Kozár, F. 1972 Contribution to the study of the scale insect fauna (Homoptera: Coccoidea) of Hungary.. Allattani Közlemények 59: 181-182.

Notes: Physokermes hemicryphus identified and distinguished from P. piceae; Hungarian Picea fauna includes Physokermes piceae, P. hemicryphus, Dynaspidiotus abietis and Paroudablis piceae; P. hemicryphus recorded for first time from Hungary.