O. Heikinheimo, Semiaphis nolitangere Aizenberg, 1954 and differences between the genera Semiaphis van der Goot, 1913 and Hyadaphis Kirkaldy, 1904, ENTOMOL FEN, 12(1), 2001, pp. 39-43
The life cycle and distribution of Semiaphis nolitangere Aizenberg are clea
red, the alate sexupara and the sexual morphs are described, and the differ
ences between the genera Hyadaphis Kirkaldy, 1904 and Semiaphis van der Goo
t, 1913 are discussed.