Key to adult females of Ceroputo species

1(0) Claw with 1 denticle only............................................................................ 284

- Claw with 1 large denticle and 4 or 5 smaller denticles …............................ C. chetverikovi (Gavrilov-Zimin)

2(1) Quinquelocular pores absent......................................................................... 285

- Quinquelocular pores present......................................................................... 286

3(2) Dorsal tubular ducts and ventral multilocular disc pores present............................ C. nulliporus (McKenzie)

- Dorsal tubular ducts and ventral multilocular disc pores absent................................. C. graminis (Danzig)

4(2) Ventral multilocular disc pores present.................................................................. 287

- Ventral multilocular disc pores absent................................................... C. mimicus (McKenzie)

5(4) Dorsal tubular ducts absent........................................................................... 288

- Dorsal tubular ducts present.......................................................................... 289

6(5) Ventral tubular ducts numerous, scattered throughout........................................... C. pilosellae Šulc

- Ventral tubular ducts very few, mainly confined to abdominal segments........................... C. vaccinii (Danzig)

7(5) Dorsal multilocular disc pores present; quinquelocular pores present throughout ventral surface........................................................................................... C. liquidambaris Zhang & Watson sp. n.

- Dorsal multilocular disc pores absent; quinquelocular pores present only near mouthparts................ C. pini (Danzig)