Crisicoccus

Zhang, Jiang-Tao & Wu, San-An, 2016, A new species in the genus Crisicoccus Ferris (Hemiptera: Coccomorpha: Pseudococcidae), with a key to Chinese species, Zootaxa 4117 (3), pp. 440-450 : 449

Key to adult females of Crisicoccus species known from China

1 Circulus present...................................................................................... 2

- Circulus absent...................................................................................... 8

2 With 16–17 pairs of recognizable cerarii.................................................................. 3

- With 5–10 pairs of recognizable cerarii.................................................................... 4

3 With 17 pairs of cerarii, each usually containing 3–7 conical setae except those on anal lobes with 2 conical setae................................................................................................ wistariae (Green)

- With 16 pairs of cerarii, each containing no more than 2 conical setae; on thorax, conical cerarian setae usually replaced by slender setae........................................................................ matsumotoi (Siraiwa)

4 With 10 pairs of recognizable cerarii................................................... chiponensis (Takahashi)

- With 5–7 pairs of recognizable cerarii.................................................................... 5

5 Translucent pores absent from hind coxa................................................................... 6

- Translucent pores present on hind coxa................................................................... 7

6 Oral collar tubular ducts of 1 size, present only on venter....................................... myrmecophilus Wu

- Oral collar tubular ducts of 2 sizes, present on both dorsum and venter.................................. punicus Wu

7 Large-type oral collar tubular ducts present on margins of dorsum and venter only....................... moricola Tang

- Large-type oral collar tubular ducts present in medial area of both dorsum and venter........ ziziphus Zhang & Wu , sp. nov.

8 Hind coxae with translucent pores; oral collar tubular ducts absent from dorsum........................ pini (Kuwana)

- Hind coxae without translucent pores; oral collar tubular ducts present on dorsum....................... helanensis Wu