The box tree moth Cydalima perspectalis was introduced in Europe more than 10 years ago. Several years later, the species was found in 16 countries of Europe, expanding its areal northward and eastward. In 2014 C. perspectalis was recorded in Ukraine at the first time. However, the data on its invasion in Ukraine are incomplete. The current study summarizes distribution of C. perspectalis in Ukraine, obtaining the available data from our original studies, published scientific papers and citizen science. We found the presence of the box tree moth in 11 regions of Ukraine and show the effectiveness of citizen science in the pest detection.