Scymnus auritus is a species of beetle in family Coccinellidae. It is found in the Palearctic. It is a tiny (2mm. -2.5 2mm.) black ladybird associated with Quercus robur woodland.
Biology
In Central Europe it is a mainly found in deciduous forests, groves, and light forests. In spring, the beetles were found on flowering Prunus padus and Crataegus monogyna and later, on oaks and Tilia × europaea The insects feed on aphids on oaks, less frequently on other trees. S. auritus was also reported as a predator of mites occurring on the underside of oak leaves; it also feeds on Phylloxeridae
Distribution
Europe, Cyprus, European Russia, the Caucasus, Siberia, the Russian Far East; Belarus, Ukraine, Moldova, Transcaucasia, Middle Asia, Western Asia, China.