(1)
Heikinheimo, O. <i>Semiaphis nolitangere</i> Aizenberg, 1954 and Differences Between the Genera <i>Semiaphis</i> Van Der Goot, 1913 and <i>Hyadaphis</I> Kirkaldy, 1904. Entomol. Fennica 2001, 12, 39-43.