Phenacoccus Cockerell

Moghaddam, Masumeh, 2013, A review of the mealybugs (Hemiptera: Coccoidea: Pseudococcidae, Putoidae and Rhizoecidae) of Iran, with descriptions of four new species and three new records for the Iranian fauna, Zootaxa 3632 (1), pp. 1-107 : 46

Key to species of Phenacoccus Cockerell

1 Multilocular disc pores present on dorsum.................................................................. 2

- Multilocular disc pores absent from dorsum................................................................. 6

2 Dorsal multilocular disc pores numerous, present on head, thorax and across posterior edges of abdominal segments.............................................................................................. hordei (Lindeman)

- Dorsal multilocular disc pores few, on posterior edges of posterior abdominal segments only.......................... 3

3 Circulus present. Some dorsal setae with 1 or 2 trilocular pores next to setal collars................ salviacus Moghaddam

- Circulus absent. Dorsal setae apparently without trilocular pores next to setal collars................................ 4

4 Cerarii present on head................................................................................. 5

- Cerarii absent on head............................................................ arthrophyti Archangelskaya

5 Quinquelocular pores present on venter...................................................... betae Moghaddam

- Quiquelocular pores absent from venter..................................................... pumilus Kiritshenko

6 Dorsal oral collar ducts present........................................................................... 7

- Dorsal oral collar ducts absent.................................................................. solani Ferris

7 Cerarii present medially and submedially on dorsum................................... karkasicus Moghaddam sp. n.

- Cerarii absent medially and submedially from dorsum........................................................ 8

8 Dorsal oral collar ducts present in more or less rows across most segments........................................ 9

- Dorsal oral collar ducts few on posterior abdominal segments only................................ solenopsis Tinsley

9 Circulus numbering 2 or 3.................................................................. aceris (Signoret)

- Circulus numbering 1................................................................................. 10

10 Dorsal oral collar ducts present in 2 or 3 rows.......................................... iranica Moghaddam sp. n.

- Dorsal oral collar ducts present in 1 row.................................................. perillustris Borchsenius