic, Slovakia), Belarus, Poland, Ukraine, European Russia [C.], mainland Italy [N.], Turkey, Kazakhstan [E.], Kyrgyzstan.