Greeniella Cockerell

Williams, Douglas J. & Miller, Douglass R., 2010, Scale insects (Hemiptera: Sternorrhyncha: Coccoidea) of the Krakatau Islands including species from adjacent Java, Zootaxa 2451, pp. 43-52 : 51-52

Key to species of Greeniella Cockerell (Adult females)

1. Margin of pygidium either without processes or with fewer than 24 processes..................................................... 2

- Margin of pygidium with 24 long, pointed processes ........................................................... ferreae (Rutherford)

2(1) Pygidial processes long and conspicuous, more than 3 times length of lobes........................................................ 3

- Pygidial processes short, either absent or no more than 3 times length of lobes.................................................. 11

3(2) Long processes on pygidium pointed ..................................................................................................................... 4

- Long processes on pygidium fingerlike.................................................................................................................. 9

4(3) Median process with bifid tip, second processes long with divided tips, third processes pointed with single tip ... ................................................................................................................................................. columnifera (Green)

- Not with this combination of characters ................................................................................................................. 5

5(4) Pygidium not forming parallel sided projection at apex......................................................................................... 6

- Pygidium forming long parallel sided projection at apex....................................................... lahoarei (Takahashi)

6(5) Apex of pygidium truncate .................................................................................................................................... 7

- Apex of pygidium not truncate .............................................................................................................................. 8

7(6) Median and second lobes elongate each longer than wide; pygidial processes numbering 5 pairs at most............. .................................................................................................................................................... javanensis (Green)

- Median and second lobes short and pointed, each about as wide as long; pygidial processes numbering 6 pairs or more ............................................................................................................................................. fimbriata (Ferris)

8(6) With second pair of processes bifurcate, third pair trifurcate, fourth pair simple ..................... viridis (Lindinger)

- With second pair of processes trifurcate, third pair with more than 3 projections, fourth pair with 2 or more pro- jections ..................................................................................................................................... dentata (Lindinger)

9(3) Apex of pygidium elongate and projecting; with more than 7 pairs of pygidial processes.... tentaculatus (Green)

- Apex of pygidium if projecting, not elongate; with fewer than 7 pairs of pygidial processes ............................. 10

10(9) Finger-like processes simple apically, without finger-like projections ....................................... cornigera (Green)

- Finger-like processes divided apically, each process with 3 to 5 short finger-like projections ..... ramosa Williams

11(2) Pygidial apex rounded .......................................................................................................................................... 12

- Pygidial apex truncate........................................................................................................................................... 13

12(11) With 3 pairs of lobes, all about same size.................................................... calophylli Williams and Miller , sp. n.

- With 3 pairs of lobes increasing in size anteriorly.......................................................................... mesuae (Green)

13(11) With 6 or 7 long ducts in first interlobular space and 3 or 4 in second interlobular space. capitata Brimblecombe

- With 4 long ducts in each of first and second interlobular spaces........................................ ornata Brimblecombe