Wieczorek, Karina. 2009. “Description of Sexuales of <i>Sipha (Sipha) littoralis</I> (Walker, 1848) (Aphididae: Chaitophorinae) With Remarks on Its Distribution and Host Plants”. Entomologica Fennica 20 (2):100-104. https://doi.org/10.33338/ef.84467.