Myzocallis (Lineomyzocallis) walshii, an invasive aphid on Quercus rubra, new to Slovenia.

The aphid Myzocallis (Lineomyzocallis) walshii Monell, 1897 (Sternorrhyncha, Aphididae) has been recorded for the first time in the Slovenian aphidofauna. It was found on the leaves of Quercus rubra L. in August 2010 in a private garden situated in the village Rodica.