Cryptostigma Ferris, 1922

Kondo, Takumasa, 2010, Taxonomic revision of the myrmecophilous, meliponiphilous and rhizophilous soft scale genus Cryptostigma Ferris (Hemiptera: Coccoidea: Coccidae) 2709, Zootaxa 2709, pp. 1-72 : 9-10

Key to the adult females of Cryptostigma Ferris

1. Ventral tubular ducts present......................................................................................................................................... 2

- Ventral tubular ducts absent ......................................................................................................................................... 3

2. With multilocular disc-pores present just posterior to antennae; with 60 or more orbicular pores; associated with ants ............................................................................................................................................................. saundersi Laing

- Without multilocular disc-pores around antennae; with less than 35 orbicular pores; associated with stingless bees .. ............................................................................................................................................ chacoensis Kondo , sp. nov.

3. Margin of dorsal stigmatic sclerotization dentate .................................................................. serratum Kondo , sp. nov.

- Margin of dorsal stigmatic sclerotization smooth, not dentate .....................................................................................4

4. Dorsum with orbicular pores ........................................................................................................................................ 5

- Dorsum without orbicular pores ................................................................................................................................. 10

5. Dorsum with 2 orbicular pores; with multilocular disc-pores present on each side of mouthparts ............................... ...................................................................................................................................................... biorbiculus Morrison

- Dorsum with 3 or more orbicular pores; without multilocular disc-pores around mouthparts ................................... 6

6. Dorsum with a small group of numerous setae present next to each stigmatic sclerotization; dorsal derm becoming tessellated in matured specimens. ......................................................................................... philwardi Kondo , sp. nov.

- Dorsal setae entirely absent; dorsal derm not tessellated in mature specimens............................................................ 7

7. Dorsum with 5 orbicular pores ........................................................................................................ urichi (Cockerell)

- Dorsum with 3 orbicular pores .....................................................................................................................................8

8. Body margin heavily papillated, with very few or no multilocular pores near margin of abdominal apex ................... ............................................................................................................................................... gullanae Kondo , sp. nov.

- Body margin not papillated, with numerous multilocular pores present around submargin of abdomen.................... 9

9. Body about 2 times longer than wide; with 1 stigmatic seta per cleft; associated with ants.......................................... ............................................................................................................................................ jonmartini Kondo , sp. nov. - Body about as long as wide; with 3 stigmatic setae per cleft; associated with stingless bees........................................ ...................................................................................................................................... melissophilum Kondo , sp. nov.

10. Dorsum with sclerotic pores ....................................................................................................................................... 11

- Dorsum without sclerotic pores .................................................................................................................................. 16

11. Sclerotic pores arranged in square- to rectangular-shaped groups; outer ductule of dorsal microducts long and heavily sclerotized, swollen near duct opening ............................................................................. reticulolaminae Morrison

- Sclerotic pores not arranged as above; outer ductule of dorsal microducts long or short, if long, not swollen near duct opening nor heavily sclerotized. ................................................................................................................................. 12

12. Stigmatic sclerotization cone-shaped; dorsal surface of each anal plate with 10–16 setae .... guadua Kondo & Gullan

- Stigmatic sclerotization not cone-shaped; dorsal surface of each anal plate generally with 5 or fewer setae............ 13

13. Tubercle-like preopercular pores present on mid dorsum and around anal plates .......... tuberculosum Kondo , sp. nov.

- Preopercular pores usually absent, if present, not tubercle-like ................................................................................. 14

14. Dorsum with small and subcircular groups of large simple pores next to stigmatic clefts ............................................ ......................................................................................................................................... rhizophilum Kondo , sp. nov.

- Dorsum without small groups of simple pores next to stigmatic clefts...................................................................... 15

15. Venter with simple pores present on thorax ............................................................................ longinoi Kondo , sp. nov.

- Venter without simple pores ............................................................................................................. silveirai (Hempel)

16. Dorsum with clusters of 4–10 small simple pores; apex of some antennal fleshy setae always knobbed ..................... ................................................................................................................................................... inquilinum (Newstead)

- Dorsum without clusters of simple pores; apex of antennal fleshy setae not knobbed, although rarely 1 or 2 branched. ............................................................................................................................ mexicanum Kondo , sp. nov.