Description of Plum Scale Immatures Stages (Sphaerolecanium prunastri (Boyer de Fonscolombe) (Hemiptera: Coccidae)

Species identification of scale insects is usually made during the adult female period. However, early nymphal stages are targeted in control these pests. Plum Lecanium, Sphaerolecanium prunastri (Boyer de Fonscolombe) (Hemiptera: Coccidae) an economically important pest stone fruits, almonds, and ornamental Prunus species Turkey as well worldwide. The first–instar, second–instar male female, third–instar plum redescribed illustrated. We present diameters, position, distribution, number pors (simple, bilocular, trilocular pores, micro–ducts, tubular ducts, spiracular disc–pores), marginal setae all immature Lecanium that have not been given descriptions from different authors previously. recorded presence heavy rimmed pores males females. An key provided for instars