Two new species of scale insects (Hemiptera, Coccoidea) from Sardinia (Italy) with a check list of Sardinian Coccoidea

Abstract

Two new species of scale insects collected in Sardinia (Italy) are described and illustrated: Spinococcus giuliae sp. n. (Pseudococcidae) off the roots of Umbilicus rupestris (Crassulaceae) and Micrococcus sardous sp. n. (Micrococcidae) off the root of an undetermined grass (Poaceae) growing near the sea. A n identification key to Micrococcus species and a revised list of the scales presently known in the island are also provided.