To add a species as a moderator go to 'Species' at the top bar on the home page. Click on it then in the dropdown menu click on 'Insects' to open up the illusttrated menu of all species on CNM. On the RHS (in this case) drill down to 'Moths' then select the family Geometridae. You should find the Ádd Species' button on the top RHS of the page which when clicked on provides you with the blank form to add a speciesa at this level in the taxonomy. Fill it out and hit the submit button and the new species will be added to Geometridae.