( To start the research is better to firstly select the Database page )

Please select the definition more corresponding to the sample in examination.

- 3 or more cerci (posterior appendages) -

- Small body, only 2 cerci -

- 2 cerci, long hind legs with wide femurs -

- 2 cerci, legs are spiny -

- 2 little cerci, long thin body -

- 2 cerci like pincers -

- 2 cerci, forked spring -

- 2 very short cerci, long proboscis -

- Constriction between the torax and the abdomen -

- 2 very short cerci, narrow thorax -