Genus ICERYA Signoret

Icerya Signoret, 1876a: 351 . Type species: Coccus sacchari Guérin - Meneville 1867 by monotypy. Newsteadiella MacGillivray, 1921: 75 . Auloicerya Morrison, H. in Morrison & Morrison, 1923: 22. Pericerya Silvestri, 1939: 648 .

Diagnostic characters of the adult female: Slide-mounted specimens of Icerya are recognized by: (i) body elongate, elliptical or subcircular; (ii) hair-like setae scattered over entire surface, longest medially and marginally, sometimes forming marginal clusters; (iii) labium 3 segmented; (iv) antennae usually each with 9–11 segments; (v) legs well developed; (vi) abdominal spiracles numbering 2 or 3 pairs, situated on abdominal segments VII–VIII or VI–VIII; (vii) anal opening simple, opening into a short anal tube with a sclerotized ring at the inner end; (viii) cicatrices circular to elliptical, numbering 1 or 3, usually situated posterior to vulva; (ix) marsupium absent or, if present, marsupial band forming a complete circle of setae and multilocular disc-pores each with a bilocular center; (x) ovisac band absent or present; (xi) in life, producing an ovisac at posterior end of body, secreted by ovisac band of pores.

Comments: Worldwide, 38 species are included in Icerya (García Morales et al. 2016); I. purchasi and I. aegyptiaca have been recorded from Iran (Moghaddam et al. 2015).

Key to species of Icerya in Iran, based on slide-mounted adult females.

1(0) Setae on abdominal margin black. Abdominal spiracles numbering 2 pairs. With 3 cicatrices. Open-center pores present, each with 1 notch in inner margin of ring........................................................ purchasi Maskell

- Setae on abdominal margin staining red.Abdominal spiracles numbering 3 pairs. With only 1 cicatrix. Open-center pores absent................................................................................... aegyptiaca (Douglas)