Orthezia Bosc d'Antic

Genus ORTHEZIA Bosc d’Antic Orthezia Bosc d’Antic, 1784: 173. Douglasia MacGillivray, 1921: 110–111, 483. Diagnostic characters of the adult female: The genus Orthezia is recognized by having: (i) live adult female entirely covered by white wax plates; and in slide-mounted specimens, (ii) antennae each with 7 or 8 segments, basal 3 segments not conspicuously enlarged; (iii) tibia and tarsus clearly divided; claws usually with denticles; (iv) spines grouped in definite bands and clusters; (v) anal ring with 6 long setae; (vi) thoracic spiracles each without atrial disc pores; and (vii) disc pores of quadrilocular type only. Comments: Worldwide, 23 species are included in Orthezia at present (García Morales et al. 2016); only O. urticae (Linnaeus) is known from Iran (Kaussari 1957).