Willowsia, Shoebotham, 1917

Zhang, Feng & Chen, Guo-Liang Xu Jian-Xiu, 2007, A new species of Willowsia (Collembola: Entomobryidae) from South China, Zootaxa 1645 (1), pp. 63-68 : 63-64

Key to Chinese species of the genus Willowsia

1. Abd. III dorso-central macrochaetae 1+1 .................................................................................. formosana

- Abd. III dorso-central macrochaetae more than 1+1................................................................................2

2. Abd. IV dorso-central macrochaetae less than 8+8.................................................................................3

- Abd. IV dorso-central macrochaetae more than 8+8................................................................................5

3. Abd. III dorso-central macrochaetae 3+3 ........................................................................... nigromaculata

- Abd. III dorso-central macrochaetae 2+2 ................................................................................................ 3 4. Prelabral setae ciliate .................................................................................................................. jacobsoni

- Prelabral setae smooth ....................................................................................... guangdongensis, sp. nov.

5. Abd. III dorso-central macrochaetae 2+2 ............................................................................. guangxiensis

- Abd. III dorso-central macrochaetae 3+3 .......................................................................................... shiae