Rhizococcus, Signoret, 1875

Moghaddam, Masumeh, 2019, Two new scale insect species (Hemiptera: Coccomorpha: Acanthococcidae and Pseudococcidae) and a new country record from protected areas in Iran, Zootaxa 4706 (3), pp. 451-460 : 457

Key to species of Rhizococcus in Iran

1 Anal lobe setae hair-like................................................................ borchsenii (Danzig)

- Anal lobe setae enlarged, spine-like...................................................................... 2

2(1) Dorsal macroducts present in 3 sizes.................................................... avicennae Moghaddam

- Dorsal macroducts present in 1 size...................................................................... 3

3(2) Abdominal segment VII with 3 marginal enlarged setae on each side............................................ 4

- Abdominal segment VII with no more than 2 marginal enlarged setae on each side................................. 5

4(3) Dorsum with enlarged setae of various sizes, mostly only 2/3 size of marginal enlarged setae; with small setae scattered all over dorsal surface................................................................... saxidesertus (Borchsenius)

- Dorsum with most enlarged setae almost same size or only slightly shorter than marginal enlarged setae..................................................................................................... reynei (Schmutterer)

5(3) Dorsal and marginal enlarged setae almost blunt. Frontal lobes present by antennal bases............... istresianus Goux

- Dorsal and marginal enlarged setae all sharply pointed. Frontal lobe absent from by antennal bases........ asperulae sp. n.