Heikinheimo, Osmo. 2001. “<i>Semiaphis nolitangere</i> Aizenberg, 1954 and Differences Between the Genera <i>Semiaphis</i> Van Der Goot, 1913 and <i>Hyadaphis</I> Kirkaldy, 1904”. Entomologica Fennica 12 (1):39-43. https://doi.org/10.33338/ef.84093.